Commit 336beae2 authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
Browse files

ASoC: SDCA: Add comment for function reset polling 



Add a comment to better explain the function reset polling rate.

Tested-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: default avatarMaciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Tested-by: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20251120153023.2105663-6-ckeepax@opensource.cirrus.com


Reviewed-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cc58055b

sound/soc/sdca/sdca_fdl.c

+4 −0
Original line number Diff line number Diff line
@@ -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,