diff options
author | Matthew Ranostay <mranostay@embeddedalley.com> | 2008-04-14 07:32:54 -0400 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 06:00:35 -0400 |
commit | 0fc9dec46fae19da9899c580a6b870202103f8bb (patch) | |
tree | e744a618b904a65969ee27fd3ed441e761bfbe60 /sound/pci/hda | |
parent | 780c8be4ab6c7baf5cdfa1102f56480acb8a2479 (diff) |
[ALSA] hda: EAPD power management
Power management support for EAPD enabled laptops, when headphones
are sensed it pulls the EAPD GPIO line low to power it down.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
-rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index d79580c29862..e1d07ab5cd15 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c | |||
@@ -129,6 +129,7 @@ struct sigmatel_spec { | |||
129 | unsigned int hp_detect: 1; | 129 | unsigned int hp_detect: 1; |
130 | 130 | ||
131 | /* gpio lines */ | 131 | /* gpio lines */ |
132 | unsigned int eapd_mask; | ||
132 | unsigned int gpio_mask; | 133 | unsigned int gpio_mask; |
133 | unsigned int gpio_dir; | 134 | unsigned int gpio_dir; |
134 | unsigned int gpio_data; | 135 | unsigned int gpio_data; |
@@ -3183,6 +3184,10 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) | |||
3183 | for (i = 0; i < cfg->speaker_outs; i++) | 3184 | for (i = 0; i < cfg->speaker_outs; i++) |
3184 | stac92xx_reset_pinctl(codec, cfg->speaker_pins[i], | 3185 | stac92xx_reset_pinctl(codec, cfg->speaker_pins[i], |
3185 | AC_PINCTL_OUT_EN); | 3186 | AC_PINCTL_OUT_EN); |
3187 | if (spec->eapd_mask) | ||
3188 | stac_gpio_set(codec, spec->gpio_mask, | ||
3189 | spec->gpio_dir, spec->gpio_data & | ||
3190 | ~spec->eapd_mask); | ||
3186 | } else { | 3191 | } else { |
3187 | /* enable lineouts, disable hp */ | 3192 | /* enable lineouts, disable hp */ |
3188 | for (i = 0; i < cfg->line_outs; i++) | 3193 | for (i = 0; i < cfg->line_outs; i++) |
@@ -3191,6 +3196,10 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) | |||
3191 | for (i = 0; i < cfg->speaker_outs; i++) | 3196 | for (i = 0; i < cfg->speaker_outs; i++) |
3192 | stac92xx_set_pinctl(codec, cfg->speaker_pins[i], | 3197 | stac92xx_set_pinctl(codec, cfg->speaker_pins[i], |
3193 | AC_PINCTL_OUT_EN); | 3198 | AC_PINCTL_OUT_EN); |
3199 | if (spec->eapd_mask) | ||
3200 | stac_gpio_set(codec, spec->gpio_mask, | ||
3201 | spec->gpio_dir, spec->gpio_data | | ||
3202 | spec->eapd_mask); | ||
3194 | } | 3203 | } |
3195 | } | 3204 | } |
3196 | 3205 | ||
@@ -3478,7 +3487,7 @@ again: | |||
3478 | spec->num_dmuxes = ARRAY_SIZE(stac92hd73xx_dmux_nids); | 3487 | spec->num_dmuxes = ARRAY_SIZE(stac92hd73xx_dmux_nids); |
3479 | spec->dinput_mux = &stac92hd73xx_dmux; | 3488 | spec->dinput_mux = &stac92hd73xx_dmux; |
3480 | /* GPIO0 High = Enable EAPD */ | 3489 | /* GPIO0 High = Enable EAPD */ |
3481 | spec->gpio_mask = spec->gpio_dir = 0x1; | 3490 | spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; |
3482 | spec->gpio_data = 0x01; | 3491 | spec->gpio_data = 0x01; |
3483 | 3492 | ||
3484 | switch (spec->board_config) { | 3493 | switch (spec->board_config) { |
@@ -3584,7 +3593,10 @@ again: | |||
3584 | spec->aloopback_shift = 0; | 3593 | spec->aloopback_shift = 0; |
