[PATCH 31/33] ASoC: max98088: use match_string() helper

Yisheng Xie
2018-05-21T12:11:23Z

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