V4L/DVB: c-qcam: coding style cleanup
Clean up the coding style before we convert this driver to V4L2. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
committed by
Mauro Carvalho Chehab
parent
380de498e2
commit
51224aa436
@@ -79,17 +79,17 @@ static inline void qcam_set_ack(struct qcam_device *qcam, unsigned int i)
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{
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{
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/* note: the QC specs refer to the PCAck pin by voltage, not
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/* note: the QC specs refer to the PCAck pin by voltage, not
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software level. PC ports have builtin inverters. */
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software level. PC ports have builtin inverters. */
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parport_frob_control(qcam->pport, 8, i?8:0);
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parport_frob_control(qcam->pport, 8, i ? 8 : 0);
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}
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}
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static inline unsigned int qcam_ready1(struct qcam_device *qcam)
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static inline unsigned int qcam_ready1(struct qcam_device *qcam)
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{
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{
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return (parport_read_status(qcam->pport) & 0x8)?1:0;
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return (parport_read_status(qcam->pport) & 0x8) ? 1 : 0;
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}
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}
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static inline unsigned int qcam_ready2(struct qcam_device *qcam)
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static inline unsigned int qcam_ready2(struct qcam_device *qcam)
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{
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{
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return (parport_read_data(qcam->pport) & 0x1)?1:0;
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return (parport_read_data(qcam->pport) & 0x1) ? 1 : 0;
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}
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}
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static unsigned int qcam_await_ready1(struct qcam_device *qcam,
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static unsigned int qcam_await_ready1(struct qcam_device *qcam,
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@@ -99,14 +99,13 @@ static unsigned int qcam_await_ready1(struct qcam_device *qcam,
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unsigned int i;
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unsigned int i;
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for (oldjiffies = jiffies;
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for (oldjiffies = jiffies;
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time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); )
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time_before(jiffies, oldjiffies + msecs_to_jiffies(40));)
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if (qcam_ready1(qcam) == value)
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if (qcam_ready1(qcam) == value)
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return 0;
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return 0;
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/* If the camera didn't respond within 1/25 second, poll slowly
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/* If the camera didn't respond within 1/25 second, poll slowly
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for a while. */
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for a while. */
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for (i = 0; i < 50; i++)
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for (i = 0; i < 50; i++) {
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{
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if (qcam_ready1(qcam) == value)
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if (qcam_ready1(qcam) == value)
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return 0;
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return 0;
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msleep_interruptible(100);
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msleep_interruptible(100);
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@@ -125,14 +124,13 @@ static unsigned int qcam_await_ready2(struct qcam_device *qcam, int value)
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unsigned int i;
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unsigned int i;
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for (oldjiffies = jiffies;
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for (oldjiffies = jiffies;
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time_before(jiffies, oldjiffies + msecs_to_jiffies(40)); )
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time_before(jiffies, oldjiffies + msecs_to_jiffies(40));)
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if (qcam_ready2(qcam) == value)
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if (qcam_ready2(qcam) == value)
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return 0;
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return 0;
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/* If the camera didn't respond within 1/25 second, poll slowly
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/* If the camera didn't respond within 1/25 second, poll slowly
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for a while. */
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for a while. */
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for (i = 0; i < 50; i++)
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for (i = 0; i < 50; i++) {
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{
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if (qcam_ready2(qcam) == value)
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if (qcam_ready2(qcam) == value)
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return 0;
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return 0;
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msleep_interruptible(100);
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msleep_interruptible(100);
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@@ -149,22 +147,25 @@ static unsigned int qcam_await_ready2(struct qcam_device *qcam, int value)
