ASoC: dapm: use match_string() helper

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

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-dapm.c

@@ -724,18 +724,14 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
 		item = 0;
 	}
 
-	for (i = 0; i < e->items; i++) {
-		if (!(strcmp(control_name, e->texts[i]))) {
-			path->name = e->texts[i];
-			if (i == item)
-				path->connect = 1;
-			else
-				path->connect = 0;
-			return 0;
-		}
-	}
+	i = match_string(e->texts, e->items, control_name);
+	if (i < 0)
+		return -ENODEV;
+
+	path->name = e->texts[i];
+	path->connect = (i == item);
+	return 0;
 
-	return -ENODEV;
 }
 
 /* set up initial codec paths */