ALSA: soc - Fix compile warnings in wm8903.c

Hide annoying uninitialized warnings:
  sound/soc/codecs/wm8903.c:382: warning: ‘reg’ may be used uninitialized in this function
  sound/soc/codecs/wm8903.c:383: warning: ‘shift’ may be used uninitialized in this function

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index efbe8927b7d2..78070b2cd480 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -379,8 +379,8 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
         struct wm8903_priv *wm8903 = codec->private_data;
         struct i2c_client *i2c = codec->control_data;
         u16 val;
-        u16 reg;
-        int shift;
+        u16 uninitialized_var(reg);
+        int uninitialized_var(shift);
         u16 cp_reg = wm8903_read(codec, WM8903_CHARGE_PUMP_0);
 
         switch (w->reg) {