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static int qcam_read_data(struct qcam_device *qcam)
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static int qcam_read_data(struct qcam_device *qcam)
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{
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{
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unsigned int idata;
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unsigned int idata;
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qcam_set_ack(qcam, 0);
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qcam_set_ack(qcam, 0);
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if (qcam_await_ready1(qcam, 1)) return -1;
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if (qcam_await_ready1(qcam, 1))
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return -1;
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idata = parport_read_status(qcam->pport) & 0xf0;
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idata = parport_read_status(qcam->pport) & 0xf0;
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qcam_set_ack(qcam, 1);
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qcam_set_ack(qcam, 1);
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if (qcam_await_ready1(qcam, 0)) return -1;
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if (qcam_await_ready1(qcam, 0))
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idata |= (parport_read_status(qcam->pport) >> 4);
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return -1;
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idata |= parport_read_status(qcam->pport) >> 4;
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return idata;
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return idata;
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}
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}
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static int qcam_write_data(struct qcam_device *qcam, unsigned int data)
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static int qcam_write_data(struct qcam_device *qcam, unsigned int data)
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{
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{
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unsigned int idata;
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unsigned int idata;
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parport_write_data(qcam->pport, data);
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parport_write_data(qcam->pport, data);
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idata = qcam_read_data(qcam);
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idata = qcam_read_data(qcam);
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if (data != idata)
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if (data != idata) {
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{
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printk(KERN_WARNING "cqcam: sent %x but received %x\n", data,
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printk(KERN_WARNING "cqcam: sent %x but received %x\n", data,
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idata);
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idata);
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return 1;
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return 1;
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@@ -212,13 +213,12 @@ static int qc_detect(struct qcam_device *qcam)
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/* look for a heartbeat */
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/* look for a heartbeat */
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ostat = stat = parport_read_status(qcam->pport);
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ostat = stat = parport_read_status(qcam->pport);
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for (i=0; i<250; i++)
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for (i = 0; i < 250; i++) {
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{
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mdelay(1);
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mdelay(1);
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stat = parport_read_status(qcam->pport);
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stat = parport_read_status(qcam->pport);
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if (ostat != stat)
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if (ostat != stat) {
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{
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if (++count >= 3)
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if (++count >= 3) return 1;
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return 1;
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ostat = stat;
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ostat = stat;
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}
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}
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}
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}
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@@ -232,13 +232,12 @@ static int qc_detect(struct qcam_device *qcam)
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count = 0;
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count = 0;
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ostat = stat = parport_read_status(qcam->pport);
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ostat = stat = parport_read_status(qcam->pport);
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for (i=0; i<250; i++)
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for (i = 0; i < 250; i++) {
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{
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mdelay(1);
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mdelay(1);
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stat = parport_read_status(qcam->pport);
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stat = parport_read_status(qcam->pport);
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if (ostat != stat)
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if (ostat != stat) {
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{
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if (++count >= 3)
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if (++count >= 3) return 1;
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return 1;
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ostat = stat;
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ostat = stat;
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}
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}
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}
