[alsa-devel] [PATCH 1/2] ALSA: hda - Optimize audio component check in patch_hdmi.c
Takashi Iwai
tiwai at suse.de
Thu Dec 10 13:11:47 CET 2015
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 at suse.de>
---
sound/pci/hda/patch_hdmi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 85342d261043..44d0d2374bb6 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -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 */
--
2.6.3
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