Unverified Commit 7b6be935 authored Oct 20, 2025 by Charles Keepax Committed by Mark Brown Oct 27, 2025

ASoC: SDCA: Parse Function Reset max delay

Parse the DisCo property to get the timeout for a Function Reset.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20251020155512.353774-12-ckeepax@opensource.cirrus.com

Signed-off-by: Mark Brown <broonie@kernel.org>

parent 0a5e9769

include/sound/sdca_function.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -1323,6 +1323,8 @@ enum sdca_cluster_range {
		* @num_clusters: Number of Channel Clusters reported in this Function.
		* @busy_max_delay: Maximum Function busy delay in microseconds, before an
		* error should be reported.
		* @reset_max_delay: Maximum Function reset delay in microseconds, before an
		* error should be reported.
		*/
		struct sdca_function_data {
		struct sdca_function_desc *desc;
		@@ -1335,6 +1337,7 @@ struct sdca_function_data {
		int num_clusters;

		unsigned int busy_max_delay;
		unsigned int reset_max_delay;
		};

		static inline u32 sdca_range(struct sdca_control_range *range,

sound/soc/sdca/sdca_functions.c

+8 −2

Original line number	Diff line number	Diff line
		@@ -2033,8 +2033,14 @@ int sdca_parse_function(struct device dev, struct sdw_slave sdw,
		if (!ret)
		function->busy_max_delay = tmp;

		dev_info(dev, "%pfwP: name %s delay %dus\n", function->desc->node,
		function->desc->name, function->busy_max_delay);
		ret = fwnode_property_read_u32(function_desc->node,
		"mipi-sdca-function-reset-max-delay", &tmp);
		if (!ret)
		function->reset_max_delay = tmp;

		dev_info(dev, "%pfwP: name %s busy delay %dus reset delay %dus\n",
		function->desc->node, function->desc->name,
		function->busy_max_delay, function->reset_max_delay);

		ret = find_sdca_init_table(dev, function_desc->node, function);
		if (ret)