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ALSA: hda - Don't create unneeded digital input source for IDT 92HD71x 

The current driver creates always the digital input source mixer
elements for IDT 92HD71x codecs no matter whether digital mics are
present.  This patch adds the proper check to avoid the creation of
these controls if unnecessary.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-07-28 17:03:49 +02:00
parent 9a11f1aa8e
commit 4417932315
1 changed files with 10 additions and 6 deletions
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16
sound/pci/hda/patch_sigmatel.c
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@ -5355,7 +5355,6 @@ again:
/* no output amps */
spec->num_pwrs = 0;
spec->mixer = stac92hd71bxx_analog_mixer;
spec->dinput_mux = &spec->private_dimux;
/* disable VSW */
spec->init = &stac92hd71bxx_analog_core_init[HD_DISABLE_PORTF];
@ -5366,8 +5365,11 @@ again:
spec->num_dmics = stac92hd71bxx_connected_ports(codec,
stac92hd71bxx_dmic_nids,
STAC92HD71BXX_NUM_DMICS - 1);
spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
ndmic_nids = ARRAY_SIZE(stac92hd71bxx_dmic_nids) - 2;
if (spec->num_dmics) {
spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
spec->dinput_mux = &spec->private_dimux;
ndmic_nids = ARRAY_SIZE(stac92hd71bxx_dmic_nids) - 2;
}
break;
case 0x111d7603: /* 6 Port with Analog Mixer */
if ((codec->revision_id & 0xf) == 1)
@ -5379,15 +5381,17 @@ again:
default:
memcpy(&spec->private_dimux, &stac92hd71bxx_dmux_amixer,
sizeof(stac92hd71bxx_dmux_amixer));
spec->dinput_mux = &spec->private_dimux;
spec->mixer = stac92hd71bxx_analog_mixer;
spec->init = stac92hd71bxx_analog_core_init;
codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
spec->num_dmics = stac92hd71bxx_connected_ports(codec,
stac92hd71bxx_dmic_nids,
STAC92HD71BXX_NUM_DMICS);
spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
ndmic_nids = ARRAY_SIZE(stac92hd71bxx_dmic_nids) - 1;
if (spec->num_dmics) {
spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
spec->dinput_mux = &spec->private_dimux;
ndmic_nids = ARRAY_SIZE(stac92hd71bxx_dmic_nids) - 1;
}
}
if (get_wcaps(codec, 0xa) & AC_WCAP_IN_AMP)