[PATCH 2/5] ASoC: codecs/jz4770: Reset interrupt flags in bias PREPARE
Paul Cercueil
paul at crapouillou.net
Mon Dec 7 13:53:34 CET 2020
From: Christophe Branchereau <cbranchereau at gmail.com>
In case a poll for RUP times out, we might be left with some IRQ flags
that should be cleared before the next power on.
Signed-off-by: Christophe Branchereau <cbranchereau at gmail.com>
Signed-off-by: Paul Cercueil <paul at crapouillou.net>
---
sound/soc/codecs/jz4770.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/jz4770.c b/sound/soc/codecs/jz4770.c
index c6b2043f31a9..002f2300e750 100644
--- a/sound/soc/codecs/jz4770.c
+++ b/sound/soc/codecs/jz4770.c
@@ -190,6 +190,9 @@ static int jz4770_codec_set_bias_level(struct snd_soc_component *codec,
switch (level) {
case SND_SOC_BIAS_PREPARE:
+ /* Reset all interrupt flags. */
+ regmap_write(regmap, JZ4770_CODEC_REG_IFR, REG_IFR_ALL_MASK);
+
regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_VIC,
REG_CR_VIC_SB);
msleep(250);
@@ -642,9 +645,6 @@ static void jz4770_codec_codec_init_regs(struct snd_soc_component *codec)
/* Send collected updates. */
regcache_cache_only(regmap, false);
regcache_sync(regmap);
-
- /* Reset all interrupt flags. */
- regmap_write(regmap, JZ4770_CODEC_REG_IFR, REG_IFR_ALL_MASK);
}
static int jz4770_codec_codec_probe(struct snd_soc_component *codec)
--
2.29.2
More information about the Alsa-devel
mailing list