ALSA: hda - Add codec->no_jack_detect flag

commit 71b1e9e43d5199f57c109e20c0f4dffc5c048130 upstream.

Add a new flag to indicate that the codec has no jack-detection cap.
This flag should be set for hardwares that have no jack-detect
implementation although the codec chip itself supports it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
[bwh: Backported to 3.2: adjust filename and context for is_jack_detectable()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 71f6744..78b2223 100644 (file)
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -858,6 +858,7 @@ struct hda_codec {
        unsigned int pins_shutup:1;     /* pins are shut up */
        unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
        unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
+       unsigned int no_jack_detect:1;  /* Machine has no jack-detection */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        unsigned int power_on :1;       /* current (global) power-state */
        unsigned int power_transition :1; /* power-state in transition */

diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 368f0c5..c78b753 100644 (file)
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -515,6 +515,8 @@ 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)
 {
+       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 &&