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ALSA: hda - Add snd_hda_override_pin_caps() helper function

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Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-08-15 12:49:07 +02:00
parent 2d9f8a6e73
commit f57c25650b
2 changed files with 25 additions and 0 deletions
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23
sound/pci/hda/hda_codec.c
View file

@ -1692,6 +1692,29 @@ u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
}
EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
/**
* snd_hda_override_pin_caps - Override the pin capabilities
* @codec: the CODEC
* @nid: the NID to override
* @caps: the capability bits to set
*
* Override the cached PIN capabilitiy bits value by the given one.
*
* Returns zero if successful or a negative error code.
*/
int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
unsigned int caps)
{
struct hda_amp_info *info;
info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
if (!info)
return -ENOMEM;
info->amp_caps = caps;
info->head.val |= INFO_AMP_CAPS;
return 0;
}
EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps);
/**
* snd_hda_pin_sense - execute pin sense measurement
* @codec: the CODEC to sense

2
sound/pci/hda/hda_local.h
View file

@ -492,6 +492,8 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
unsigned int caps);
u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
unsigned int caps);
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);