diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-11-14 08:53:42 -0500 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-11-19 12:38:32 -0500 |
| commit | 7eba5c9dc3735b14e3df7366671adc15e0c8a048 (patch) | |
| tree | 861964ee416186daf70408eb7da6be77fa42b301 /sound/pci/hda/hda_codec.c | |
| parent | 60fac85fffc74cdd2fbdae821f269594ca25b6b1 (diff) | |
[ALSA] hda-codec - Check PINCAP only for PIN widgets
The recent addition of checking PINCAP for EAPD seems to break some
systems due to unexpected response from the codec chip. We shouldn't
issue GET_PINCAP verb to non-PIN widgets. Now checks the widget type
before checking EAPD bit.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b52f56ffedf4..8cbe3bf1e317 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c | |||
| @@ -1625,19 +1625,26 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, | |||
| 1625 | 1625 | ||
| 1626 | nid = codec->start_nid; | 1626 | nid = codec->start_nid; |
| 1627 | for (i = 0; i < codec->num_nodes; i++, nid++) { | 1627 | for (i = 0; i < codec->num_nodes; i++, nid++) { |
| 1628 | if (get_wcaps(codec, nid) & AC_WCAP_POWER) { | 1628 | unsigned int wcaps = get_wcaps(codec, nid); |
| 1629 | unsigned int pincap; | 1629 | if (wcaps & AC_WCAP_POWER) { |
| 1630 | /* | 1630 | unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >> |
| 1631 | * don't power down the widget if it controls eapd | 1631 | AC_WCAP_TYPE_SHIFT; |
| 1632 | * and EAPD_BTLENABLE is set. | 1632 | if (wid_type == AC_WID_PIN) { |
| 1633 | */ | 1633 | unsigned int pincap; |
| 1634 | pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); | 1634 | /* |
| 1635 | if (pincap & AC_PINCAP_EAPD) { | 1635 | * don't power down the widget if it controls |
| 1636 | int eapd = snd_hda_codec_read(codec, nid, | 1636 | * eapd and EAPD_BTLENABLE is set. |
| 1637 | 0, AC_VERB_GET_EAPD_BTLENABLE, 0); | 1637 | */ |
| 1638 | eapd &= 0x02; | 1638 | pincap = snd_hda_param_read(codec, nid, |
| 1639 | if (power_state == AC_PWRST_D3 && eapd) | 1639 | AC_PAR_PIN_CAP); |
| 1640 | continue; | 1640 | if (pincap & AC_PINCAP_EAPD) { |
| 1641 | int eapd = snd_hda_codec_read(codec, | ||
| 1642 | nid, 0, | ||
| 1643 | AC_VERB_GET_EAPD_BTLENABLE, 0); | ||
| 1644 | eapd &= 0x02; | ||
| 1645 | if (power_state == AC_PWRST_D3 && eapd) | ||
| 1646 | continue; | ||
| 1647 | } | ||
| 1641 | } | 1648 | } |
| 1642 | snd_hda_codec_write(codec, nid, 0, | 1649 | snd_hda_codec_write(codec, nid, 0, |
| 1643 | AC_VERB_SET_POWER_STATE, | 1650 | AC_VERB_SET_POWER_STATE, |