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authorTakashi Iwai <tiwai@suse.de>2012-02-13 11:55:02 +0100
committerBen Hutchings <ben@decadent.org.uk>2012-06-19 23:18:17 +0100
commit76c8103ac650773cc31f3de8713ea68919b357b8 (patch)
tree66c84d2a1eb0f89012c46af7bf86b831506399ff
parentcbb05493366d341a1b66b2bf7488b4957ffc7e75 (diff)
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>
-rw-r--r--sound/pci/hda/hda_codec.h1
-rw-r--r--sound/pci/hda/hda_local.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 71f67446c30f..78b22237050e 100644
--- 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 368f0c513819..c78b753e0fc0 100644
--- 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 &&