[PATCH 29/33] ALSA: oxfw: use match_string() helper

Yisheng Xie
2018-05-21T12:09:40Z

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

Cc: Clemens Ladisch <clemens@ladisch.de>
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/firewire/oxfw/oxfw.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 413ab63..1e5b2c8 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -49,7 +49,6 @@ static bool detect_loud_models(struct fw_unit *unit)
"Tapco LINK.firewire 4x6",
"U.420"};
char model[32];
- unsigned int i;
int err;

err = fw_csr_string(unit->directory, CSR_MODEL,
@@ -57,12 +56,7 @@ static bool detect_loud_models(struct fw_unit *unit)
if (err < 0)
return false;

- for (i = 0; i < ARRAY_SIZE(models); i++) {
- if (strcmp(models[i], model) == 0)
- break;
- }
-
- return (i < ARRAY_SIZE(models));
+ return match_string(models, ARRAY_SIZE(models), model) >= 0;
}

static int name_card(struct snd_oxfw *oxfw)
--
1.7.12.4