linux-kernel - [PATCH 3/6] ASoC: amd: renoir: Adjust the gain for PDM DMIC

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Date:   Fri, 27 Jan 2023 10:01:30 -0600
From:   Mario Limonciello <mario.limonciello@....com>
To:     Jaroslav Kysela <jkysela@...hat.com>,
        Mukunda Vijendar <Vijendar.Mukunda@....com>,
        Saba Kareem Syed <Syed.SabaKareem@....com>,
        <linux-kernel@...r.kernel.org>
CC:     Pananchikkal Renjith <Renjith.Pananchikkal@....com>,
        Mark Pearson <mpearson@...ovo.com>,
        Mario Limonciello <mario.limonciello@....com>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "Jaroslav Kysela" <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        <alsa-devel@...a-project.org>
Subject: [PATCH 3/6] ASoC: amd: renoir: Adjust the gain for PDM DMIC

A similar issue that was reported on Rembrandt based laptops with
low DMIC volume is also being reported for Barcelo based laptops
that use renoir acp3x.

Increase the PDM gain to overcome this problem.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 sound/soc/amd/renoir/rn_acp3x.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/renoir/rn_acp3x.h b/sound/soc/amd/renoir/rn_acp3x.h
index ca586603d7203..c174f84650d24 100644
--- a/sound/soc/amd/renoir/rn_acp3x.h
+++ b/sound/soc/amd/renoir/rn_acp3x.h
@@ -34,7 +34,7 @@
 #define ACP_ERROR_STAT 29
 #define PDM_DECIMATION_FACTOR 0x2
 #define ACP_PDM_CLK_FREQ_MASK 0x07
-#define ACP_WOV_MISC_CTRL_MASK 0x10
+#define ACP_WOV_MISC_CTRL_MASK 0x18
 #define ACP_PDM_ENABLE 0x01
 #define ACP_PDM_DISABLE 0x00
 #define ACP_PDM_DMA_EN_STATUS 0x02
-- 
2.34.1