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| author | Vasily Khoruzhick <anarsoul@gmail.com> | 2010-02-20 01:06:20 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-20 01:22:36 -0800 |
| commit | 23c239be223d7427da51656d6f196bde965d9796 (patch) | |
| tree | ab99068105a908f9bf99305fce12f0bae64eae26 /drivers/input/touchscreen/s3c2410_ts.c | |
| parent | 2f09586557ed9b6d50bc8bb5104e70006513bdc2 (diff) | |
| download | lwn-23c239be223d7427da51656d6f196bde965d9796.tar.gz lwn-23c239be223d7427da51656d6f196bde965d9796.zip | |
Input: s3c24xx_ts - report touch only when stylus is down
Currently driver reports touches when it gets (1 << ts.shift) samples,
even if stylus is up, which is incorrect. We should only report coordinates
and touch condition when stylus is down.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/s3c2410_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/s3c2410_ts.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index ffc355e696dc..3755a47d053c 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -128,27 +128,29 @@ static void touch_timer_fire(unsigned long data) down = get_down(data0, data1); - if (ts.count == (1 << ts.shift)) { - ts.xp >>= ts.shift; - ts.yp >>= ts.shift; + if (down) { + if (ts.count == (1 << ts.shift)) { + ts.xp >>= ts.shift; + ts.yp >>= ts.shift; - dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n", - __func__, ts.xp, ts.yp, ts.count); + dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n", + __func__, ts.xp, ts.yp, ts.count); - input_report_abs(ts.input, ABS_X, ts.xp); - input_report_abs(ts.input, ABS_Y, ts.yp); + input_report_abs(ts.input, ABS_X, ts.xp); + input_report_abs(ts.input, ABS_Y, ts.yp); - input_report_key(ts.input, BTN_TOUCH, 1); - input_sync(ts.input); + input_report_key(ts.input, BTN_TOUCH, 1); + input_sync(ts.input); - ts.xp = 0; - ts.yp = 0; - ts.count = 0; - } + ts.xp = 0; + ts.yp = 0; + ts.count = 0; + } - if (down) { s3c_adc_start(ts.client, 0, 1 << ts.shift); } else { + ts.xp = 0; + ts.yp = 0; ts.count = 0; input_report_key(ts.input, BTN_TOUCH, 0); |