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authorSubhransu S. Prusty <subhransu.s.prusty@intel.com>2015-10-08 09:48:05 +0100
committerTakashi Iwai <tiwai@suse.de>2015-10-08 19:09:30 +0200
commit1b5e6167c27e1d3be33155baf9660768ac74aae0 (patch)
treeec2fa666b7092f8d99ce2afe40300ab07e6200a5 /include/sound
parenta04267fd87b62cd03d2a2ebb05a5b38d272e8d11 (diff)
downloadlinux-linaro-stable-1b5e6167c27e1d3be33155baf9660768ac74aae0.tar.gz
ALSA: hdac: Copy codec helpers to core
The current codec helpers are local to hda code and needs to be moved to core so that other users can use it. The helpers to read/write the codec and to check the power state of widgets is copied Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/hdaudio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 49bc836fcd84..26e956f4b7c6 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -147,6 +147,12 @@ int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,
bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,
unsigned int format);
+int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid,
+ int flags, unsigned int verb, unsigned int parm);
+int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid,
+ int flags, unsigned int verb, unsigned int parm);
+bool snd_hdac_check_power_state(struct hdac_device *hdac,
+ hda_nid_t nid, unsigned int target_state);
/**
* snd_hdac_read_parm - read a codec parameter
* @codec: the codec object