summaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
authorMartin Povišer <povik+lin@cutebit.org>2022-06-30 10:51:32 +0300
committerMark Brown <broonie@kernel.org>2022-07-07 19:16:32 +0300
commitcd10bb89b0d57bca98eb75e0444854a1c129a14e (patch)
treecccd8eabd6d09ea093a150cc25a9c03b7baa2881 /sound
parent94c65dffd4c4af052b3ea8934fbcb2fa8da276a8 (diff)
downloadlinux-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.c10
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);