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Input: ads7864 - check return value of regulator enable

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At least print a warning if we can't power the device up.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Mark Brown 2013-03-03 20:19:07 -08:00 committed by Dmitry Torokhov
parent 3973501971
commit f94352f8db
1 changed files with 6 additions and 1 deletions
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7
drivers/input/touchscreen/ads7846.c
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@ -236,7 +236,12 @@ static void __ads7846_disable(struct ads7846 *ts)
/* Must be called with ts->lock held */ /* Must be called with ts->lock held */
static void __ads7846_enable(struct ads7846 *ts) static void __ads7846_enable(struct ads7846 *ts)
{ {
regulator_enable(ts->reg); int error;
error = regulator_enable(ts->reg);
if (error != 0)
dev_err(&ts->spi->dev, "Failed to enable supply: %d\n", error);
ads7846_restart(ts); ads7846_restart(ts);
} }