From: Yisheng Xie <xieyisheng1@huawei.com>
Date: Mon, 21 May 2018 11:58:06 +0000 (+0800)
Subject: ALSA: oxfw: use match_string() helper
X-Git-Tag: v4.19~773^2~17^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2cc47d31ebf967cfca74045ac8fc9bb742f17ab3;p=platform%2Fkernel%2Flinux-rpi.git

ALSA: oxfw: use match_string() helper

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

Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

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)