diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-04-15 17:25:03 +0000 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2009-04-27 10:37:01 -0700 |
| commit | edc9c87244b85102863440a9fd84024414fdc179 (patch) | |
| tree | 179de97323b25dcf369827c97dce22fa2f729065 | |
| parent | 926e66275ddb852a4a4686df9b6b0f760746c7a3 (diff) | |
ALSA: hda - Fix the cmd cache keys for amp verbs
upstream commit: fcad94a4c71c36a05f4d5c6dcb174534b4e0b136
Fix the key value generation for get/set amp verbs. The upper bits of
the parameter have to be combined with the verb value to be unique for
each direction/index of amp access.
This fixes the resume problem on some hardwares like Macbook after
the channel mode is changed.
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index d03f99298be..cef1ce05b18 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2003,7 +2003,11 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, err = bus->ops.command(bus, res); if (!err) { struct hda_cache_head *c; - u32 key = build_cmd_cache_key(nid, verb); + u32 key; + /* parm may contain the verb stuff for get/set amp */ + verb = verb | (parm >> 8); + parm &= 0xff; + key = build_cmd_cache_key(nid, verb); c = get_alloc_hash(&codec->cmd_cache, key); if (c) c->val = parm; |