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}
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@@ -263,7 +262,7 @@ static void qc_setup(struct qcam_device *q)
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{
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{
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qc_reset(q);
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qc_reset(q);
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/* Set the brightness. */
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/* Set the brightness. */
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qcam_set(q, 11, q->brightness);
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qcam_set(q, 11, q->brightness);
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/* Set the height and width. These refer to the actual
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/* Set the height and width. These refer to the actual
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@@ -292,25 +291,25 @@ static unsigned int qcam_read_bytes(struct qcam_device *q, unsigned char *buf, u
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unsigned int bytes = 0;
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unsigned int bytes = 0;
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qcam_set_ack(q, 0);
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qcam_set_ack(q, 0);
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if (q->bidirectional)
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if (q->bidirectional) {
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{
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/* It's a bidirectional port */
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/* It's a bidirectional port */
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while (bytes < nbytes)
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while (bytes < nbytes) {
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{
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unsigned int lo1, hi1, lo2, hi2;
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unsigned int lo1, hi1, lo2, hi2;
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unsigned char r, g, b;
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unsigned char r, g, b;
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if (qcam_await_ready2(q, 1)) return bytes;
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if (qcam_await_ready2(q, 1))
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return bytes;
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lo1 = parport_read_data(q->pport) >> 1;
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lo1 = parport_read_data(q->pport) >> 1;
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hi1 = ((parport_read_status(q->pport) >> 3) & 0x1f) ^ 0x10;
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hi1 = ((parport_read_status(q->pport) >> 3) & 0x1f) ^ 0x10;
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qcam_set_ack(q, 1);
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qcam_set_ack(q, 1);
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if (qcam_await_ready2(q, 0)) return bytes;
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if (qcam_await_ready2(q, 0))
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return bytes;
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lo2 = parport_read_data(q->pport) >> 1;
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lo2 = parport_read_data(q->pport) >> 1;
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hi2 = ((parport_read_status(q->pport) >> 3) & 0x1f) ^ 0x10;
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hi2 = ((parport_read_status(q->pport) >> 3) & 0x1f) ^ 0x10;
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qcam_set_ack(q, 0);
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qcam_set_ack(q, 0);
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r = (lo1 | ((hi1 & 1)<<7));
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r = lo1 | ((hi1 & 1) << 7);
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g = ((hi1 & 0x1e)<<3) | ((hi2 & 0x1e)>>1);
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g = ((hi1 & 0x1e) << 3) | ((hi2 & 0x1e) >> 1);
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b = (lo2 | ((hi2 & 1)<<7));
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b = lo2 | ((hi2 & 1) << 7);
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if (force_rgb) {
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if (force_rgb) {
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buf[bytes++] = r;
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buf[bytes++] = r;
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buf[bytes++] = g;
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buf[bytes++] = g;
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@@ -321,21 +320,20 @@ static unsigned int qcam_read_bytes(struct qcam_device *q, unsigned char *buf, u
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buf[bytes++] = r;
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buf[bytes++] = r;
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}
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}
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}
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}
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}
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} else {
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else
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{
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/* It's a unidirectional port */
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/* It's a unidirectional port */
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int i = 0, n = bytes;
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int i = 0, n = bytes;
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unsigned char rgb[3];
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unsigned char rgb[3];
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while (bytes < nbytes)
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while (bytes < nbytes) {
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{
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unsigned int hi, lo;
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unsigned int hi, lo;
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if (qcam_await_ready1(q, 1)) return bytes;
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if (qcam_await_ready1(q, 1))
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return bytes;
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hi = (parport_read_status(q->pport) & 0xf0);
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hi = (parport_read_status(q->pport) & 0xf0);
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qcam_set_ack(q, 1);
