From: Takashi Iwai Date: Fri, 27 Nov 2009 11:22:44 +0000 (+0100) Subject: ALSA: hda - Don't trigger pin-sense for STAC/IDT codecs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bfc9902599549736b9c6445e1e2235b8542f64a6;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git ALSA: hda - Don't trigger pin-sense for STAC/IDT codecs STAC/IDT codecs seem to behave weird when SET_PIN_SENSE verb is issued before reading the jack-detection although the TRIG_REQ pin capability is given by the hardware. Since snd_hda_jack_detect() issues the SET_PIN_SENSE verb simply judging from the pincap, we have to revert the change in the commit d56757abc11a21996d9839c0d4e3b2c3666cd318 ALSA: hda - Replace the rest of jack-detections with snd_hda_jack_detect() to plain GET_PIN_SENSE verb without triggering. Reported-by: Jiri Slaby Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 2a45375d79f8..6b0bc040c3b1 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -4440,7 +4440,14 @@ static inline int get_pin_presence(struct hda_codec *codec, hda_nid_t nid) { if (!nid) return 0; - return snd_hda_jack_detect(codec, nid); + /* NOTE: we can't use snd_hda_jack_detect() here because STAC/IDT + * codecs behave wrongly when SET_PIN_SENSE is triggered, although + * the pincap gives TRIG_REQ bit. + */ + if (snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_SENSE, 0) & + AC_PINSENSE_PRESENCE) + return 1; + return 0; } static void stac92xx_line_out_detect(struct hda_codec *codec,