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ASoC: cs35l41: Handle mdsync_up reg write errors

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The return code of regmap_multi_reg_write() call related to "MDSYNC up"
sequence is shadowed by the subsequent regmap_read_poll_timeout()
invocation, which will hit a timeout in case the write operation above
fails.

Make sure cs35l41_global_enable() returns the correct error code instead
of -ETIMEDOUT.

Additionally, to be able to distinguish between the timeouts of
wait_for_completion_timeout() and regmap_read_poll_timeout(), print an
error message for the former and return immediately.  This also avoids
having to wait unnecessarily for the second time.

Fixes: f8264c7592 ("ALSA: cs35l41: Poll for Power Up/Down rather than waiting a fixed delay")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230907171010.1447274-3-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cristian Ciocaltea 2023-09-07 20:10:01 +03:00 committed by Mark Brown
parent a9a3f54a23
commit 4bb5870ab6
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GPG Key ID: 24D68B725D5487D0
1 changed files with 10 additions and 7 deletions
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17
sound/soc/codecs/cs35l41-lib.c
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@ -1251,15 +1251,18 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4
ret = wait_for_completion_timeout(pll_lock, msecs_to_jiffies(1000));
if (ret == 0) {
ret = -ETIMEDOUT;
} else {
regmap_read(regmap, CS35L41_PWR_CTRL3, &pwr_ctrl3);
pwr_ctrl3 |= CS35L41_SYNC_EN_MASK;
cs35l41_mdsync_up_seq[0].def = pwr_ctrl3;
ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_up_seq,
ARRAY_SIZE(cs35l41_mdsync_up_seq));
dev_err(dev, "Timed out waiting for pll_lock\n");
return -ETIMEDOUT;
}
regmap_read(regmap, CS35L41_PWR_CTRL3, &pwr_ctrl3);
pwr_ctrl3 |= CS35L41_SYNC_EN_MASK;
cs35l41_mdsync_up_seq[0].def = pwr_ctrl3;
ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_up_seq,
ARRAY_SIZE(cs35l41_mdsync_up_seq));
if (ret)
return ret;
ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1,
int_status, int_status & pup_pdn_mask,
1000, 100000);