[PATCH 5.0 004/238] ASoC: codecs: pcm186x: fix wrong usage of DECLARE_TLV_DB_SCALE()

From: Greg Kroah-Hartman
Date: Fri Mar 22 2019 - 08:12:22 EST


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

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

From: Codrin Ciubotariu <codrin.ciubotariu@xxxxxxxxxxxxx>

commit fcf4daabf08079e6d09958a2992e7446ef8d0438 upstream.

According to DS, the gain is between -12 dB and 40 dB, with a 0.5 dB step.
Tested on pcm1863.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@xxxxxxxxxxxxx>
Acked-by: Andrew F. Davis <afd@xxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
sound/soc/codecs/pcm186x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/pcm186x.c
+++ b/sound/soc/codecs/pcm186x.c
@@ -42,7 +42,7 @@ struct pcm186x_priv {
bool is_master_mode;
};

-static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 4000, 50);
+static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 50, 0);

static const struct snd_kcontrol_new pcm1863_snd_controls[] = {
SOC_DOUBLE_R_S_TLV("ADC Capture Volume", PCM186X_PGA_VAL_CH1_L,