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authorThierry Reding <thierry.reding@avionic-design.de>2011-05-17 09:31:33 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-05-17 09:38:43 -0700
commit2d137c7ed25f9754f52495af570897ad993e4fe7 (patch)
tree0d5a131c68022d5b3b24867e65731bf7e85d831c /drivers/input/touchscreen
parent84005eb5ea2939d448047fcf6924b3b9b6ed974d (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')
-rw-r--r--drivers/input/touchscreen/tsc2007.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 8c48a91a6783..faa82ddb014b 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;