linux-kernel - Re: [PATCH v2] ASoC: amd: acp: Adjust pdm gain value

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Message-ID: <86ca694c-a034-4291-a2ce-303895522156@kernel.org>
Date: Thu, 21 Aug 2025 08:06:08 -0500
From: Mario Limonciello <superm1@...nel.org>
To: Venkata Prasad Potturu <venkataprasad.potturu@....com>,
 broonie@...nel.org, alsa-devel@...a-project.org
Cc: Vijendar.Mukunda@....com, Basavaraj.Hiregoudar@....com,
 Sunil-kumar.Dommati@....com, syed.sabakareem@....com,
 Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>,
 "open list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..."
 <linux-sound@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ASoC: amd: acp: Adjust pdm gain value

On 8/21/2025 12:45 AM, Venkata Prasad Potturu wrote:
> Set pdm gain value by setting PDM_MISC_CTRL_MASK value.
> To avoid low pdm gain value.
> 
> Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@....com>
> ---
Reviewed-by: Mario Limonciello (AMD) <superm1@...nel.org>
> 
> Changes since v1:
> 	- remove pdm gain adjustment using module parameter.
> 
>   sound/soc/amd/acp/amd.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h
> index cb8d97122f95..73a028e67246 100644
> --- a/sound/soc/amd/acp/amd.h
> +++ b/sound/soc/amd/acp/amd.h
> @@ -130,7 +130,7 @@
>   #define PDM_DMA_INTR_MASK       0x10000
>   #define PDM_DEC_64              0x2
>   #define PDM_CLK_FREQ_MASK       0x07
> -#define PDM_MISC_CTRL_MASK      0x10
> +#define PDM_MISC_CTRL_MASK      0x18
>   #define PDM_ENABLE              0x01
>   #define PDM_DISABLE             0x00
>   #define DMA_EN_MASK             0x02