diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 3 | ||||
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 62 |
2 files changed, 63 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 59991560d492..dd0d99d2ad27 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -262,6 +262,9 @@ enum { #define AC_PINCTL_OUT_EN (1<<6) #define AC_PINCTL_HP_EN (1<<7) +/* Unsolicited response - 8bit */ +#define AC_USRSP_EN (1<<7) + /* configuration default - 32bit */ #define AC_DEFCFG_SEQUENCE (0xf<<0) #define AC_DEFCFG_DEF_ASSOC (0xf<<4) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 07d06f7c4390..9d503da7320d 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -36,6 +36,10 @@ #undef STAC_TEST +#define NUM_CONTROL_ALLOC 32 +#define STAC_HP_EVENT 0x37 +#define STAC_UNSOL_ENABLE (AC_USRSP_EN | STAC_HP_EVENT) + struct sigmatel_spec { snd_kcontrol_new_t *mixers[4]; unsigned int num_mixers; @@ -507,8 +511,6 @@ static int stac92xx_build_pcms(struct hda_codec *codec) return 0; } -#define NUM_CONTROL_ALLOC 32 - enum { STAC_CTL_WIDGET_VOL, STAC_CTL_WIDGET_MUTE, @@ -617,10 +619,18 @@ static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec, struct auto_pin hda_nid_t pin = cfg->hp_pin; hda_nid_t nid; int i, err; + unsigned int wid_caps; if (! pin) return 0; + wid_caps = snd_hda_param_read(codec, pin, AC_PAR_AUDIO_WIDGET_CAP); + if (wid_caps & AC_WCAP_UNSOL_CAP) + /* Enable unsolicited responses on the HP widget */ + snd_hda_codec_write(codec, pin, 0, + AC_VERB_SET_UNSOLICITED_ENABLE, + STAC_UNSOL_ENABLE); + nid = snd_hda_codec_read(codec, pin, 0, AC_VERB_GET_CONNECT_LIST, 0) & 0xff; for (i = 0; i < cfg->line_outs; i++) { if (! spec->multiout.dac_nids[i]) @@ -828,6 +838,53 @@ static void stac92xx_free(struct hda_codec *codec) kfree(spec); } +static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid, + unsigned int flag) +{ + unsigned int pin_ctl = snd_hda_codec_read(codec, nid, + 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00); + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pin_ctl | flag); +} + +static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid, + unsigned int flag) +{ + unsigned int pin_ctl = snd_hda_codec_read(codec, nid, + 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00); + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pin_ctl & ~flag); +} + +static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res) +{ + struct sigmatel_spec *spec = codec->spec; + struct auto_pin_cfg *cfg = &spec->autocfg; + int i, presence; + + if ((res >> 26) != STAC_HP_EVENT) + return; + + presence = snd_hda_codec_read(codec, cfg->hp_pin, 0, + AC_VERB_GET_PIN_SENSE, 0x00) >> 31; + + if (presence) { + /* disable lineouts, enable hp */ + for (i = 0; i < cfg->line_outs; i++) + stac92xx_reset_pinctl(codec, cfg->line_out_pins[i], + AC_PINCTL_OUT_EN); + stac92xx_set_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN); + } else { + /* enable lineouts, disable hp */ + for (i = 0; i < cfg->line_outs; i++) + stac92xx_set_pinctl(codec, cfg->line_out_pins[i], + AC_PINCTL_OUT_EN); + stac92xx_reset_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN); + } +} + #ifdef CONFIG_PM static int stac92xx_resume(struct hda_codec *codec) { @@ -851,6 +908,7 @@ static struct hda_codec_ops stac92xx_patch_ops = { .build_pcms = stac92xx_build_pcms, .init = stac92xx_init, .free = stac92xx_free, + .unsol_event = stac92xx_unsol_event, #ifdef CONFIG_PM .resume = stac92xx_resume, #endif |