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ALSA: hda - Fix the noise after suspend on ALC283 codec 

When the power state of ALC283 codec goes to D3, it gives a noise via
headphone output.  This is because the driver tries to clear all pins
via snd_hda_shutup_pins().  Setting the mic pin to zero triggers such
a noise.

Define a new shutup call specific to this codec and control the pins
there more precisely.  Also, add the power-save enable/disable
sequences in the resume and the new shutup calls.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Kailang Yang 2013-07-24 14:39:49 +02:00 committed by Takashi Iwai
parent 9bfb2844a2
commit c5177c861e
1 changed files with 36 additions and 1 deletions
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37
sound/pci/hda/patch_realtek.c
View File

@ -2712,6 +2712,13 @@ static int alc269_resume(struct hda_codec *codec)
hda_call_check_power_status(codec, 0x01);
if (spec->has_alc5505_dsp)
alc5505_dsp_resume(codec);
/* clear the power-save mode for ALC283 */
if (codec->vendor_id == 0x10ec0283) {
alc_write_coef_idx(codec, 0x4, 0xaf01);
alc_write_coef_idx(codec, 0x6, 0x2104);
}
return 0;
}
#endif /* CONFIG_PM */
@ -3775,6 +3782,30 @@ static void alc269_fill_coef(struct hda_codec *codec)
alc_write_coef_idx(codec, 0x4, val | (1<<11));
}
/* don't clear mic pin; otherwise it results in noise in D3 */
static void alc283_headset_shutup(struct hda_codec *codec)
{
int i;
if (codec->bus->shutdown)
return;
for (i = 0; i < codec->init_pins.used; i++) {
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
/* use read here for syncing after issuing each verb */
if (pin->nid != 0x19)
snd_hda_codec_read(codec, pin->nid, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
}
alc_write_coef_idx(codec, 0x4, 0x0f01); /* power save */
alc_write_coef_idx(codec, 0x6, 0x2100); /* power save */
snd_hda_codec_write(codec, 0x19, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL,
PIN_VREFHIZ);
codec->pins_shutup = 1;
}
/*
*/
static int patch_alc269(struct hda_codec *codec)
@ -3789,6 +3820,9 @@ static int patch_alc269(struct hda_codec *codec)
spec = codec->spec;
spec->gen.shared_mic_vref_pin = 0x18;
if (codec->vendor_id == 0x10ec0283)
spec->shutup = alc283_headset_shutup;
snd_hda_pick_fixup(codec, alc269_fixup_models,
alc269_fixup_tbl, alc269_fixups);
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
@ -3862,7 +3896,8 @@ static int patch_alc269(struct hda_codec *codec)
codec->patch_ops.suspend = alc269_suspend;
codec->patch_ops.resume = alc269_resume;
#endif
spec->shutup = alc269_shutup;
if (!spec->shutup)
spec->shutup = alc269_shutup;
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);