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qcam_set_ack(q, 1);
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if (qcam_await_ready1(q, 0)) return bytes;
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if (qcam_await_ready1(q, 0))
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return bytes;
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lo = (parport_read_status(q->pport) & 0xf0);
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lo = (parport_read_status(q->pport) & 0xf0);
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qcam_set_ack(q, 0);
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qcam_set_ack(q, 0);
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/* flip some bits */
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/* flip some bits */
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@@ -374,28 +372,26 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
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return -EFAULT;
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return -EFAULT;
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/* Wait for camera to become ready */
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/* Wait for camera to become ready */
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for (;;)
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for (;;) {
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{
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int i = qcam_get(q, 41);
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int i = qcam_get(q, 41);
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if (i == -1) {
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if (i == -1) {
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qc_setup(q);
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qc_setup(q);
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return -EIO;
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return -EIO;
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}
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}
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if ((i & 0x80) == 0)
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if ((i & 0x80) == 0)
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break;
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break;
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else
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schedule();
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schedule();
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}
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}
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if (qcam_set(q, 7, (q->mode | (is_bi_dir?1:0)) + 1))
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if (qcam_set(q, 7, (q->mode | (is_bi_dir ? 1 : 0)) + 1))
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return -EIO;
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return -EIO;
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lines = q->height;
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lines = q->height;
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pixelsperline = q->width;
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pixelsperline = q->width;
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bitsperxfer = (is_bi_dir) ? 24 : 8;
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bitsperxfer = (is_bi_dir) ? 24 : 8;
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if (is_bi_dir)
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if (is_bi_dir) {
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{
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/* Turn the port around */
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/* Turn the port around */
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parport_data_reverse(q->pport);
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parport_data_reverse(q->pport);
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mdelay(3);
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mdelay(3);
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@@ -413,16 +409,17 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
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wantlen = lines * pixelsperline * 24 / 8;
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wantlen = lines * pixelsperline * 24 / 8;
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while (wantlen)
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while (wantlen) {
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{
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size_t t, s;
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size_t t, s;
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s = (wantlen > BUFSZ)?BUFSZ:wantlen;
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s = (wantlen > BUFSZ) ? BUFSZ : wantlen;
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t = qcam_read_bytes(q, tmpbuf, s);
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t = qcam_read_bytes(q, tmpbuf, s);
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if (outptr < len)
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if (outptr < len) {
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{
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size_t sz = len - outptr;
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size_t sz = len - outptr;
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if (sz > t) sz = t;
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if (__copy_to_user(buf+outptr, tmpbuf, sz))
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if (sz > t)
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sz = t;
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if (__copy_to_user(buf + outptr, tmpbuf, sz))
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break;
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break;
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outptr += sz;
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outptr += sz;
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}
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}
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@@ -434,33 +431,31 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
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len = outptr;
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len = outptr;
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if (wantlen)
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if (wantlen) {
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{
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printk(KERN_ERR "qcam: short read.\n");
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printk("qcam: short read.\n");
