diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-26 00:41:21 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-26 00:41:21 +0100 |
| commit | ae1d3b974e091b5fc9008bd41bcbdaac68110b62 (patch) | |
| tree | 82e50a66925ced79f59ed4504f6e073ef55edee3 /drivers/input/touchscreen/tsc2007.c | |
| parent | 586893ebc42943008010b4c210cfc9167df615e5 (diff) | |
| parent | 7a2207a0e1142a9b214b323e43ab2ecc592e5b0e (diff) | |
Merge branch 'for-rmk' of git://github.com/at91linux/linux-2.6-at91 into devel-stable
Diffstat (limited to 'drivers/input/touchscreen/tsc2007.c')
| -rw-r--r-- | drivers/input/touchscreen/tsc2007.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 80467f262331..fadc11545b1e 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -27,9 +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) #define TSC2007_MEASURE_AUX (0x2 << 4) #define TSC2007_MEASURE_TEMP1 (0x4 << 4) @@ -75,6 +72,9 @@ struct tsc2007 { u16 model; u16 x_plate_ohms; + u16 max_rt; + unsigned long poll_delay; + unsigned long poll_period; bool pendown; int irq; @@ -156,6 +156,7 @@ static void tsc2007_work(struct work_struct *work) { struct tsc2007 *ts = container_of(to_delayed_work(work), struct tsc2007, work); + bool debounced = false; struct ts_event tc; u32 rt; @@ -184,13 +185,14 @@ 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, * repeat at least once more the measurement. */ dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt); + debounced = true; goto out; } @@ -225,9 +227,9 @@ static void tsc2007_work(struct work_struct *work) } out: - if (ts->pendown) + 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); } @@ -239,7 +241,7 @@ 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) @@ -292,6 +294,9 @@ 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->poll_period = pdata->poll_period ? : 1; ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; @@ -305,9 +310,10 @@ static int __devinit tsc2007_probe(struct i2c_client *client, input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - input_set_abs_params(input_dev, ABS_X, 0, MAX_12BIT, 0, 0); - input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, 0, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_12BIT, 0, 0); + input_set_abs_params(input_dev, ABS_X, 0, MAX_12BIT, pdata->fuzzx, 0); + input_set_abs_params(input_dev, ABS_Y, 0, MAX_12BIT, pdata->fuzzy, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_12BIT, + pdata->fuzzz, 0); if (pdata->init_platform_hw) pdata->init_platform_hw(); |