summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/input/touchscreen/tsc2007.c4
-rw-r--r--include/linux/i2c/tsc2007.h1
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index df4ae354969d..8c48a91a6783 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -75,6 +75,7 @@ struct tsc2007 {
u16 model;
u16 x_plate_ohms;
+ u16 max_rt;
bool pendown;
int irq;
@@ -185,7 +186,7 @@ static void tsc2007_work(struct work_struct *work)
tsc2007_read_values(ts, &tc);
rt = tsc2007_calculate_pressure(ts, &tc);
- if (rt > MAX_12BIT) {
+ if (rt > ts->max_rt) {
/*
* Sample found inconsistent by debouncing or pressure is
* beyond the maximum. Don't report it to user space,
@@ -294,6 +295,7 @@ 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->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 c6361fbb7bf9..d95f11347314 100644
--- a/include/linux/i2c/tsc2007.h
+++ b/include/linux/i2c/tsc2007.h
@@ -6,6 +6,7 @@
struct tsc2007_platform_data {
u16 model; /* 2007. */
u16 x_plate_ohms;
+ u16 max_rt; /* max. resistance above which samples are ignored */
int (*get_pendown_state)(void);
void (*clear_penirq)(void); /* If needed, clear 2nd level
OpenPOWER on IntegriCloud