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[PATCH 4.2 102/258] ASoC: tas2552: fix dBscale-min declaration

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  [PATCH 4.2 102/258] ASoC: tas2552: fix dBscale-min declaration Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-10-18 06:40 +0200

#1249998 — [PATCH 4.2 102/258] ASoC: tas2552: fix dBscale-min declaration

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andreas Dannenberg <dannenberg@ti.com>

commit e2600460bc3aa14ca1df86318a327cbbabedf9a8 upstream.

The minimum volume level for the TAS2552 (control register value 0x00)
is -7dB however the driver declares it as -0.07dB.

Running amixer before the patch reports:
dBscale-min=-0.07dB,step=1.00dB,mute=0

Running amixer with the patch applied reports:
dBscale-min=-7.00dB,step=1.00dB,mute=0

Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/tas2552.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -551,7 +551,7 @@ static struct snd_soc_dai_driver tas2552
 /*
  * DAC digital volumes. From -7 to 24 dB in 1 dB steps
  */
-static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 0);
+static DECLARE_TLV_DB_SCALE(dac_tlv, -700, 100, 0);
 
 static const char * const tas2552_din_source_select[] = {
 	"Muted",


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