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if (is_bi_dir)
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if (is_bi_dir)
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parport_data_forward(q->pport);
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parport_data_forward(q->pport);
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qc_setup(q);
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qc_setup(q);
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return len;
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return len;
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}
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}
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if (is_bi_dir)
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if (is_bi_dir) {
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{
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int l;
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int l;
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do {
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do {
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l = qcam_read_bytes(q, tmpbuf, 3);
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l = qcam_read_bytes(q, tmpbuf, 3);
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cond_resched();
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cond_resched();
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} while (l && (tmpbuf[0] == 0x7e || tmpbuf[1] == 0x7e || tmpbuf[2] == 0x7e));
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} while (l && (tmpbuf[0] == 0x7e || tmpbuf[1] == 0x7e || tmpbuf[2] == 0x7e));
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if (force_rgb) {
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if (force_rgb) {
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if (tmpbuf[0] != 0xe || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xf)
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if (tmpbuf[0] != 0xe || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xf)
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printk("qcam: bad EOF\n");
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printk(KERN_ERR "qcam: bad EOF\n");
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} else {
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} else {
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if (tmpbuf[0] != 0xf || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xe)
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if (tmpbuf[0] != 0xf || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xe)
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printk("qcam: bad EOF\n");
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printk(KERN_ERR "qcam: bad EOF\n");
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}
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}
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qcam_set_ack(q, 0);
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qcam_set_ack(q, 0);
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if (qcam_await_ready1(q, 1))
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if (qcam_await_ready1(q, 1)) {
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{
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printk(KERN_ERR "qcam: no ack after EOF\n");
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printk("qcam: no ack after EOF\n");
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parport_data_forward(q->pport);
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parport_data_forward(q->pport);
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qc_setup(q);
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qc_setup(q);
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return len;
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return len;
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@@ -468,27 +463,25 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
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parport_data_forward(q->pport);
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parport_data_forward(q->pport);
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mdelay(3);
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mdelay(3);
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qcam_set_ack(q, 1);
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qcam_set_ack(q, 1);
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if (qcam_await_ready1(q, 0))
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if (qcam_await_ready1(q, 0)) {
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{
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printk(KERN_ERR "qcam: no ack to port turnaround\n");
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printk("qcam: no ack to port turnaround\n");
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qc_setup(q);
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qc_setup(q);
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return len;
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return len;
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}
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}
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}
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} else {
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else
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{
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int l;
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int l;
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do {
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do {
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l = qcam_read_bytes(q, tmpbuf, 1);
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l = qcam_read_bytes(q, tmpbuf, 1);
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cond_resched();
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cond_resched();
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} while (l && tmpbuf[0] == 0x7e);
|
} while (l && tmpbuf[0] == 0x7e);
|
||||||
l = qcam_read_bytes(q, tmpbuf+1, 2);
|
l = qcam_read_bytes(q, tmpbuf + 1, 2);
|
||||||
if (force_rgb) {
|
if (force_rgb) {
|
||||||
if (tmpbuf[0] != 0xe || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xf)
|
if (tmpbuf[0] != 0xe || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xf)
|
||||||
printk("qcam: bad EOF\n");
|
printk(KERN_ERR "qcam: bad EOF\n");
|
||||||
} else {
|
} else {
|
||||||
if (tmpbuf[0] != 0xf || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xe)
|
if (tmpbuf[0] != 0xf || tmpbuf[1] != 0x0 || tmpbuf[2] != 0xe)
|
||||||
printk("qcam: bad EOF\n");
|
printk(KERN_ERR "qcam: bad EOF\n");
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -503,164 +496,166 @@ static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long le
