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>
This commit is contained in:
parent
cfd5d09691
commit
fa45255ee7
|
@ -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)) {
|
||||
|
|
Loading…
Reference in a new issue