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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2023-05-15 15:10:22 +0800
committerVinod Koul <vkoul@kernel.org>2023-05-27 16:06:45 +0530
commit881cf1e9df731e6dc238ca83067c17c782e2a059 (patch)
tree42631f4159e186bdfe25efde7970f61d106cb763 /include/linux/soundwire
parente40e0e11fe64a0ac93fb11c3c448b844516bc6ee (diff)
ASoC/soundwire: intel: pass hdac_bus pointer for link management
The hdac_bus pointer is used to access the extended link information and handle power management. Pass it from the SOF driver down to the auxiliary devices. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230515071042.2038-7-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/soundwire')
-rw-r--r--include/linux/soundwire/sdw_intel.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 88eb5bf98140..c4281aa06e2e 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -269,6 +269,8 @@ struct sdw_intel_slave_id {
struct sdw_slave_id id;
};
+struct hdac_bus;
+
/**
* struct sdw_intel_ctx - context allocated by the controller
* driver probe
@@ -324,6 +326,7 @@ struct sdw_intel_ctx {
* @shim_base: sdw shim base.
* @alh_base: sdw alh base.
* @ext: extended HDaudio link support
+ * @hbus: hdac_bus pointer, needed for power management
*/
struct sdw_intel_res {
const struct sdw_intel_hw_ops *hw_ops;
@@ -339,6 +342,7 @@ struct sdw_intel_res {
u32 shim_base;
u32 alh_base;
bool ext;
+ struct hdac_bus *hbus;
};
/*