ASoC: codecs: ad193x: Reset used registers at probe

Since the ad193x codecs have no software reset, we have to reinitialize the
registers after a hardware reset to assure no previous values are kept.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index f3bab8f..9615e78 100644 (file)
--- a/sound/soc/codecs/ad193x.c
+++ b/sound/soc/codecs/ad193x.c
@@ -427,12 +427,22 @@ static void ad193x_reg_default_init(struct ad193x_priv *ad193x)
                {  0, 0x99 },   /* PLL_CLK_CTRL0: pll input: mclki/xi 12.288Mhz */
                {  1, 0x04 },   /* PLL_CLK_CTRL1: no on-chip Vref */
                {  2, 0x40 },   /* DAC_CTRL0: TDM mode */
+               {  3, 0x00 },   /* DAC_CTRL1: reset */
                {  4, 0x1A },   /* DAC_CTRL2: 48kHz de-emphasis, unmute dac */
                {  5, 0x00 },   /* DAC_CHNL_MUTE: unmute DAC channels */
+               {  6, 0x00 },   /* DAC_L1_VOL: no attenuation */
+               {  7, 0x00 },   /* DAC_R1_VOL: no attenuation */
+               {  8, 0x00 },   /* DAC_L2_VOL: no attenuation */
+               {  9, 0x00 },   /* DAC_R2_VOL: no attenuation */
+               { 10, 0x00 },   /* DAC_L3_VOL: no attenuation */
+               { 11, 0x00 },   /* DAC_R3_VOL: no attenuation */
+               { 12, 0x00 },   /* DAC_L4_VOL: no attenuation */
+               { 13, 0x00 },   /* DAC_R4_VOL: no attenuation */
        };
        const struct ad193x_reg_default reg_adc_init[] = {
                { 14, 0x03 },   /* ADC_CTRL0: high-pass filter enable */
                { 15, 0x43 },   /* ADC_CTRL1: sata delay=1, adc aux mode */
+               { 16, 0x00 },   /* ADC_CTRL2: reset */
        };
        int i;