diff options
| author | Martin Povišer <povik+lin@cutebit.org> | 2022-06-30 10:51:32 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-07-07 19:16:32 +0300 |
| commit | cd10bb89b0d57bca98eb75e0444854a1c129a14e (patch) | |
| tree | cccd8eabd6d09ea093a150cc25a9c03b7baa2881 /sound | |
| parent | 94c65dffd4c4af052b3ea8934fbcb2fa8da276a8 (diff) | |
| download | linux-cd10bb89b0d57bca98eb75e0444854a1c129a14e.tar.xz | |
ASoC: tas2764: Add post reset delays
Make sure there is at least 1 ms delay from reset to first command as
is specified in the datasheet. This is a fix similar to commit
307f31452078 ("ASoC: tas2770: Insert post reset delay").
Fixes: 827ed8a0fa50 ("ASoC: tas2764: Add the driver for the TAS2764")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220630075135.2221-1-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/tas2764.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/codecs/tas2764.c b/sound/soc/codecs/tas2764.c index d395feffb30b..d702a39eaa7b 100644 --- a/sound/soc/codecs/tas2764.c +++ b/sound/soc/codecs/tas2764.c @@ -42,10 +42,12 @@ static void tas2764_reset(struct tas2764_priv *tas2764) gpiod_set_value_cansleep(tas2764->reset_gpio, 0); msleep(20); gpiod_set_value_cansleep(tas2764->reset_gpio, 1); + usleep_range(1000, 2000); } snd_soc_component_write(tas2764->component, TAS2764_SW_RST, TAS2764_RST); + usleep_range(1000, 2000); } static int tas2764_set_bias_level(struct snd_soc_component *component, @@ -107,8 +109,10 @@ static int tas2764_codec_resume(struct snd_soc_component *component) struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); int ret; - if (tas2764->sdz_gpio) + if (tas2764->sdz_gpio) { gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); + usleep_range(1000, 2000); + } ret = snd_soc_component_update_bits(component, TAS2764_PWR_CTRL, TAS2764_PWR_CTRL_MASK, @@ -501,8 +505,10 @@ static int tas2764_codec_probe(struct snd_soc_component *component) tas2764->component = component; - if (tas2764->sdz_gpio) + if (tas2764->sdz_gpio) { gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); + usleep_range(1000, 2000); + } tas2764_reset(tas2764); |