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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-06-09 15:08:10 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2017-06-11 17:07:35 +0300 |
| commit | 405570b4a5c9402f66843be832e44c2ffd70aa01 (patch) | |
| tree | 4f0e14a8237cd1f808f4b5d0aba16e6c5d2ed122 /drivers/iio/adc/ad7791.c | |
| parent | 02e9a0ff0d7a3c9eadbff698b7146c9eaac86708 (diff) | |
| download | linux-405570b4a5c9402f66843be832e44c2ffd70aa01.tar.xz | |
iio: adc: ad7791: Use sysfs_match_string() helper
Use sysfs_match_string() helper instead of open coded variant.
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/adc/ad7791.c')
| -rw-r--r-- | drivers/iio/adc/ad7791.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index 1817ebf5ad84..34e353c43ac8 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -272,11 +272,9 @@ static ssize_t ad7791_write_frequency(struct device *dev, struct ad7791_state *st = iio_priv(indio_dev); int i, ret; - for (i = 0; i < ARRAY_SIZE(ad7791_sample_freq_avail); i++) - if (sysfs_streq(ad7791_sample_freq_avail[i], buf)) - break; - if (i == ARRAY_SIZE(ad7791_sample_freq_avail)) - return -EINVAL; + i = sysfs_match_string(ad7791_sample_freq_avail, buf); + if (i < 0) + return i; ret = iio_device_claim_direct_mode(indio_dev); if (ret) |