[PATCH] ALSA: usb-audio: make array static const, makes object smaller

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From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Don't populate array names_to_check on the stack but instead it
static.  Makes the object code smaller by 56 bytes.

Before:
   text    data     bss     dec     hex filename
 103512   34380       0  137892   21aa4 ./sound/usb/mixer.o

After:
   text    data     bss     dec     hex filename
 103264   34572       0  137836   21a6c ./sound/usb/mixer.o

gcc version 10.2.0)

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 sound/usb/mixer.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index f4cdaf1ba44a..aec2499284a5 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1572,8 +1572,9 @@ static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str)
 static void check_no_speaker_on_headset(struct snd_kcontrol *kctl,
 					struct snd_card *card)
 {
-	const char *names_to_check[] = {
-		"Headset", "headset", "Headphone", "headphone", NULL};
+	static const char *names_to_check[] = {
+		"Headset", "headset", "Headphone", "headphone", NULL
+	};
 	const char **s;
 	bool found = false;
 
-- 
2.31.1




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