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| author | Takashi Iwai <tiwai@suse.de> | 2010-09-21 11:26:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-21 11:26:21 +0200 |
| commit | 265a02478db5217eda8063004ded1ef0a461c240 (patch) | |
| tree | 2f6dc49ca61476910903a918ac19bddaa8498e14 | |
| parent | ALSA: hda - Introduce hda_call_check_power_status() helper (diff) | |
| download | linux-265a02478db5217eda8063004ded1ef0a461c240.tar.xz linux-265a02478db5217eda8063004ded1ef0a461c240.zip | |
ALSA: hda - Check invalid NIDs in alc_init_jacks()
The headphone and external-mic pin NIDs can be null, and the jack input
elements should be skipped in such a case.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 9bedca073e9a..f5ccba0fd189 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1087,15 +1087,19 @@ static int alc_init_jacks(struct hda_codec *codec) unsigned int hp_nid = spec->autocfg.hp_pins[0]; unsigned int mic_nid = spec->ext_mic.pin; - err = alc_add_jack(codec, hp_nid, SND_JACK_HEADPHONE); - if (err < 0) - return err; - alc_report_jack(codec, hp_nid); + if (hp_nid) { + err = alc_add_jack(codec, hp_nid, SND_JACK_HEADPHONE); + if (err < 0) + return err; + alc_report_jack(codec, hp_nid); + } - err = alc_add_jack(codec, mic_nid, SND_JACK_MICROPHONE); - if (err < 0) - return err; - alc_report_jack(codec, mic_nid); + if (mic_nid) { + err = alc_add_jack(codec, mic_nid, SND_JACK_MICROPHONE); + if (err < 0) + return err; + alc_report_jack(codec, mic_nid); + } return 0; } |