|
|||||||
static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
||||||
{
|
{
|
||||||
struct video_device *dev = video_devdata(file);
|
struct video_device *dev = video_devdata(file);
|
||||||
struct qcam_device *qcam=(struct qcam_device *)dev;
|
struct qcam_device *qcam = (struct qcam_device *)dev;
|
||||||
|
|
||||||
switch(cmd)
|
switch (cmd) {
|
||||||
|
case VIDIOCGCAP:
|
||||||
{
|
{
|
||||||
case VIDIOCGCAP:
|
struct video_capability *b = arg;
|
||||||
{
|
|
||||||
struct video_capability *b = arg;
|
|
||||||
strcpy(b->name, "Quickcam");
|
|
||||||
b->type = VID_TYPE_CAPTURE|VID_TYPE_SCALES;
|
|
||||||
b->channels = 1;
|
|
||||||
b->audios = 0;
|
|
||||||
b->maxwidth = 320;
|
|
||||||
b->maxheight = 240;
|
|
||||||
b->minwidth = 80;
|
|
||||||
b->minheight = 60;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCGCHAN:
|
|
||||||
{
|
|
||||||
struct video_channel *v = arg;
|
|
||||||
if(v->channel!=0)
|
|
||||||
return -EINVAL;
|
|
||||||
v->flags=0;
|
|
||||||
v->tuners=0;
|
|
||||||
/* Good question.. its composite or SVHS so.. */
|
|
||||||
v->type = VIDEO_TYPE_CAMERA;
|
|
||||||
strcpy(v->name, "Camera");
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCSCHAN:
|
|
||||||
{
|
|
||||||
struct video_channel *v = arg;
|
|
||||||
if(v->channel!=0)
|
|
||||||
return -EINVAL;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCGTUNER:
|
|
||||||
{
|
|
||||||
struct video_tuner *v = arg;
|
|
||||||
if(v->tuner)
|
|
||||||
return -EINVAL;
|
|
||||||
memset(v,0,sizeof(*v));
|
|
||||||
strcpy(v->name, "Format");
|
|
||||||
v->mode = VIDEO_MODE_AUTO;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCSTUNER:
|
|
||||||
{
|
|
||||||
struct video_tuner *v = arg;
|
|
||||||
if(v->tuner)
|
|
||||||
return -EINVAL;
|
|
||||||
if(v->mode!=VIDEO_MODE_AUTO)
|
|
||||||
return -EINVAL;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCGPICT:
|
|
||||||
{
|
|
||||||
struct video_picture *p = arg;
|
|
||||||
p->colour=0x8000;
|
|
||||||
p->hue=0x8000;
|
|
||||||
p->brightness=qcam->brightness<<8;
|
|
||||||
p->contrast=qcam->contrast<<8;
|
|
||||||
p->whiteness=qcam->whitebal<<8;
|
|
||||||
p->depth=24;
|
|
||||||
p->palette=VIDEO_PALETTE_RGB24;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCSPICT:
|
|
||||||
{
|
|
||||||
struct video_picture *p = arg;
|
|
||||||
|
|
||||||
/*
|
strcpy(b->name, "Quickcam");
|
||||||
* Sanity check args
|
b->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES;
|
||||||
*/
|
b->channels = 1;
|
||||||
if (p->depth != 24 || p->palette != VIDEO_PALETTE_RGB24)
|
b->audios = 0;
|
||||||
return -EINVAL;
|
b->maxwidth = 320;
|
||||||
|
b->maxheight = 240;
|
||||||
|
b->minwidth = 80;
|
||||||
|
b->minheight = 60;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCGCHAN:
|
||||||
|
{
|
||||||
|
struct video_channel *v = arg;
|
||||||
|
|
||||||
/*
|
if (v->channel != 0)
|
||||||
* Now load the camera.
|
|
||||||
*/
|
|
||||||
qcam->brightness = p->brightness>>8;
|
|
||||||
qcam->contrast = p->contrast>>8;
|
|
||||||
qcam->whitebal = p->whiteness>>8;
|
|
||||||
|
|
||||||
mutex_lock(&qcam->lock);
|
|
||||||
parport_claim_or_block(qcam->pdev);
|
|
||||||
qc_setup(qcam);
|
|
||||||
parport_release(qcam->pdev);
|
|
||||||
mutex_unlock(&qcam->lock);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCSWIN:
|
|
||||||
{
|
|
||||||
struct video_window *vw = arg;
|
|
||||||
|
|
||||||
if(vw->flags)
|
|
||||||
return -EINVAL;
|
|
||||||
if(vw->clipcount)
|
|
||||||
return -EINVAL;
|
|
||||||
if(vw->height<60||vw->height>240)
|
|
||||||
return -EINVAL;
|
|
||||||
if(vw->width<80||vw->width>320)
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
qcam->width = 80;
|
|
||||||
qcam->height = 60;
|
|
||||||
qcam->mode = QC_DECIMATION_4;
|
|
||||||
|
|
||||||
if(vw->width>=160 && vw->height>=120)
|
|
||||||
{
|
|
||||||
qcam->width = 160;
|
|
||||||
qcam->height = 120;
|
|
||||||
qcam->mode = QC_DECIMATION_2;
|
|
||||||
}
|
|
||||||
if(vw->width>=320 && vw->height>=240)
|
|
||||||
{
|
|
||||||
qcam->width = 320;
|
|
||||||
qcam->height = 240;
|
|
||||||
qcam->mode = QC_DECIMATION_1;
|
|
||||||
}
|
|
||||||
qcam->mode |= QC_MILLIONS;
|
|
||||||
#if 0
|
|
||||||
if(vw->width>=640 && vw->height>=480)
|
|
||||||
{
|
|
||||||
qcam->width = 640;
|
|
||||||
qcam->height = 480;
|
|
||||||
qcam->mode = QC_BILLIONS | QC_DECIMATION_1;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
/* Ok we figured out what to use from our
|
|
||||||
wide choice */
|
|
||||||
mutex_lock(&qcam->lock);
|
|
||||||
parport_claim_or_block(qcam->pdev);
|
|
||||||
qc_setup(qcam);
|
|
||||||
parport_release(qcam->pdev);
|
|
||||||
mutex_unlock(&qcam->lock);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCGWIN:
|
|
||||||
{
|
|
||||||
struct video_window *vw = arg;
|
|
||||||
memset(vw, 0, sizeof(*vw));
|
|
||||||
vw->width=qcam->width;
|
|
||||||
vw->height=qcam->height;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
case VIDIOCKEY:
|
|
||||||
return 0;
|
|
||||||
case VIDIOCCAPTURE:
|
|
||||||
case VIDIOCGFBUF:
|
|
||||||
case VIDIOCSFBUF:
|
|
||||||
case VIDIOCGFREQ:
|
|
||||||
case VIDIOCSFREQ:
|
|
||||||
case VIDIOCGAUDIO:
|
|
||||||
case VIDIOCSAUDIO:
|
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
default:
|
v->flags = 0;
|
||||||
return -ENOIOCTLCMD;
|
v->tuners = 0;
|
||||||
|
/* Good question.. its composite or SVHS so.. */
|
||||||
|
v->type = VIDEO_TYPE_CAMERA;
|
||||||
|
strcpy(v->name, "Camera");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCSCHAN:
|
||||||
|
{
|
||||||
|
struct video_channel *v = arg;
|
||||||
|
|
||||||
|
if (v->channel != 0)
|
||||||
|
return -EINVAL;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCGTUNER:
|
||||||
|
{
|
||||||
|
struct video_tuner *v = arg;
|
||||||
|
|
||||||
|
if (v->tuner)
|
||||||
|
return -EINVAL;
|
||||||
|
memset(v, 0, sizeof(*v));
|
||||||
|
strcpy(v->name, "Format");
|
||||||
|
v->mode = VIDEO_MODE_AUTO;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCSTUNER:
|
||||||
|
{
|
||||||
|
struct video_tuner *v = arg;
|
||||||
|
|
||||||
|
if (v->tuner)
|
||||||
|
return -EINVAL;
|
||||||
|
if (v->mode != VIDEO_MODE_AUTO)
|
||||||
|
return -EINVAL;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCGPICT:
|
||||||
|
{
|
||||||
|
struct video_picture *p = arg;
|
||||||
|
|
||||||
|
p->colour = 0x8000;
|
||||||
|
p->hue = 0x8000;
|
||||||
|
p->brightness = qcam->brightness << 8;
|
||||||
|
p->contrast = qcam->contrast << 8;
|
||||||
|
p->whiteness = qcam->whitebal << 8;
|
||||||
|
p->depth = 24;
|
||||||
|
p->palette = VIDEO_PALETTE_RGB24;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCSPICT:
|
||||||
|
{
|
||||||
|
struct video_picture *p = arg;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Sanity check args
|
||||||
|
*/
|
||||||
|
if (p->depth != 24 || p->palette != VIDEO_PALETTE_RGB24)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Now load the camera.
