[PATCH -next] ALSA: pci: echoaudio: remove set but not used variable 'chip'

[YueHaibing]

sound/pci/echoaudio/echoaudio.c: In function snd_echo_mixer_info:
sound/pci/echoaudio/echoaudio.c:1233:20: warning: variable chip set but not used [-Wunused-but-set-variable]
sound/pci/echoaudio/echoaudio.c: In function 'snd_echo_vmixer_info':
sound/pci/echoaudio/echoaudio.c:1300:20: warning: variable 'chip' set but not used [-Wunused-but-set-variable]

commit e67c3f0fd44c ("ALSA: pci: echoaudio: remove usage
of dimen menber of elem_value structure") left behind this
unused variable.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 sound/pci/echoaudio/echoaudio.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 07fe0b3..0941a7a 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -1230,9 +1230,6 @@ static const struct snd_kcontrol_new snd_echo_intput_nominal_level = {
 static int snd_echo_mixer_info(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_info *uinfo)
 {
-	struct echoaudio *chip;
-
-	chip = snd_kcontrol_chip(kcontrol);
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
 	uinfo->value.integer.min = ECHOGAIN_MINOUT;
@@ -1300,9 +1297,6 @@ static struct snd_kcontrol_new snd_echo_monitor_mixer = {
 static int snd_echo_vmixer_info(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_info *uinfo)
 {
-	struct echoaudio *chip;
-
-	chip = snd_kcontrol_chip(kcontrol);
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
 	uinfo->value.integer.min = ECHOGAIN_MINOUT;
-- 
2.7.4