diff options
Diffstat (limited to 'sound/pci/hda/hda_jack.c')
| -rw-r--r-- | sound/pci/hda/hda_jack.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index 9d819c4b492..d68948499fb 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -19,6 +19,22 @@ #include "hda_local.h" #include "hda_jack.h" +bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid) +{ + if (codec->no_jack_detect) + return false; + if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT)) + return false; + if (!codec->ignore_misc_bit && + (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) & + AC_DEFCFG_MISC_NO_PRESENCE)) + return false; + if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP)) + return false; + return true; +} +EXPORT_SYMBOL_HDA(is_jack_detectable); + /* execute pin sense measurement */ static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid) { |