[alsa-devel] Support Dell headset mode for ALC288

[Takashi Iwai]

At Wed, 8 Apr 2015 07:31:33 +0000,
Kailang wrote:
> 
> 
> Hi Takashi,
> 
> Attach patch is support alc288 headset mode.

This also supports ALC286, too, right?


Takashi

> 
> BR,
> Kailang
> 
> > -----Original Message-----
> > From: Takashi Iwai [mailto:tiwai at suse.de] 
> > Sent: Saturday, April 04, 2015 8:43 PM
> > To: Kailang
> > Cc: (alsa-devel at alsa-project.org)
> > Subject: Re: Support Dell headset mode for ALC288
> > 
> > At Tue, 31 Mar 2015 08:01:57 +0000,
> > Kailang wrote:
> > > 
> > > 
> > > Hi Takashi,
> > >   
> > >  Dell has new platform with ALC288.
> > >  Attach patch is support headset mode for ALC288.
> > 
> > > @@ -3828,6 +3894,11 @@ static void 
> > alc_determine_headset_type(struct hda_codec *codec)
> > >   conteol) */
> > >  		{}
> > >  	};
> > > +	static struct coef_fw coef0286[] = {
> > > +		//UPDATE_COEF(0x4f, 0xfcc0, 0x5400), /* Combo 
> > Jack auto detect */
> > > +		UPDATE_COEF(0x4f, 0xfcc0, 0xd400),
> > 
> > Why is this commented out and what's the next line does instead?
> > And it's 0286?  Not 0288?
> > 
> > > @@ -3949,8 +4027,15 @@ static void 
> > alc_update_headset_jack_cb(struct hda_codec *codec,
> > >  				       struct hda_jack_callback 
> > *jack)  {
> > >  	struct alc_spec *spec = codec->spec;
> > > +	int present;
> > >  	spec->current_headset_type = ALC_HEADSET_TYPE_UNKNOWN;
> > >  	snd_hda_gen_hp_automute(codec, jack);
> > > +	present = spec->gen.hp_jack_present ? 0x40 : 0;
> > > +	if (codec->bus->pci->subsystem_vendor == 0x1028 &&
> > > +				codec->core.vendor_id == 0x10ec0288)
> > > +		/* Headset Mic enable and disable, ony for Dell Dino */
> > > +		snd_hda_codec_write(codec, 0x01, 0, 
> > AC_VERB_SET_GPIO_DATA,
> > > +					present);
> > 
> > This is too ugly to put in the common function.
> > For Dell, prepare its own callback function and use it 
> > instead.  Or, put a new hook there to call additionally.  
> > This avoids the PCI ID check in each place.
> > 
> > So, better to split to a few patches.  One for adding ALC286 
> > (or 288?) support generically.  And another for adding 
> > Dell-specific things.
> > 
> > 
> > thanks,
> > 
> > Takashi
> > 
> > ------Please consider the environment before printing this e-mail.
> > 
> [2 0000-alc288-headset-mode.patch <application/octet-stream (base64)>]
>