ASoC: tas2552: Correct the Speaker Driver Playback Volume (PGA_GAIN)
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 4 Jun 2015 13:04:27 +0000 (16:04 +0300)
committerMark Brown <broonie@kernel.org>
Fri, 5 Jun 2015 17:53:35 +0000 (18:53 +0100)
The last parameter for DECLARE_TLV_DB_SCALE() is to tell if the gain will
be muted or not when it is set to raw 0. IN this case it is not muted.
The PGA_GAIN is in 0-4 bits in the register. Fix the offset in the
SOC_SINGLE_TLV() for this.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/tas2552.c

index 264df631b1308dea897c08071d9fb4d8b34f5e7a..fe2e4d384a00d72bd797a4c9268bfdd34de5ca20 100644 (file)
@@ -406,11 +406,11 @@ static struct snd_soc_dai_driver tas2552_dai[] = {
 /*
  * DAC digital volumes. From -7 to 24 dB in 1 dB steps
  */
-static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 24);
+static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 0);
 
 static const struct snd_kcontrol_new tas2552_snd_controls[] = {
        SOC_SINGLE_TLV("Speaker Driver Playback Volume",
-                        TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv),
+                        TAS2552_PGA_GAIN, 0, 0x1f, 0, dac_tlv),
 };
 
 static const struct reg_default tas2552_init_regs[] = {