[alsa-devel] Problem with VIA VT1708S and git versions of alsa-driver.

[Mark Goldstein]

On Sat, Jan 29, 2011 at 12:42 PM, Mark Goldstein
<goldstein.mark at gmail.com> wrote:
> On Sat, Jan 29, 2011 at 11:37 AM, Mark Goldstein
> <goldstein.mark at gmail.com> wrote:
>> On Fri, Jan 28, 2011 at 2:47 AM, Raymond Yau
>> <superquad.vortex2 at gmail.com> wrote:
>>> 2011/1/27 Mark Goldstein <goldstein.mark at gmail.com>
>>>
>>>> On Thu, Jan 27, 2011 at 11:09 AM, Raymond Yau
>>>> <superquad.vortex2 at gmail.com> wrote:
>>>> > 2011/1/27 Mark Goldstein <goldstein.mark at gmail.com>
>>>> >
>
>> Still trying to figure out why only Rear Mic works while Front Mic does not.
>
> Ok, for some reason Pin-ctls for Front Mic (0x1e) set to VREF Hi-Z.
> After I set it to VREF 50 using hda-analyser, Front Mic started
> working. Have to figure out why it is set to Hi-Z.
>

static void via_auto_init_analog_input(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	const struct auto_pin_cfg *cfg = &spec->autocfg;
	unsigned int ctl;
	int i;

	for (i = 0; i < cfg->num_inputs; i++) {
		hda_nid_t nid = cfg->inputs[i].pin;
		if (spec->smart51_enabled && is_smart51_pins(spec, nid))
			ctl = PIN_OUT;
		else if (i == AUTO_PIN_MIC)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^
			ctl = PIN_VREF50;
		else
			ctl = PIN_IN;
		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL, ctl);
	}
}

Should it probably be
else if (cfg->input[i].type == AUTO_PIN_MIC) ?




-- 
Mark Goldstein