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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20250821054606.1279178-1-venkataprasad.potturu@amd.com>
Date: Thu, 21 Aug 2025 11:15:47 +0530
From: Venkata Prasad Potturu <venkataprasad.potturu@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC: <Vijendar.Mukunda@....com>, <Basavaraj.Hiregoudar@....com>,
	<Sunil-kumar.Dommati@....com>, <syed.sabakareem@....com>, "Venkata Prasad
 Potturu" <venkataprasad.potturu@....com>, Liam Girdwood
	<lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
	<tiwai@...e.com>, Mario Limonciello <mario.limonciello@....com>, "open
 list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..."
	<linux-sound@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] ASoC: amd: acp: Adjust pdm gain value

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>
---

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
-- 
2.43.0