|
||||||
|
*/
|
||||||
|
qcam->brightness = p->brightness >> 8;
|
||||||
|
qcam->contrast = p->contrast >> 8;
|
||||||
|
qcam->whitebal = p->whiteness >> 8;
|
||||||
|
|
||||||
|
mutex_lock(&qcam->lock);
|
||||||
|
parport_claim_or_block(qcam->pdev);
|
||||||
|
qc_setup(qcam);
|
||||||
|
parport_release(qcam->pdev);
|
||||||
|
mutex_unlock(&qcam->lock);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCSWIN:
|
||||||
|
{
|
||||||
|
struct video_window *vw = arg;
|
||||||
|
|
||||||
|
if (vw->flags)
|
||||||
|
return -EINVAL;
|
||||||
|
if (vw->clipcount)
|
||||||
|
return -EINVAL;
|
||||||
|
if (vw->height < 60 || vw->height > 240)
|
||||||
|
return -EINVAL;
|
||||||
|
if (vw->width < 80 || vw->width > 320)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
qcam->width = 80;
|
||||||
|
qcam->height = 60;
|
||||||
|
qcam->mode = QC_DECIMATION_4;
|
||||||
|
|
||||||
|
if (vw->width >= 160 && vw->height >= 120) {
|
||||||
|
qcam->width = 160;
|
||||||
|
qcam->height = 120;
|
||||||
|
qcam->mode = QC_DECIMATION_2;
|
||||||
|
}
|
||||||
|
if (vw->width >= 320 && vw->height >= 240) {
|
||||||
|
qcam->width = 320;
|
||||||
|
qcam->height = 240;
|
||||||
|
qcam->mode = QC_DECIMATION_1;
|
||||||
|
}
|
||||||
|
qcam->mode |= QC_MILLIONS;
|
||||||
|
#if 0
|
||||||
|
if (vw->width >= 640 && vw->height >= 480) {
|
||||||
|
qcam->width = 640;
|
||||||
|
qcam->height = 480;
|
||||||
|
qcam->mode = QC_BILLIONS | QC_DECIMATION_1;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
/* Ok we figured out what to use from our
|
||||||
|
wide choice */
|
||||||
|
mutex_lock(&qcam->lock);
|
||||||
|
parport_claim_or_block(qcam->pdev);
|
||||||
|
qc_setup(qcam);
|
||||||
|
parport_release(qcam->pdev);
|
||||||
|
mutex_unlock(&qcam->lock);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCGWIN:
|
||||||
|
{
|
||||||
|
struct video_window *vw = arg;
|
||||||
|
memset(vw, 0, sizeof(*vw));
|
||||||
|
vw->width = qcam->width;
|
||||||
|
vw->height = qcam->height;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
case VIDIOCKEY:
|
||||||
|
return 0;
|
||||||
|
case VIDIOCCAPTURE:
|
||||||
|
case VIDIOCGFBUF:
|
||||||
|
case VIDIOCSFBUF:
|
||||||
|
case VIDIOCGFREQ:
|
||||||
|
case VIDIOCSFREQ:
|
||||||
|
case VIDIOCGAUDIO:
|
||||||
|
case VIDIOCSAUDIO:
|
||||||
|
return -EINVAL;
|
||||||
|
default:
|
||||||
|
return -ENOIOCTLCMD;
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
@@ -675,13 +670,13 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
|
|||||||
size_t count, loff_t *ppos)
|
size_t count, loff_t *ppos)
|
||||||
{
|
{
|
||||||
struct video_device *v = video_devdata(file);
|
struct video_device *v = video_devdata(file);
|
||||||
struct qcam_device *qcam=(struct qcam_device *)v;
|
struct qcam_device *qcam = (struct qcam_device *)v;
|
||||||
int len;
|
int len;
|
||||||
|
|
||||||
mutex_lock(&qcam->lock);
|
mutex_lock(&qcam->lock);
|
||||||
parport_claim_or_block(qcam->pdev);
|
parport_claim_or_block(qcam->pdev);
|
||||||
/* Probably should have a semaphore against multiple users */
|
/* Probably should have a semaphore against multiple users */
|
||||||
len = qc_capture(qcam, buf,count);
|
len = qc_capture(qcam, buf, count);
|
||||||
parport_release(qcam->pdev);
|
parport_release(qcam->pdev);
|
||||||
mutex_unlock(&qcam->lock);
|
mutex_unlock(&qcam->lock);
|
||||||
return len;
|
return len;
|
||||||
@@ -713,8 +708,7 @@ static const struct v4l2_file_operations qcam_fops = {
|
|||||||
.read = qcam_read,
|
.read = qcam_read,
|
||||||
};
|
};
|
||||||
|
|
||||||
static struct video_device qcam_template=
|
static struct video_device qcam_template = {
|
||||||
{
|
|
||||||
.name = "Colour QuickCam",
|
.name = "Colour QuickCam",
|
||||||
.fops = &qcam_fops,
|
.fops = &qcam_fops,
|
||||||
.release = video_device_release_empty,
|
.release = video_device_release_empty,
|
||||||
