Commit 0d33ea0b authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
Browse files

ASoC: TWL4030: Add CGAIN volume control 



Add CGAIN (Coarse gain control) to TWL4030 codec.
The range of the CGAIN is:
0 dB to 12 dB in 6 dB steps.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent c10b82cf

sound/soc/codecs/twl4030.c

+10 −0
Original line number Diff line number Diff line
@@ -196,10 +196,20 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) 
 */

static DECLARE_TLV_DB_SCALE(master_tlv, -6300, 100, 1);



/*

 * CGAIN volume control:

 * 0 dB to 12 dB in 6 dB steps

 * value 2 and 3 means 12 dB

 */

static DECLARE_TLV_DB_SCALE(master_coarse_tlv, 0, 600, 0);



static const struct snd_kcontrol_new twl4030_snd_controls[] = {

	SOC_DOUBLE_R_TLV("Master Playback Volume",

		 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,

		0, 0x3f, 0, master_tlv),

	SOC_DOUBLE_R_TLV("Master PCM Playback Volume",

		 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,

		6, 0x2, 0, master_coarse_tlv),

	SOC_DOUBLE_R("Capture Volume",

		 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,

		0, 0x1f, 0),