ALSA: oxygen: 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.

Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 7 insertions, 7 deletions

diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index 4ca12665ff73..81af21ac1439 100644
--- a/sound/pci/oxygen/oxygen_mixer.c
+++ b/sound/pci/oxygen/oxygen_mixer.c
@@ -1052,10 +1052,10 @@ static int add_controls(struct oxygen *chip,
                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
         };
-        unsigned int i, j;
+        unsigned int i;
         struct snd_kcontrol_new template;
         struct snd_kcontrol *ctl;
-        int err;
+        int j, err;
 
         for (i = 0; i < count; ++i) {
                 template = controls[i];
@@ -1086,11 +1086,11 @@ static int add_controls(struct oxygen *chip,
                 err = snd_ctl_add(chip->card, ctl);
                 if (err < 0)
                         return err;
-                for (j = 0; j < CONTROL_COUNT; ++j)
-                        if (!strcmp(ctl->id.name, known_ctl_names[j])) {
-                                chip->controls[j] = ctl;
-                                ctl->private_free = oxygen_any_ctl_free;
-                        }
+                j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
+                if (j >= 0) {
+                        chip->controls[j] = ctl;
+                        ctl->private_free = oxygen_any_ctl_free;
+                }
         }
         return 0;
 }