diff options
| author | Thierry Reding <thierry.reding@avionic-design.de> | 2011-05-17 09:32:02 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-17 09:38:49 -0700 |
| commit | 1af38eac8cdb70dbad3086b4f1bf7296eb1b09b1 (patch) | |
| tree | 74a251236e74d963592da41cde26b60fe33b6f0a | |
| parent | 2d137c7ed25f9754f52495af570897ad993e4fe7 (diff) | |
Input: tsc2007 - add poll_period parameter to platform data
This new parameter allows the polling frequency to be configured while
keeping the default of once every millisecond.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | drivers/input/touchscreen/tsc2007.c | 6 | ||||
| -rw-r--r-- | include/linux/i2c/tsc2007.h | 1 |
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index faa82ddb014b..87c40c79f71e 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -27,8 +27,6 @@ #include <linux/i2c.h> #include <linux/i2c/tsc2007.h> -#define TS_POLL_PERIOD 1 /* ms delay between samples */ - #define TSC2007_MEASURE_TEMP0 (0x0 << 4) #define TSC2007_MEASURE_AUX (0x2 << 4) #define TSC2007_MEASURE_TEMP1 (0x4 << 4) @@ -76,6 +74,7 @@ struct tsc2007 { u16 x_plate_ohms; u16 max_rt; unsigned long poll_delay; + unsigned long poll_period; bool pendown; int irq; @@ -230,7 +229,7 @@ static void tsc2007_work(struct work_struct *work) out: if (ts->pendown || debounced) schedule_delayed_work(&ts->work, - msecs_to_jiffies(TS_POLL_PERIOD)); + msecs_to_jiffies(ts->poll_period)); else enable_irq(ts->irq); } @@ -297,6 +296,7 @@ static int __devinit tsc2007_probe(struct i2c_client *client, ts->x_plate_ohms = pdata->x_plate_ohms; ts->max_rt = pdata->max_rt ? : MAX_12BIT; ts->poll_delay = pdata->poll_delay ? : 1; + ts->poll_period = pdata->poll_period ? : 1; ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; diff --git a/include/linux/i2c/tsc2007.h b/include/linux/i2c/tsc2007.h index 342b130a0a98..a51dac081aca 100644 --- a/include/linux/i2c/tsc2007.h +++ b/include/linux/i2c/tsc2007.h @@ -9,6 +9,7 @@ struct tsc2007_platform_data { u16 max_rt; /* max. resistance above which samples are ignored */ unsigned long poll_delay; /* delay (in ms) after pen-down event before polling starts */ + unsigned long poll_period; /* time (in ms) between samples */ int (*get_pendown_state)(void); void (*clear_penirq)(void); /* If needed, clear 2nd level |