diff options
| author | Thierry Reding <thierry.reding@avionic-design.de> | 2011-05-17 09:31:33 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-17 09:38:43 -0700 |
| commit | 2d137c7ed25f9754f52495af570897ad993e4fe7 (patch) | |
| tree | 0d5a131c68022d5b3b24867e65731bf7e85d831c /drivers/input/touchscreen/tsc2007.c | |
| parent | 84005eb5ea2939d448047fcf6924b3b9b6ed974d (diff) | |
Input: tsc2007 - add poll_delay parameter to platform data
Depending on the quality of the touch panel, the time for the X-, X+, Y-
and Y+ inputs to settle may vary. The poll_delay parameter can be used
to override the default of 1 millisecond.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Kwangwoo Lee <kwangwoo.lee@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/tsc2007.c')
| -rw-r--r-- | drivers/input/touchscreen/tsc2007.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 8c48a91a678..faa82ddb014 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -27,7 +27,6 @@ #include <linux/i2c.h> #include <linux/i2c/tsc2007.h> -#define TS_POLL_DELAY 1 /* ms delay between samples */ #define TS_POLL_PERIOD 1 /* ms delay between samples */ #define TSC2007_MEASURE_TEMP0 (0x0 << 4) @@ -76,6 +75,7 @@ struct tsc2007 { u16 model; u16 x_plate_ohms; u16 max_rt; + unsigned long poll_delay; bool pendown; int irq; @@ -242,7 +242,7 @@ static irqreturn_t tsc2007_irq(int irq, void *handle) if (!ts->get_pendown_state || likely(ts->get_pendown_state())) { disable_irq_nosync(ts->irq); schedule_delayed_work(&ts->work, - msecs_to_jiffies(TS_POLL_DELAY)); + msecs_to_jiffies(ts->poll_delay)); } if (ts->clear_penirq) @@ -296,6 +296,7 @@ static int __devinit tsc2007_probe(struct i2c_client *client, ts->model = pdata->model; ts->x_plate_ohms = pdata->x_plate_ohms; ts->max_rt = pdata->max_rt ? : MAX_12BIT; + ts->poll_delay = pdata->poll_delay ? : 1; ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; |