diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2025-11-20 15:30:14 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-11-20 17:22:53 +0000 |
| commit | 336beae295bf6973e5c8c222dfec6b8faf3c55f6 (patch) | |
| tree | 12fb8ff41b350c1d0e41db6e5e093ef5bc6be3a6 | |
| parent | cc58055bfefa065b68a8ab92a0196c9b24f46f02 (diff) | |
ASoC: SDCA: Add comment for function reset polling
Add a comment to better explain the function reset polling rate.
Tested-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Tested-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20251120153023.2105663-6-ckeepax@opensource.cirrus.com
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/sdca/sdca_fdl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/sdca/sdca_fdl.c b/sound/soc/sdca/sdca_fdl.c index 6568afacdf1a..3180ebd07c40 100644 --- a/sound/soc/sdca/sdca_fdl.c +++ b/sound/soc/sdca/sdca_fdl.c @@ -51,6 +51,10 @@ int sdca_reset_function(struct device *dev, struct sdca_function_data *function, return -EINVAL; } + /* + * Poll up to 16 times but no more than once per ms, these are just + * arbitrarily selected values, so may be fine tuned in future. + */ poll_us = umin(function->reset_max_delay >> 4, 1000); ret = regmap_read_poll_timeout(regmap, reg, val, !val, poll_us, |