[PATCH 2/2] ASoC: tas2770: Add missing bias level power states

[Dan Murphy]

Add the BIAS_STANDBY and BIAS_PREPARE to the set_bias_level or else the
driver will return -EINVAL which is not correct as they are valid
states.

Fixes: 1a476abc723e6 ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Dan Murphy <dmur...@ti.com>
---
 sound/soc/codecs/tas2770.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 03d7ad1885b8..7c6f61946ab3 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -57,7 +57,12 @@ static int tas2770_set_bias_level(struct snd_soc_component 
*component,
                        TAS2770_PWR_CTRL_MASK,
                        TAS2770_PWR_CTRL_ACTIVE);
                break;
-
+       case SND_SOC_BIAS_STANDBY:
+       case SND_SOC_BIAS_PREPARE:
+               snd_soc_component_update_bits(component,
+                       TAS2770_PWR_CTRL,
+                       TAS2770_PWR_CTRL_MASK, TAS2770_PWR_CTRL_MUTE);
+               break;
        case SND_SOC_BIAS_OFF:
                snd_soc_component_update_bits(component,
                        TAS2770_PWR_CTRL,
-- 
2.28.0