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| author | Markus Pargmann <mpa@pengutronix.de> | 2013-03-09 15:20:50 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-12 08:50:19 -0700 |
| commit | fa45255ee72649bd061116f7d3a765f5784bf078 (patch) | |
| tree | 8ca2e5caecee1ac127abbd2ec859e4ccdff1a7a8 /drivers/input/touchscreen/wm9712.c | |
| parent | cfd5d09691ee188a36c00f5c3b220fbf082a78d7 (diff) | |
| download | linux-fa45255ee72649bd061116f7d3a765f5784bf078.tar.gz linux-fa45255ee72649bd061116f7d3a765f5784bf078.tar.bz2 linux-fa45255ee72649bd061116f7d3a765f5784bf078.zip | |
Input: wm9712 - fix return code for wrong sample
Instead of interpreting a wrong measurement as pen up, we should
try to read again.
Based on wm9712: pen up by Teresa Gámez and Christian Hemp.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen/wm9712.c')
| -rw-r--r-- | drivers/input/touchscreen/wm9712.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c index 6e743e3dfda4..a983da1744e8 100644 --- a/drivers/input/touchscreen/wm9712.c +++ b/drivers/input/touchscreen/wm9712.c @@ -298,7 +298,7 @@ static int wm9712_poll_sample(struct wm97xx *wm, int adcsel, int *sample) dev_dbg(wm->dev, "adc wrong sample, wanted %x got %x", adcsel & WM97XX_ADCSEL_MASK, *sample & WM97XX_ADCSEL_MASK); - return RC_PENUP; + return RC_AGAIN; } if (wants_pen && !(*sample & WM97XX_PEN_DOWN)) { |