3585 | 3594 | ||
3586 | /* GPIO0 High = EAPD */ | 3595 | /* GPIO0 High = EAPD */ |
3587 | spec->gpio_mask = spec->gpio_dir = spec->gpio_data = 0x1; | 3596 | spec->gpio_mask = 0x01; |
3597 | spec->gpio_dir = 0x01; | ||
3598 | spec->gpio_mask = 0x01; | ||
3599 | spec->gpio_data = 0x01; | ||
3588 | 3600 | ||
3589 | spec->mux_nids = stac92hd71bxx_mux_nids; | 3601 | spec->mux_nids = stac92hd71bxx_mux_nids; |
3590 | spec->adc_nids = stac92hd71bxx_adc_nids; | 3602 | spec->adc_nids = stac92hd71bxx_adc_nids; |
@@ -3770,7 +3782,7 @@ static int patch_stac927x(struct hda_codec *codec) | |||
3770 | case STAC_D965_3ST: | 3782 | case STAC_D965_3ST: |
3771 | case STAC_D965_5ST: | 3783 | case STAC_D965_5ST: |
3772 | /* GPIO0 High = Enable EAPD */ | 3784 | /* GPIO0 High = Enable EAPD */ |
3773 | spec->gpio_mask = spec->gpio_dir = 0x01; | 3785 | spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x01; |
3774 | spec->gpio_data = 0x01; | 3786 | spec->gpio_data = 0x01; |
3775 | spec->num_dmics = 0; | 3787 | spec->num_dmics = 0; |
3776 | 3788 | ||
@@ -3794,7 +3806,7 @@ static int patch_stac927x(struct hda_codec *codec) | |||
3794 | /* fallthru */ | 3806 | /* fallthru */ |
3795 | case STAC_DELL_3ST: | 3807 | case STAC_DELL_3ST: |
3796 | /* GPIO2 High = Enable EAPD */ | 3808 | /* GPIO2 High = Enable EAPD */ |
3797 | spec->gpio_mask = spec->gpio_dir = 0x04; | 3809 | spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x04; |
3798 | spec->gpio_data = 0x04; | 3810 | spec->gpio_data = 0x04; |
3799 | spec->dmic_nids = stac927x_dmic_nids; | 3811 | spec->dmic_nids = stac927x_dmic_nids; |
3800 | spec->num_dmics = STAC927X_NUM_DMICS; | 3812 | spec->num_dmics = STAC927X_NUM_DMICS; |
@@ -3806,7 +3818,7 @@ static int patch_stac927x(struct hda_codec *codec) | |||
3806 | break; | 3818 | break; |
3807 | default: | 3819 | default: |
3808 | /* GPIO0 High = Enable EAPD */ | 3820 | /* GPIO0 High = Enable EAPD */ |
3809 | spec->gpio_mask = spec->gpio_dir = 0x1; | 3821 | spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; |
3810 | spec->gpio_data = 0x01; | 3822 | spec->gpio_data = 0x01; |
3811 | spec->num_dmics = 0; | 3823 | spec->num_dmics = 0; |
3812 | 3824 | ||
@@ -3910,6 +3922,7 @@ static int patch_stac9205(struct hda_codec *codec) | |||
3910 | (AC_USRSP_EN | STAC_HP_EVENT)); | 3922 | (AC_USRSP_EN | STAC_HP_EVENT)); |
3911 | 3923 | ||
3912 | spec->gpio_dir = 0x0b; | 3924 | spec->gpio_dir = 0x0b; |
3925 | spec->eapd_mask = 0x01; | ||
3913 | spec->gpio_mask = 0x1b; | 3926 | spec->gpio_mask = 0x1b; |
3914 | spec->gpio_mute = 0x10; | 3927 | spec->gpio_mute = 0x10; |
3915 | /* GPIO0 High = EAPD, GPIO1 Low = Headphone Mute, | 3928 | /* GPIO0 High = EAPD, GPIO1 Low = Headphone Mute, |
@@ -3919,7 +3932,7 @@ static int patch_stac9205(struct hda_codec *codec) | |||
3919 | break; | 3932 | break; |
3920 | default: | 3933 | default: |
3921 | /* GPIO0 High = EAPD */ | 3934 | /* GPIO0 High = EAPD */ |
3922 | spec->gpio_mask = spec->gpio_dir = 0x1; | 3935 | spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; |
3923 | spec->gpio_data = 0x01; | 3936 | spec->gpio_data = 0x01; |
3924 | break; | 3937 | break; |
3925 | } | 3938 | } |