linux-kernel - [PATCH] Fix tas2562 volume table values

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Date:   Sat,  5 Nov 2022 10:39:16 +0100
From:   Juan Alfonso Reyes Ajenjo <juanalfonso.reyes@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     juanalfonso.reyes@...il.com,
        Gustavo Plaza Roma <gplazar03@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Martin Povišer <povik+lin@...ebit.org>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Fabio Estevam <festevam@...x.de>, Stephen Kitt <steve@....org>,
        alsa-devel@...a-project.org (moderated list:SOUND - SOC LAYER / DYNAMIC
        AUDIO POWER MANAGEM...), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] Fix tas2562 volume table values

This patch fixes -90dB value (0x84a3 instead of 0x695b)
This patch adds missing -20dB value (0x06666666)
float_vol_db_lookup must have 56 values as volume is from 0 to 55 (0-110dB)

Co-developed-by: Gustavo Plaza Roma <gplazar03@...il.com>
Signed-off-by: Gustavo Plaza Roma <gplazar03@...il.com>
Signed-off-by: Juan Alfonso Reyes Ajenjo <juanalfonso.reyes@...il.com>
---
 sound/soc/codecs/tas2562.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
index b486d0b..acbdf77 100644
--- a/sound/soc/codecs/tas2562.c
+++ b/sound/soc/codecs/tas2562.c
@@ -33,15 +33,16 @@
 static const unsigned int float_vol_db_lookup[] = {
 0x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151,
 0x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b,
-0x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
+0x000084a3, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
 0x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f,
 0x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7,
 0x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d,
 0x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a,
 0x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27,
 0x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68,
-0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362,
-0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000
+0x06666666, 0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987,
+0x143d1362, 0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617,
+0x40000000
 };
 
 struct tas2562_data {
-- 
2.7.4