ASoC: sgtl5000: Fix of unmute outputs on probe

[ Upstream commit 631bc8f0134ae9620d86a96b8c5f9445d91a2dca ]

To enable "zero cross detect" for ADC/HP, change
HP_ZCD_EN/ADC_ZCD_EN bits only instead of writing the whole
CHIP_ANA_CTRL register.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20190719100524.23300-6-oleksandr.suvorov@toradex.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 60764f6..f981702 100644 (file)
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1280,6 +1280,7 @@ static int sgtl5000_probe(struct snd_soc_component *component)
        int ret;
        u16 reg;
        struct sgtl5000_priv *sgtl5000 = snd_soc_component_get_drvdata(component);
+       unsigned int zcd_mask = SGTL5000_HP_ZCD_EN | SGTL5000_ADC_ZCD_EN;
 
        /* power up sgtl5000 */
        ret = sgtl5000_set_power_regs(component);
@@ -1305,9 +1306,8 @@ static int sgtl5000_probe(struct snd_soc_component *component)
        reg = ((sgtl5000->lrclk_strength) << SGTL5000_PAD_I2S_LRCLK_SHIFT | 0x5f);
        snd_soc_component_write(component, SGTL5000_CHIP_PAD_STRENGTH, reg);
 
-       snd_soc_component_write(component, SGTL5000_CHIP_ANA_CTRL,
-                       SGTL5000_HP_ZCD_EN |
-                       SGTL5000_ADC_ZCD_EN);
+       snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
+               zcd_mask, zcd_mask);
 
        snd_soc_component_update_bits(component, SGTL5000_CHIP_MIC_CTRL,
                        SGTL5000_BIAS_R_MASK,