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ALSA: x86: hdmi: select CONFIG_SND_PCM

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The newly added driver uses the PCM helpers and fails to link if they are disabled:

sound/built-in.o: In function `hdmi_lpe_audio_runtime_suspend':
intel_hdmi_audio.c:(.text+0x15906): undefined reference to `snd_pcm_suspend'
sound/built-in.o: In function `had_pcm_hw_params':
intel_hdmi_audio.c:(.text+0x15ac7): undefined reference to `snd_pcm_lib_malloc_pages'
sound/built-in.o: In function `had_pcm_open':
intel_hdmi_audio.c:(.text+0x15d49): undefined reference to `snd_pcm_hw_constraint_integer'

This uses a Kconfig 'select' statement to make sure they are enabled.

Fixes: 5dab11d897 ("ALSA: x86: hdmi: Add audio support for BYT and CHT")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Arnd Bergmann 2017-02-21 23:02:37 +01:00 committed by Takashi Iwai
parent 0b6b524f39
commit 4b49f0f7ee
1 changed files with 1 additions and 0 deletions
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sound/x86/Kconfig
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@ -9,6 +9,7 @@ if SND_X86
config HDMI_LPE_AUDIO
tristate "HDMI audio without HDaudio on Intel Atom platforms"
depends on DRM_I915
select SND_PCM
help
Choose this option to support HDMI LPE Audio mode