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ALSA: hda - Add codec->no_jack_detect flag

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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>
This commit is contained in:
Takashi Iwai 2012-02-13 11:55:02 +01:00
parent a9c74173f4
commit 71b1e9e43d
2 changed files with 3 additions and 0 deletions
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1
sound/pci/hda/hda_codec.h
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@ -852,6 +852,7 @@ 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 */

2
sound/pci/hda/hda_jack.c
View file

@ -21,6 +21,8 @@
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 &&