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    Subject[PATCH 5.8 247/633] ASoC: tas2770: Add missing bias level power states
    Date
    From: Dan Murphy <dmurphy@ti.com>

    [ Upstream commit 4272caf34aa4699eca8e6e7f4a8e5ea2bde275c9 ]

    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 <dmurphy@ti.com>
    Link: https://lore.kernel.org/r/20200918190548.12598-2-dmurphy@ti.com
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 9f759c51ca435..4d67b1c160380 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,
    --
    2.25.1


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