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ASoC: tas2770: Insert post reset delay
Per TAS2770 datasheet there must be a 1 ms delay from reset to first
command. So insert delays into the driver where appropriate.
Fixes: 1a476abc72
("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220204095301.5554-1-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
parent
946eb87114
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@ -38,10 +38,12 @@ static void tas2770_reset(struct tas2770_priv *tas2770)
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gpiod_set_value_cansleep(tas2770->reset_gpio, 0);
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msleep(20);
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gpiod_set_value_cansleep(tas2770->reset_gpio, 1);
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usleep_range(1000, 2000);
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}
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snd_soc_component_write(tas2770->component, TAS2770_SW_RST,
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TAS2770_RST);
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usleep_range(1000, 2000);
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}
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static int tas2770_set_bias_level(struct snd_soc_component *component,
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@ -110,6 +112,7 @@ static int tas2770_codec_resume(struct snd_soc_component *component)
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if (tas2770->sdz_gpio) {
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gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
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usleep_range(1000, 2000);
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} else {
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ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
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TAS2770_PWR_CTRL_MASK,
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@ -510,8 +513,10 @@ static int tas2770_codec_probe(struct snd_soc_component *component)
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tas2770->component = component;
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if (tas2770->sdz_gpio)
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if (tas2770->sdz_gpio) {
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gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
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usleep_range(1000, 2000);
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}
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tas2770_reset(tas2770);
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