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Commit 405570b4 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Jonathan Cameron
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 02e9a0ff

drivers/iio/adc/ad7791.c

+3 −5
Original line number Diff line number Diff line
@@ -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)