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ALSA: hda - Check NO_PRESENCE pincfg default bit

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HD-audio spec defines a bit in pin default configuration for indicating
that the pin isn't used for jack-detection although the codec is capable
of it.  Better to check this bit as well in jack_is_detectable() helper
function.

Reported-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-11-02 07:44:11 +01:00
parent 700cc5c94f
commit 08a1f5eb43
1 changed files with 4 additions and 0 deletions
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4
sound/pci/hda/hda_local.h
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@ -442,6 +442,8 @@ struct auto_pin_cfg {
(cfg & AC_DEFCFG_SEQUENCE)
#define get_defcfg_device(cfg) \
((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
#define get_defcfg_misc(cfg) \
((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
/* bit-flags for snd_hda_parse_pin_def_config() behavior */
#define HDA_PINCFG_NO_HP_FIXUP (1 << 0) /* no HP-split */
@ -509,6 +511,8 @@ int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
{
return (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT) &&
!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid) &
AC_DEFCFG_MISC_NO_PRESENCE)) &&
(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP);
}