From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
patches@lists.linux.dev,
Richard Fitzgerald <rf@opensource.cirrus.com>,
Mark Brown <broonie@kernel.org>
Subject: [PATCH 6.10 9/9] ASoC: cs35l56: Limit Speaker Volume to +12dB maximum
Date: Tue, 23 Jul 2024 13:52:03 +0200 [thread overview]
Message-ID: <20240723114047.605318290@linuxfoundation.org> (raw)
In-Reply-To: <20240723114047.281580960@linuxfoundation.org>
6.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Richard Fitzgerald <rf@opensource.cirrus.com>
commit 244389bd42870640c4b5ef672a360da329b579ed upstream.
Change CS35L56_MAIN_RENDER_USER_VOLUME_MAX to 48, to limit the maximum
value of the Speaker Volume control to +12dB. The minimum value is
unchanged so that the default 0dB has the same integer control value.
The original maximum of 400 (+100dB) was the largest value that can be
mathematically handled by the DSP. The actual maximum amplification is
+12dB.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20240703095517.208077-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/sound/cs35l56.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/sound/cs35l56.h
+++ b/include/sound/cs35l56.h
@@ -209,7 +209,7 @@
/* CS35L56_MAIN_RENDER_USER_VOLUME */
#define CS35L56_MAIN_RENDER_USER_VOLUME_MIN -400
-#define CS35L56_MAIN_RENDER_USER_VOLUME_MAX 400
+#define CS35L56_MAIN_RENDER_USER_VOLUME_MAX 48
#define CS35L56_MAIN_RENDER_USER_VOLUME_MASK 0x0000FFC0
#define CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT 6
#define CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT 9
prev parent reply other threads:[~2024-07-23 11:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-23 11:51 [PATCH 6.10 0/9] 6.10.1-rc1 review Greg Kroah-Hartman
2024-07-23 11:51 ` [PATCH 6.10 1/9] ext4: use memtostr_pad() for s_volume_name Greg Kroah-Hartman
2024-07-23 11:51 ` [PATCH 6.10 2/9] cifs: Fix missing error code set Greg Kroah-Hartman
2024-07-23 11:51 ` [PATCH 6.10 3/9] cifs: Fix missing fscache invalidation Greg Kroah-Hartman
2024-07-23 11:51 ` [PATCH 6.10 4/9] cifs: fix noisy message on copy_file_range Greg Kroah-Hartman
2024-07-23 11:51 ` [PATCH 6.10 5/9] cifs: Fix server re-repick on subrequest retry Greg Kroah-Hartman
2024-07-23 11:52 ` [PATCH 6.10 6/9] cifs: Fix setting of zero_point after DIO write Greg Kroah-Hartman
2024-07-23 11:52 ` [PATCH 6.10 7/9] tpm: Use auth only after NULL check in tpm_buf_check_hmac_response() Greg Kroah-Hartman
2024-07-23 11:52 ` [PATCH 6.10 8/9] ASoC: cs35l56: Use header defines for Speaker Volume control definition Greg Kroah-Hartman
2024-07-23 11:52 ` Greg Kroah-Hartman [this message]
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