diff options
Diffstat (limited to 'drivers/iio/adc/lpc32xx_adc.c')
| -rw-r--r-- | drivers/iio/adc/lpc32xx_adc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iio/adc/lpc32xx_adc.c b/drivers/iio/adc/lpc32xx_adc.c index 0de709b4288b..6a5b9a9bc662 100644 --- a/drivers/iio/adc/lpc32xx_adc.c +++ b/drivers/iio/adc/lpc32xx_adc.c @@ -76,10 +76,14 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, long mask) { struct lpc32xx_adc_state *st = iio_priv(indio_dev); - + int ret; if (mask == IIO_CHAN_INFO_RAW) { mutex_lock(&indio_dev->mlock); - clk_prepare_enable(st->clk); + ret = clk_prepare_enable(st->clk); + if (ret) { + mutex_unlock(&indio_dev->mlock); + return ret; + } /* Measurement setup */ __raw_writel(LPC32XXAD_INTERNAL | (chan->address) | LPC32XXAD_REFp | LPC32XXAD_REFm, |