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From:   Yisheng Xie <xieyisheng1@huawei.com>
To:     <linux-kernel@vger.kernel.org>
CC:     Yisheng Xie <xieyisheng1@huawei.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Jaroslav Kysela <perex@perex.cz>,
        "Takashi Iwai" <tiwai@suse.com>, <alsa-devel@alsa-project.org>
Subject: [PATCH 31/33] ASoC: max98088: use match_string() helper
Date:   Mon, 21 May 2018 19:58:08 +0800
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match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
---
 sound/soc/codecs/max98088.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index 865f64c..7383f90 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -1382,14 +1382,11 @@ static int max98088_set_bias_level(struct snd_soc_component *component,
 
 static int max98088_get_channel(struct snd_soc_component *component, const char *name)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(eq_mode_name); i++)
-		if (strcmp(name, eq_mode_name[i]) == 0)
-			return i;
+	int ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name);
 
 	/* Shouldn't happen */
-	dev_err(component->dev, "Bad EQ channel name '%s'\n", name);
+	if (ret < 0)
+		dev_err(component->dev, "Bad EQ channel name '%s'\n", name);
 	return -EINVAL;
 }
 
-- 
1.7.12.4