[alsa-devel] [PATCH 1/2 v2] ALSA: hda - add more ML register definitions

[Takashi Iwai]

On Thu, 06 Apr 2017 13:18:20 +0200,
libin.yang at intel.com wrote:
> 
> From: Libin Yang <libin.yang at intel.com>
> 
> This patch refines the definition of AZX_MLCTL_SPA and AZX_MLCTL_CPA
> and add more definitions of ML registers
> 
> Signed-off-by: Libin Yang <libin.yang at intel.com>

Applied, thanks.


Takashi

> ---
>  include/sound/hda_register.h        | 8 +++++---
>  sound/hda/ext/hdac_ext_controller.c | 6 +++---
>  2 files changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
> index 0013063..8df12e4 100644
> --- a/include/sound/hda_register.h
> +++ b/include/sound/hda_register.h
> @@ -243,9 +243,11 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
>  #define AZX_REG_ML_LOUTPAY		0x20
>  #define AZX_REG_ML_LINPAY		0x30
>  
> -#define AZX_MLCTL_SPA			(1<<16)
> -#define AZX_MLCTL_CPA			23
> -
> +#define ML_LCTL_SCF_MASK			0xF
> +#define AZX_MLCTL_SPA				(0x1 << 16)
> +#define AZX_MLCTL_CPA				(0x1 << 23)
> +#define AZX_MLCTL_SPA_SHIFT			16
> +#define AZX_MLCTL_CPA_SHIFT			23
>  
>  /* registers for DMA Resume Capability Structure */
>  #define AZX_DRSM_CAP_ID			0x5
> diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
> index 2614691..84f3b81 100644
> --- a/sound/hda/ext/hdac_ext_controller.c
> +++ b/sound/hda/ext/hdac_ext_controller.c
> @@ -171,7 +171,7 @@ static int check_hdac_link_power_active(struct hdac_ext_link *link, bool enable)
>  {
>  	int timeout;
>  	u32 val;
> -	int mask = (1 << AZX_MLCTL_CPA);
> +	int mask = (1 << AZX_MLCTL_CPA_SHIFT);
>  
>  	udelay(3);
>  	timeout = 150;
> @@ -179,10 +179,10 @@ static int check_hdac_link_power_active(struct hdac_ext_link *link, bool enable)
>  	do {
>  		val = readl(link->ml_addr + AZX_REG_ML_LCTL);
>  		if (enable) {
> -			if (((val & mask) >> AZX_MLCTL_CPA))
> +			if (((val & mask) >> AZX_MLCTL_CPA_SHIFT))
>  				return 0;
>  		} else {
> -			if (!((val & mask) >> AZX_MLCTL_CPA))
> +			if (!((val & mask) >> AZX_MLCTL_CPA_SHIFT))
>  				return 0;
>  		}
>  		udelay(3);
> -- 
> 2.7.4
>