linux-kernel - [PATCH 1/2] ASoC: codecs: wcd934x: Set digital gain range correctly

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Message-Id: <20201028154340.17090-1-srinivas.kandagatla@linaro.org>
Date:   Wed, 28 Oct 2020 15:43:39 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org
Cc:     perex@...ex.cz, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, lgirdwood@...il.com,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 1/2] ASoC: codecs: wcd934x: Set digital gain range correctly

digital gain range is -84dB min to 40dB max, however this was not
correctly specified in the range.

Fix this by with correct range!

Fixes: 1cde8b822332 ("ASoC: wcd934x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/codecs/wcd934x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c
index 35697b072367..40f682f5dab8 100644
--- a/sound/soc/codecs/wcd934x.c
+++ b/sound/soc/codecs/wcd934x.c
@@ -551,7 +551,7 @@ struct wcd_iir_filter_ctl {
 	struct soc_bytes_ext bytes_ext;
 };
 
-static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
+static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400);
 static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
 static const DECLARE_TLV_DB_SCALE(ear_pa_gain, 0, 150, 0);
-- 
2.21.0