diff options
| author | Khanh Le <khanh.le.xr@renesas.com> | 2026-09-17 03:02:42 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-09-17 16:58:03 +0100 |
| commit | d5212d2d50f36a132568534ca637b56ae50f3f02 (patch) | |
| tree | 277a17e259319525f1afe0ae6c3a7564660b3114 | |
| parent | 36929e623f9af0b23c2dc70856af93ab0212d8bf (diff) | |
| download | linux-next-d5212d2d50f36a132568534ca637b56ae50f3f02.tar.gz linux-next-d5212d2d50f36a132568534ca637b56ae50f3f02.zip | |
ASoC: ak4619: Add suspend and resume callbacks
After resuming from S2R, the register cache is out of sync with
the hardware.
Implement suspend and resume callbacks to properly restore
the configuration of the codec on resume.
Signed-off-by: Khanh Le <khanh.le.xr@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87a4pgzijx.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/ak4619.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/codecs/ak4619.c b/sound/soc/codecs/ak4619.c index d9c9f6b20028..5252b30669d4 100644 --- a/sound/soc/codecs/ak4619.c +++ b/sound/soc/codecs/ak4619.c @@ -799,7 +799,26 @@ static const struct snd_soc_dai_ops ak4619_dai_ops = { .num_auto_selectable_formats = ARRAY_SIZE(ak4619_dai_formats), }; +static int ak4619_suspend(struct snd_soc_component *component) +{ + struct regmap *regmap = dev_get_regmap(component->dev, NULL); + + regcache_cache_only(regmap, true); + regcache_mark_dirty(regmap); + return 0; +} + +static int ak4619_resume(struct snd_soc_component *component) +{ + struct regmap *regmap = dev_get_regmap(component->dev, NULL); + + regcache_cache_only(regmap, false); + return regcache_sync(regmap); +} + static const struct snd_soc_component_driver soc_component_dev_ak4619 = { + .suspend = ak4619_suspend, + .resume = ak4619_resume, .set_bias_level = ak4619_set_bias_level, .controls = ak4619_snd_controls, .num_controls = ARRAY_SIZE(ak4619_snd_controls), |