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ALSA: hda/realtek - Fix unused variable warning w/o CONFIG_LEDS_TRIGGER_AUDIO

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Cover with a proper ifdef around the variable declaration for fixing
the following compilation warning without CONFIG_LEDS_TRIGGER_AUDIO:
  sound/pci/hda/patch_realtek.c: In function 'alc_fixup_hp_gpio_led':
  sound/pci/hda/patch_realtek.c:4134:6: warning: unused variable 'err' [-Wunused-variable]

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 87dc36482c ("ALSA: hda/realtek - Add LED class support for micmute LED")
Link: https://lore.kernel.org/r/20200501072857.13720-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-05-01 09:28:56 +02:00
parent 87dc36482c
commit 0127f59794
1 changed files with 2 additions and 0 deletions
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2
sound/pci/hda/patch_realtek.c
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@ -4131,7 +4131,9 @@ static void alc_fixup_hp_gpio_led(struct hda_codec *codec,
unsigned int micmute_mask)
{
struct alc_spec *spec = codec->spec;
#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO)
int err;
#endif
alc_fixup_gpio(codec, action, mute_mask | micmute_mask);