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ALSA: hda - Optimize audio component check in patch_hdmi.c

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The audio component is enabled only when CONFIG_SND_HDA_I915 is set.
Give a dummy macro for allowing the compiler optimize out the relevant
codes when this Kconfig isn't set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-12-10 13:01:28 +01:00
parent c83d1b37d4
commit f4e3040bf0
1 changed files with 4 additions and 0 deletions
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4
sound/pci/hda/patch_hdmi.c
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@ -152,8 +152,12 @@ struct hdmi_spec {
struct i915_audio_component_audio_ops i915_audio_ops;
};
#ifdef CONFIG_SND_HDA_I915
#define codec_has_acomp(codec) \
((codec)->bus->core.audio_component != NULL)
#else
#define codec_has_acomp(codec) false
#endif
struct hdmi_audio_infoframe {
u8 type; /* 0x84 */