@@ -727,17 +721,16 @@ static struct qcam_device *qcam_init(struct parport *port)
|
|||||||
struct qcam_device *q;
|
struct qcam_device *q;
|
||||||
|
|
||||||
q = kmalloc(sizeof(struct qcam_device), GFP_KERNEL);
|
q = kmalloc(sizeof(struct qcam_device), GFP_KERNEL);
|
||||||
if(q==NULL)
|
if (q == NULL)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
q->pport = port;
|
q->pport = port;
|
||||||
q->pdev = parport_register_device(port, "c-qcam", NULL, NULL,
|
q->pdev = parport_register_device(port, "c-qcam", NULL, NULL,
|
||||||
NULL, 0, NULL);
|
NULL, 0, NULL);
|
||||||
|
|
||||||
q->bidirectional = (q->pport->modes & PARPORT_MODE_TRISTATE)?1:0;
|
q->bidirectional = (q->pport->modes & PARPORT_MODE_TRISTATE) ? 1 : 0;
|
||||||
|
|
||||||
if (q->pdev == NULL)
|
if (q->pdev == NULL) {
|
||||||
{
|
|
||||||
printk(KERN_ERR "c-qcam: couldn't register for %s.\n",
|
printk(KERN_ERR "c-qcam: couldn't register for %s.\n",
|
||||||
port->name);
|
port->name);
|
||||||
kfree(q);
|
kfree(q);
|
||||||
@@ -765,12 +758,11 @@ static int init_cqcam(struct parport *port)
|
|||||||
{
|
{
|
||||||
struct qcam_device *qcam;
|
struct qcam_device *qcam;
|
||||||
|
|
||||||
if (parport[0] != -1)
|
if (parport[0] != -1) {
|
||||||
{
|
|
||||||
/* The user gave specific instructions */
|
/* The user gave specific instructions */
|
||||||
int i, found = 0;
|
int i, found = 0;
|
||||||
for (i = 0; i < MAX_CAMS && parport[i] != -1; i++)
|
|
||||||
{
|
for (i = 0; i < MAX_CAMS && parport[i] != -1; i++) {
|
||||||
if (parport[0] == port->number)
|
if (parport[0] == port->number)
|
||||||
found = 1;
|
found = 1;
|
||||||
}
|
}
|
||||||
@@ -782,15 +774,14 @@ static int init_cqcam(struct parport *port)
|
|||||||
return -ENOSPC;
|
return -ENOSPC;
|
||||||
|
|
||||||
qcam = qcam_init(port);
|
qcam = qcam_init(port);
|
||||||
if (qcam==NULL)
|
if (qcam == NULL)
|
||||||
return -ENODEV;
|
return -ENODEV;
|
||||||
|
|
||||||
parport_claim_or_block(qcam->pdev);
|
parport_claim_or_block(qcam->pdev);
|
||||||
|
|
||||||
qc_reset(qcam);
|
qc_reset(qcam);
|
||||||
|
|
||||||
if (probe && qc_detect(qcam)==0)
|
if (probe && qc_detect(qcam) == 0) {
|
||||||
{
|
|
||||||
parport_release(qcam->pdev);
|
parport_release(qcam->pdev);
|
||||||
parport_unregister_device(qcam->pdev);
|
parport_unregister_device(qcam->pdev);
|
||||||
kfree(qcam);
|
kfree(qcam);
|
||||||
@@ -840,14 +831,14 @@ static struct parport_driver cqcam_driver = {
|
|||||||
.detach = cq_detach,
|
.detach = cq_detach,
|
||||||
};
|
};
|
||||||
|
|
||||||
static int __init cqcam_init (void)
|
static int __init cqcam_init(void)
|
||||||
{
|
{
|
||||||
printk(BANNER "\n");
|
printk(BANNER "\n");
|
||||||
|
|
||||||
return parport_register_driver(&cqcam_driver);
|
return parport_register_driver(&cqcam_driver);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void __exit cqcam_cleanup (void)
|
static void __exit cqcam_cleanup(void)
|
||||||
{
|
{
|
||||||
unsigned int i;
|
unsigned int i;
|
||||||
|
|
||||||
@@ -862,9 +853,9 @@ MODULE_DESCRIPTION(BANNER);
|
|||||||
MODULE_LICENSE("GPL");
|
MODULE_LICENSE("GPL");
|
||||||
|
|
||||||
/* FIXME: parport=auto would never have worked, surely? --RR */
|
/* FIXME: parport=auto would never have worked, surely? --RR */
|
||||||
MODULE_PARM_DESC(parport ,"parport=<auto|n[,n]...> for port detection method\n\
|
MODULE_PARM_DESC(parport, "parport=<auto|n[,n]...> for port detection method\n"
|
||||||
probe=<0|1|2> for camera detection method\n\
|
"probe=<0|1|2> for camera detection method\n"
|
||||||
force_rgb=<0|1> for RGB data format (default BGR)");
|
"force_rgb=<0|1> for RGB data format (default BGR)");
|
||||||
module_param_array(parport, int, NULL, 0);
|
module_param_array(parport, int, NULL, 0);
|
||||||
module_param(probe, int, 0);
|
module_param(probe, int, 0);
|
||||||
module_param(force_rgb, bool, 0);
|
module_param(force_rgb, bool, 0);
|
||||||
|
Reference in New Issue
Block a user