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mfd: wm5110: Expose DRE control registers

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Certain use-cases require the DRE to be disabled so expose registers
necessary to control the DRE enables.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Charles Keepax 2013-12-19 09:11:01 +00:00 committed by Mark Brown
parent 1f4fe272f0
commit 792b62e705
2 changed files with 6 additions and 0 deletions
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2
drivers/mfd/wm5110-tables.c
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@ -601,6 +601,7 @@ static const struct reg_default wm5110_reg_default[] = {
{ 0x0000043D, 0x0180 }, /* R1085 - DAC Digital Volume 6R */
{ 0x0000043E, 0x0080 }, /* R1086 - DAC Volume Limit 6R */
{ 0x0000043F, 0x0800 }, /* R1087 - Noise Gate Select 6R */
{ 0x00000440, 0x8FFF }, /* R1088 - DRE Enable */
{ 0x00000450, 0x0000 }, /* R1104 - DAC AEC Control 1 */
{ 0x00000458, 0x0000 }, /* R1112 - Noise Gate Control */
{ 0x00000480, 0x0040 }, /* R1152 - Class W ANC Threshold 1 */
@ -1631,6 +1632,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_DAC_DIGITAL_VOLUME_6R:
case ARIZONA_DAC_VOLUME_LIMIT_6R:
case ARIZONA_NOISE_GATE_SELECT_6R:
case ARIZONA_DRE_ENABLE:
case ARIZONA_DAC_AEC_CONTROL_1:
case ARIZONA_NOISE_GATE_CONTROL:
case ARIZONA_PDM_SPK1_CTRL_1:

4
include/linux/mfd/arizona/registers.h
View File

@ -3207,6 +3207,10 @@
/*
* R1088 (0x440) - DRE Enable
*/
#define ARIZONA_DRE3R_ENA 0x0020 /* DRE3R_ENA */
#define ARIZONA_DRE3R_ENA_MASK 0x0020 /* DRE3R_ENA */
#define ARIZONA_DRE3R_ENA_SHIFT 5 /* DRE3R_ENA */
#define ARIZONA_DRE3R_ENA_WIDTH 1 /* DRE3R_ENA */
#define ARIZONA_DRE3L_ENA 0x0010 /* DRE3L_ENA */
#define ARIZONA_DRE3L_ENA_MASK 0x0010 /* DRE3L_ENA */
#define ARIZONA_DRE3L_ENA_SHIFT 4 /* DRE3L_ENA */