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Commit f57c2565 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add snd_hda_override_pin_caps() helper function 



Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 2d9f8a6e

sound/pci/hda/hda_codec.c

+23 −0
Original line number Diff line number Diff line
@@ -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

sound/pci/hda/hda_local.h

+2 −0
Original line number Diff line number Diff line
@@ -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);