[alsa-devel] [PATCH] ALSA: hda_intel: add AZX_DCAPS_I915_POWERWELL for SKL and BSW

[Takashi Iwai]

At Tue,  7 Apr 2015 20:32:20 +0800,
libin.yang at intel.com wrote:
> 
> From: Libin Yang <libin.yang at intel.com>
> 
> HDMI/DP codec on SKL/BSW is in the power well.
> The power well must be turned on before probing the
> HDMI/DP codec.
> 
> This is a temporary patch, which will power on the
> powerwell by adding AZX_DCAPS_I915_POWERWELL for SKL
> and BSW. After restructuring and new flag is added,
> this patch will be reverted.
> 
> Signed-off-by: Libin Yang <libin.yang at intel.com>

Applied, thanks.


Takashi

> ---
>  sound/pci/hda/hda_intel.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index 15a8299..e1c2105 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -297,8 +297,12 @@ enum {
>  	 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
>  	 AZX_DCAPS_SNOOP_TYPE(SCH))
>  
> +#define AZX_DCAPS_INTEL_BRASWELL \
> +	(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
> +
>  #define AZX_DCAPS_INTEL_SKYLAKE \
> -	(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG)
> +	(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
> +	 AZX_DCAPS_I915_POWERWELL)
>  
>  /* quirks for ATI SB / AMD Hudson */
>  #define AZX_DCAPS_PRESET_ATI_SB \
> @@ -1991,7 +1995,7 @@ static const struct pci_device_id azx_ids[] = {
>  	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
>  	/* Braswell */
>  	{ PCI_DEVICE(0x8086, 0x2284),
> -	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
> +	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
>  	/* ICH6 */
>  	{ PCI_DEVICE(0x8086, 0x2668),
>  	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
> -- 
> 1.9.1
>