[alsa-devel] imac27 12,2 (2011) model for patch_cirrus.c

Takashi Iwai tiwai at suse.de
Mon Jan 9 16:43:47 CET 2012


At Mon, 09 Jan 2012 16:18:02 +0100,
Jérémy Lal wrote:
> 
> On 09/01/2012 15:29, Takashi Iwai wrote:
> > At Mon, 09 Jan 2012 15:26:07 +0100,
> > Jérémy Lal wrote:
> >>
> >> On 09/01/2012 14:58, Takashi Iwai wrote:
> >>> At Mon, 09 Jan 2012 14:53:10 +0100,
> >>> Jérémy Lal wrote:
> >>>>
> >>>> On 09/01/2012 11:34, Takashi Iwai wrote:
> >>>>> At Thu, 29 Dec 2011 13:00:01 +0100,
> >>>>> Jérémy Lal wrote:
> >>>>>>
> >>>>>> Hi,
> >>>>>> it'd be glad to have patch_cirrus.c recognize model=imac27_122,
> >>>>>> (i'm adding a model because it's harder to auto-detect it),
> >>>>>> please find attached patch, tested on linux 3.2-rc7.
> >>>>>> I don't know anything about pin configs, just that it works with
> >>>>>> the ones in the patch.
> >>>>>> Note that i tried with model=auto (no sound) and model=imac27 (front speakers
> >>>>>> not muted when headphones are plugged in, and surround speakers not properly
> >>>>>> detected).
> >>>>>
> >>>>> Thanks for the patch.  But I see a problem in the code, i.e.
> >>>>>
> >>>>>> +static const struct cs_pincfg imac27_122_pincfgs[] = {
> >>>>>> +	{ 0x00, 0x821c9700 },
> >>>>>> +	{ 0x01, 0x011d9700 },
> >>>>> (snip)
> >>>>>> +	{ 0x27, 0x401f5701 },
> >>>>>> +	{} /* terminator */
> >>>>>> +};
> >>>>>
> >>>>> This looks obviously wrong.  The pincfg table should contain only the
> >>>>> default pin-configuration values for pin widgets while you are setting
> >>>>> some values to all widgets.  Please minimize this entry.
> >>>>
> >>>> It's working without overriding pin-configurations :)
> >>>> I tested almost everything except digital input/output.
> >>>>
> >>>> A kernel with the following patch and
> >>>> options snd-hda-intel model=imac27_122
> >>>> is enough to get sound working.
> >>>
> >>> OK, that's much better.
> >>> Could you give the patch with a proper changelog and your sign-off
> >>> so that I can merge it now?
> >>
> >> ALSA: hda/cirrus - support for iMac12,1 and 12,2 models
> >>
> >> Those models just need to have headphones on GPI02
> >> instead of GPI01, and use BIOS pincfgs.
> >>
> >> Signed-off-by: Jérémy Lal <kapouer at melix.org>
> >> ---
> >>
> >> --- linux-source-3.2-rc7.orig/sound/pci/hda/patch_cirrus.c	2011-12-24 06:51:06.000000000 +0100
> >> +++ linux-source-3.2-rc7/sound/pci/hda/patch_cirrus.c	2012-01-09 12:40:53.026430475 +0100
> >> @@ -78,6 +78,7 @@
> >>  	CS420X_MBP53,
> >>  	CS420X_MBP55,
> >>  	CS420X_IMAC27,
> >> +	CS420X_IMAC27_122,
> >>  	CS420X_APPLE,
> >>  	CS420X_AUTO,
> >>  	CS420X_MODELS
> >> @@ -1278,6 +1279,7 @@
> >>  	[CS420X_MBP53] = "mbp53",
> >>  	[CS420X_MBP55] = "mbp55",
> >>  	[CS420X_IMAC27] = "imac27",
> >> +	[CS420X_IMAC27_122] = "imac27_122",
> >>  	[CS420X_APPLE] = "apple",
> >>  	[CS420X_AUTO] = "auto",
> >>  };
> >> @@ -1392,6 +1394,12 @@
> >>  		spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */
> >>  		spec->gpio_mask = spec->gpio_dir =
> >>  			spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
> >> +		break;
> >> +	case CS420X_IMAC27_122:
> >> +		spec->gpio_eapd_hp = 4; /* GPIO2 = headphones */
> >> +		spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */
> >> +		spec->gpio_mask = spec->gpio_dir =
> >> +			spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
> >>  		break;
> >>  	}
> >>  
> >>
> >>  
> >>> Also, I guess your device should be identified via PCI SSID.
> >>> Could you check whether the device has a unique PCI SSID (check lspci
> >>> output), and add the corresponding entry to cs420x_cfg_tbl[]?  If it's
> >>> about 10de:xxxx, it should be unique.  If it's 8086:xxxx, then we'd
> >>> need to check the codec SSID instead of PCI SSID.
> >>
> >> The PCI SSID is 8086:1c20
> >> How can i get the codec SSID ?
> > 
> > Check /proc/asound/card0/codec#* file.  This id should be added to
> >   cs420x_codec_cfg_tbl[], but before the entry
> >   SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE)
> > which matches all 106b:*.
> > 
> > 
> > Takashi
> 
> I get
> Vendor Id: 0x10134206
> Subsystem Id: 0x106b2000
> 
> However this code does not work :
> 
> --- linux-source-3.2-rc7.orig/sound/pci/hda/patch_cirrus.c	2011-12-24 06:51:06.000000000 +0100
> +++ linux-source-3.2-rc7/sound/pci/hda/patch_cirrus.c	2012-01-09 15:35:14.604457152 +0100
> @@ -78,6 +78,7 @@
>  	CS420X_MBP53,
>  	CS420X_MBP55,
>  	CS420X_IMAC27,
> +	CS420X_IMAC27_122,
>  	CS420X_APPLE,
>  	CS420X_AUTO,
>  	CS420X_MODELS
> @@ -1278,6 +1279,7 @@
>  	[CS420X_MBP53] = "mbp53",
>  	[CS420X_MBP55] = "mbp55",
>  	[CS420X_IMAC27] = "imac27",
> +	[CS420X_IMAC27_122] = "imac27_122",
>  	[CS420X_APPLE] = "apple",
>  	[CS420X_AUTO] = "auto",
>  };
> @@ -1294,6 +1296,7 @@
>  };
>  
>  static const struct snd_pci_quirk cs420x_codec_cfg_tbl[] = {
> +	SND_PCI_QUIRK_VENDOR(0x106b2000, "iMac 12,2", CS420X_IMAC27_122),

You must pass
	SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
instead.


Takashi


>  	SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
>  	{} /* terminator */
>  };
> @@ -1392,6 +1395,12 @@
>  		spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */
>  		spec->gpio_mask = spec->gpio_dir =
>  			spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
> +		break;
> +	case CS420X_IMAC27_122:
> +		spec->gpio_eapd_hp = 4; /* GPIO2 = headphones */
> +		spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */
> +		spec->gpio_mask = spec->gpio_dir =
> +			spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
>  		break;
>  	}
>  
> 


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