[PATCH v1] ASoC: omap-mcbsp: Use sysfs_match_string() helper

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Use sysfs_match_string() helper instead of open coded variant.

Cc: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
Cc: Jarkko Nikula <jarkko.nikula@xxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 sound/soc/omap/mcbsp.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 06fec5699cc8..7a54e3083203 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -835,15 +835,11 @@ static ssize_t dma_op_mode_store(struct device *dev,
 				const char *buf, size_t size)
 {
 	struct omap_mcbsp *mcbsp = dev_get_drvdata(dev);
-	const char * const *s;
-	int i = 0;
-
-	for (s = &dma_op_modes[i]; i < ARRAY_SIZE(dma_op_modes); s++, i++)
-		if (sysfs_streq(buf, *s))
-			break;
+	int i;
 
-	if (i == ARRAY_SIZE(dma_op_modes))
-		return -EINVAL;
+	i = sysfs_match_string(dma_op_modes, buf);
+	if (i < 0)
+		return i;
 
 	spin_lock_irq(&mcbsp->lock);
 	if (!mcbsp->free) {
-- 
2.11.0

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