Input: ads7864 - check return value of regulator enable
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>
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@ -236,7 +236,12 @@ static void __ads7846_disable(struct ads7846 *ts)
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/* Must be called with ts->lock held */
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static void __ads7846_enable(struct ads7846 *ts)
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{
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regulator_enable(ts->reg);
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int error;
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error = regulator_enable(ts->reg);
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if (error != 0)
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dev_err(&ts->spi->dev, "Failed to enable supply: %d\n", error);
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ads7846_restart(ts);
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}
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