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| author | Takashi Iwai <tiwai@suse.de> | 2005-10-11 15:05:54 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-11-04 13:18:29 +0100 |
| commit | 86284e458b48ffb6f9849673880f8342dee5b76a (patch) | |
| tree | 02e6af9a1522ab520b69250bd296e3649540989c /sound | |
| parent | 93b9f426374a07d46f582fdf284e4e26d8fe9756 (diff) | |
| download | blackbird-obmc-linux-86284e458b48ffb6f9849673880f8342dee5b76a.tar.gz blackbird-obmc-linux-86284e458b48ffb6f9849673880f8342dee5b76a.zip | |
[ALSA] hda-codec - Get subsystem ID from AFG/MFG
Modules: HDA Codec driver
Get subsytem ID from AFG/MFG if not obtained from the root node.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 7 | ||||
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3815403ed095..57b5a0a83c8d 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -518,6 +518,13 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, return -ENODEV; } + if (! codec->subsystem_id) { + hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; + codec->subsystem_id = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_SUBSYSTEM_ID, + 0); + } + codec->preset = find_codec_preset(codec); if (! *bus->card->mixername) snd_hda_get_codec_name(codec, bus->card->mixername, diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index bb53bcf76742..1179d6cfa82a 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -79,6 +79,8 @@ enum { #define AC_VERB_GET_GPIO_MASK 0x0f16 #define AC_VERB_GET_GPIO_DIRECTION 0x0f17 #define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c +/* f20: AFG/MFG */ +#define AC_VERB_GET_SUBSYSTEM_ID 0x0f20 /* * SET verbs |
