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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits)
  Input: wacom - add support for Cintiq 20WSX
  Input: ucb1400_ts - IRQ probe fix
  Input: at32psif - update MODULE_AUTHOR with new email
  Input: mac_hid - add lockdep annotation to emumousebtn
  Input: i8042 - fix incorrect usage of strncpy and strncat
  Input: bf54x-keys - add infrastructure for keypad wakeups
  Input: add MODULE_ALIAS() to hotpluggable platform modules
  Input: drivers/char/keyboard.c - use time_after
  Input: fix ordering in joystick Makefile
  Input: wm97xx-core - support use as a wakeup source
  Input: wm97xx-core - use IRQF_SAMPLE_RANDOM
  Input: wm97xx-core - only schedule interrupt handler if not already scheduled
  Input: add Zhen Hua driver
  Input: aiptek - add support for Genius G-PEN 560 tablet
  Input: wacom - implement suspend and autosuspend
  Input: xpad - set proper buffer length for outgoing requests
  Input: omap-keypad - fix build warning
  Input: gpio_keys - irq handling cleanup
  Input: add PS/2 serio driver for AVR32 devices
  Input: put ledstate in the keyboard notifier
  ...
This commit is contained in:
Linus Torvalds
2008-04-25 12:38:14 -07:00
parent ad5e1b0f5d 308f0a5898
commit ce1d5b23a8
49 changed files with 3906 additions and 121 deletions
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22
drivers/input/touchscreen/ads7846.c
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@ -80,6 +80,7 @@ struct ads7846 {
#endif
u16 model;
u16 vref_mv;
u16 vref_delay_usecs;
u16 x_plate_ohms;
u16 pressure_max;
@ -177,9 +178,6 @@ struct ads7846 {
* The range is GND..vREF. The ads7843 and ads7835 must use external vREF;
* ads7846 lets that pin be unconnected, to use internal vREF.
*/
static unsigned vREF_mV;
module_param(vREF_mV, uint, 0);
MODULE_PARM_DESC(vREF_mV, "external vREF voltage, in milliVolts");
struct ser_req {
u8 ref_on;
@ -206,7 +204,6 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
struct ads7846 *ts = dev_get_drvdata(dev);
struct ser_req *req = kzalloc(sizeof *req, GFP_KERNEL);
int status;
int uninitialized_var(sample);
int use_internal;
if (!req)
@ -263,13 +260,13 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
if (status == 0) {
/* on-wire is a must-ignore bit, a BE12 value, then padding */
sample = be16_to_cpu(req->sample);
sample = sample >> 3;
sample &= 0x0fff;
status = be16_to_cpu(req->sample);
status = status >> 3;
status &= 0x0fff;
}
kfree(req);
return status ? status : sample;
return status;
}
#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
@ -310,7 +307,7 @@ static inline unsigned vaux_adjust(struct ads7846 *ts, ssize_t v)
unsigned retval = v;
/* external resistors may scale vAUX into 0..vREF */
retval *= vREF_mV;
retval *= ts->vref_mv;
retval = retval >> 12;
return retval;
}
@ -368,14 +365,14 @@ static int ads784x_hwmon_register(struct spi_device *spi, struct ads7846 *ts)
/* hwmon sensors need a reference voltage */
switch (ts->model) {
case 7846:
if (!vREF_mV) {
if (!ts->vref_mv) {
dev_dbg(&spi->dev, "assuming 2.5V internal vREF\n");
vREF_mV = 2500;
ts->vref_mv = 2500;
}
break;
case 7845:
case 7843:
if (!vREF_mV) {
if (!ts->vref_mv) {
dev_warn(&spi->dev,
"external vREF for ADS%d not specified\n",
ts->model);
@ -868,6 +865,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->spi = spi;
ts->input = input_dev;
ts->vref_mv = pdata->vref_mv;
hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
ts->timer.function = ads7846_timer;