diff options
| author | Stefan Binding <sbinding@opensource.cirrus.com> | 2023-07-21 16:18:07 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-07-24 10:59:59 +0200 |
| commit | f8264c7592088727629e14f396f95ad643847740 (patch) | |
| tree | 2aa0caf1e8ca3b979c9d9860d556c8efa154442e /sound/soc/codecs/cs35l41.c | |
| parent | fa3efcc36aacdd8ac9372217970d0ed2eb293fcc (diff) | |
ALSA: cs35l41: Poll for Power Up/Down rather than waiting a fixed delay
To ensure the chip has correctly powered up or down before continuing,
the driver will now poll a register, rather than wait a fixed delay.
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230721151816.2080453-3-sbinding@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/codecs/cs35l41.c')
| -rw-r--r-- | sound/soc/codecs/cs35l41.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index d4e9c9d9b50a..2b3c36f02edb 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -491,7 +491,6 @@ static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w, { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component); - unsigned int val; int ret = 0; switch (event) { @@ -507,15 +506,6 @@ static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w, ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type, 0, &cs35l41->pll_lock, cs35l41->dsp.cs_dsp.running); - ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS1, - val, val & CS35L41_PDN_DONE_MASK, - 1000, 100000); - if (ret) - dev_warn(cs35l41->dev, "PDN failed: %d\n", ret); - - regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1, - CS35L41_PDN_DONE_MASK); - regmap_multi_reg_write_bypassed(cs35l41->regmap, cs35l41_pdn_patch, ARRAY_SIZE(cs35l41_pdn_patch)); |