Some revisions of the 92hd8xxx codec's not supporting port power downs in which the using of it causes capture and also randomly playback streams to not function at all. Thus by disabling it by default and adding a option to enable it manually will fix all issue on current and future revisions.

Signed-by-off: Matthew Ranostay mranostay@embeddedalley.com ---

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index 75914bc..2119175 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -349,6 +349,7 @@ STAC92HD73* STAC92HD83* =========== ref Reference board + mic-ref Reference board with power managment for ports

STAC9872 ======== diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index dbe8b12..156f6fa 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -81,6 +81,7 @@ enum {

enum { STAC_92HD83XXX_REF, + STAC_92HD83XXX_PWR_REF, STAC_92HD83XXX_MODELS };

@@ -1734,10 +1735,12 @@ static unsigned int ref92hd83xxx_pin_configs[14] = {

static unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = { [STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs, + [STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs, };

static const char *stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = { [STAC_92HD83XXX_REF] = "ref", + [STAC_92HD83XXX_PWR_REF] = "mic-ref", };

static struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { @@ -4781,13 +4784,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) AC_VERB_SET_CONNECT_SEL, num_dacs);

spec->init = stac92hd83xxx_core_init; - switch (codec->vendor_id) { - case 0x111d7605: - break; - default: - spec->num_pwrs--; - } - spec->mixer = stac92hd83xxx_mixer; spec->num_pins = ARRAY_SIZE(stac92hd83xxx_pin_nids); spec->num_dmuxes = ARRAY_SIZE(stac92hd83xxx_dmux_nids); @@ -4813,6 +4809,15 @@ again: return err; }

+ switch (codec->vendor_id) { + case 0x111d7604: + case 0x111d7605: + if (spec->board_config == STAC_92HD83XXX_PWR_REF) + break; + spec->num_pwrs = 0; + break; + } + err = stac92xx_parse_auto_config(codec, 0x1d, 0); if (!err) { if (spec->board_config < 0) {