ASoC: codecs: pcm186x: fix wrong usage of DECLARE_TLV_DB_SCALE()

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@microchip.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

diff --git a/sound/soc/codecs/pcm186x.c b/sound/soc/codecs/pcm186x.c
index 809b7e9f03ca6fcfdeb7abdb604ea15bf4e09a8a..c36a391fec8a2880b5d2e3375a7d66abc5ff4f4f 100644 (file)
--- 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,