[PATCH 1/2] ASoC: codecs: pcm186x: fix wrong usage of DECLARE_TLV_DB_LINEAR()

From: Codrin.Ciubotariu
Date: Tue Feb 19 2019 - 11:23:30 EST


From: Codrin Ciubotariu <codrin.ciubotariu@xxxxxxxxxxxxx>

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>
---
sound/soc/codecs/pcm186x.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/codecs/pcm186x.c b/sound/soc/codecs/pcm186x.c
index 809b7e9f03ca..7947279243f9 100644
--- a/sound/soc/codecs/pcm186x.c
+++ b/sound/soc/codecs/pcm186x.c
@@ -6,7 +6,6 @@
* Andreas Dannenberg <dannenberg@xxxxxx>
* Andrew F. Davis <afd@xxxxxx>
*/
-
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -42,7 +41,7 @@ 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,
--
2.17.1