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V4L/DVB: gspca_ov519: add support for the button on ov511 based cams

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Due to hardware limitations this only works while the camera is
streaming.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede
2010-02-20 04:45:49 -03:00
committed by Mauro Carvalho Chehab
parent 92e232acd6
commit 88e8d20a8c
1 changed files with 17 additions and 5 deletions
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22
drivers/media/video/gspca/ov519.c
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@@ -2702,6 +2702,11 @@ static void sd_reset_snapshot(struct gspca_dev *gspca_dev)
sd->snapshot_needs_reset = 0; sd->snapshot_needs_reset = 0;
switch (sd->bridge) { switch (sd->bridge) {
case BRIDGE_OV511:
case BRIDGE_OV511PLUS:
reg_w(sd, R51x_SYS_SNAP, 0x02);
reg_w(sd, R51x_SYS_SNAP, 0x00);
break;
case BRIDGE_OV518: case BRIDGE_OV518:
case BRIDGE_OV518PLUS: case BRIDGE_OV518PLUS:
reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */ reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */
@@ -3996,11 +4001,17 @@ static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state)
sd->snapshot_pressed = state; sd->snapshot_pressed = state;
} else { } else {
/* On the ov519 we need to reset the button state multiple /* On the ov511 / ov519 we need to reset the button state
times, as resetting does not work as long as the button multiple times, as resetting does not work as long as the
stays pressed */ button stays pressed */
if (sd->bridge == BRIDGE_OV519 && state) switch (sd->bridge) {
sd->snapshot_needs_reset = 1; case BRIDGE_OV511:
case BRIDGE_OV511PLUS:
case BRIDGE_OV519:
if (state)
sd->snapshot_needs_reset = 1;
break;
}
} }
} }
@@ -4025,6 +4036,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
*/ */
if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) && if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&
(in[8] & 0x08)) { (in[8] & 0x08)) {
ov51x_handle_button(gspca_dev, (in[8] >> 2) & 1);
if (in[8] & 0x80) { if (in[8] & 0x80) {
/* Frame end */ /* Frame end */
if ((in[9] + 1) * 8 != gspca_dev->width || if ((in[9] + 1) * 8 != gspca_dev->width ||