ALSA: es1688: Remove set but not used variable 'hw'
Fixes gcc '-Wunused-but-set-variable' warning:
sound/isa/es1688/es1688_lib.c: In function 'snd_es1688_probe':
sound/isa/es1688/es1688_lib.c:124:31: warning:
variable 'hw' set but not used [-Wunused-but-set-variable]
unsigned short major, minor, hw;
^
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index da34196..1d9556c 100644
--- a/sound/isa/es1688/es1688_lib.c
+++ b/sound/isa/es1688/es1688_lib.c
@@ -121,7 +121,7 @@ EXPORT_SYMBOL(snd_es1688_reset);
static int snd_es1688_probe(struct snd_es1688 *chip)
{
unsigned long flags;
- unsigned short major, minor, hw;
+ unsigned short major, minor;
int i;
/*
@@ -166,14 +166,12 @@ static int snd_es1688_probe(struct snd_es1688 *chip)
if (!chip->version)
return -ENODEV; /* probably SB */
- hw = ES1688_HW_AUTO;
switch (chip->version & 0xfff0) {
case 0x4880:
snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, "
"but driver is in another place\n", chip->port);
return -ENODEV;
case 0x6880:
- hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688;
break;
default:
snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip "