[PATCH AUTOSEL 4.19 06/20] ASoC: es8316: Simplify adc_pga_gain_tlv table

Sasha Levin sashal at kernel.org
Thu Mar 25 12:27:10 CET 2021


From: Hans de Goede <hdegoede at redhat.com>

[ Upstream commit bb18c678754ce1514100fb4c0bf6113b5af36c48 ]

Most steps in this table are steps of 3dB (300 centi-dB), so we can
simplify the table.

This not only reduces the amount of space it takes inside the kernel,
this also makes alsa-lib's mixer code actually accept the table, where
as before this change alsa-lib saw the "ADC PGA Gain" control as a
control without a dB scale.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
Link: https://lore.kernel.org/r/20210228160441.241110-1-hdegoede@redhat.com
Signed-off-by: Mark Brown <broonie at kernel.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 sound/soc/codecs/es8316.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index 9ebe77c3784a..57130edaf3ab 100644
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -56,13 +56,8 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(adc_pga_gain_tlv,
 	1, 1, TLV_DB_SCALE_ITEM(0, 0, 0),
 	2, 2, TLV_DB_SCALE_ITEM(250, 0, 0),
 	3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
-	4, 4, TLV_DB_SCALE_ITEM(700, 0, 0),
-	5, 5, TLV_DB_SCALE_ITEM(1000, 0, 0),
-	6, 6, TLV_DB_SCALE_ITEM(1300, 0, 0),
-	7, 7, TLV_DB_SCALE_ITEM(1600, 0, 0),
-	8, 8, TLV_DB_SCALE_ITEM(1800, 0, 0),
-	9, 9, TLV_DB_SCALE_ITEM(2100, 0, 0),
-	10, 10, TLV_DB_SCALE_ITEM(2400, 0, 0),
+	4, 7, TLV_DB_SCALE_ITEM(700, 300, 0),
+	8, 10, TLV_DB_SCALE_ITEM(1800, 300, 0),
 );
 
 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpout_vol_tlv,
-- 
2.30.1



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