[alsa-devel] [PATCH linux-2.6] hda_intel: ALSA HD Audio patch for Intel Cougar Point DeviceIDs, enables snoop

[Takashi Iwai]

At Mon, 22 Feb 2010 17:31:09 -0800,
Seth Heasley wrote:
> 
> This patch adds the Intel Cougar Point (PCH) HD Audio Controller DeviceIDs, and enables snoop, eliminating static during
> playback.  This patch supersedes the previous Cougar Point audio patch.

We can't replace the patch in the published tree.  This has to be an
additional fix.

Anyway, I fixed it manually now.  Thanks.


Takashi

> Signed-off-by: Seth Heasley <seth.heasley at intel.com>
> 
> --- sound/pci/hda/hda_intel.c.orig	2010-02-11 11:37:43.000000000 -0800
> +++ sound/pci/hda/hda_intel.c	2010-02-22 10:05:48.000000000 -0800
> @@ -449,6 +449,7 @@
>  /* driver types */
>  enum {
>  	AZX_DRIVER_ICH,
> +	AZX_DRIVER_PCH,
>  	AZX_DRIVER_SCH,
>  	AZX_DRIVER_ATI,
>  	AZX_DRIVER_ATIHDMI,
> @@ -463,6 +464,7 @@
>  
>  static char *driver_short_names[] __devinitdata = {
>  	[AZX_DRIVER_ICH] = "HDA Intel",
> +	[AZX_DRIVER_PCH] = "HDA Intel PCH",
>  	[AZX_DRIVER_SCH] = "HDA Intel MID",
>  	[AZX_DRIVER_ATI] = "HDA ATI SB",
>  	[AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
> @@ -1065,6 +1067,7 @@
>  				0x01, NVIDIA_HDA_ENABLE_COHBIT);
>  		break;
>  	case AZX_DRIVER_SCH:
> +	case AZX_DRIVER_PCH:
>  		pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
>  		if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) {
>  			pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC,
> @@ -2415,6 +2418,7 @@
>  	if (bdl_pos_adj[dev] < 0) {
>  		switch (chip->driver_type) {
>  		case AZX_DRIVER_ICH:
> +		case AZX_DRIVER_PCH:
>  			bdl_pos_adj[dev] = 1;
>  			break;
>  		default:
> @@ -2693,6 +2697,7 @@
>  	{ PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
>  	/* PCH */
>  	{ PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH },
> +	{ PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
>  	/* SCH */
>  	{ PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
>  	/* ATI SB 450/600 */
>