linux-kernel - [PATCH 1/6] ASoC: amd: yc: Adjust the gain for PDM DMIC

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Message-ID: <20230127160134.2658-2-mario.limonciello@amd.com>
Date:   Fri, 27 Jan 2023 10:01:28 -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 1/6] ASoC: amd: yc: Adjust the gain for PDM DMIC

A number of users for Lenovo Rembrandt based laptops are
reporting that the microphone is too quiet relative to
Windows with a dual boot.

Increase the PDM gain to overcome this problem.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 sound/soc/amd/yc/acp6x.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/yc/acp6x.h b/sound/soc/amd/yc/acp6x.h
index 74b596e6807ad..846ca10e24d3f 100644
--- a/sound/soc/amd/yc/acp6x.h
+++ b/sound/soc/amd/yc/acp6x.h
@@ -31,7 +31,7 @@
 #define ACP_ERROR_STAT	29
 #define PDM_DECIMATION_FACTOR	2
 #define ACP_PDM_CLK_FREQ_MASK	7
-#define ACP_WOV_MISC_CTRL_MASK	0x10
+#define ACP_WOV_MISC_CTRL_MASK	0x18
 #define ACP_PDM_ENABLE		1
 #define ACP_PDM_DISABLE		0
 #define ACP_PDM_DMA_EN_STATUS	2
-- 
2.34.1