[PATCH] ASoC: max98095: use match_string() helper

[Xie Yisheng]

match_string() returns the index of an array for a matching string,
which can be used instead of open coded variant.

Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/codecs/max98095.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index 6bf2d0ba864f..3b3a10da7f40 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -1634,15 +1634,12 @@ static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
 static int max98095_get_bq_channel(struct snd_soc_component *component,
 				   const char *name)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(bq_mode_name); i++)
-		if (strcmp(name, bq_mode_name[i]) == 0)
-			return i;
+	int ret;
 
-	/* Shouldn't happen */
-	dev_err(component->dev, "Bad biquad channel name '%s'\n", name);
-	return -EINVAL;
+	ret = match_string(bq_mode_name, ARRAY_SIZE(bq_mode_name), name);
+	if (ret < 0)
+		dev_err(component->dev, "Bad biquad channel name '%s'\n", name);
+	return ret;
 }
 
 static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
-- 
2.17.0