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soundwire: intel: add link power management callbacks in hw_ops

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No functionality change, only add indirection for link power
management helpers.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart
2022-11-11 09:31:32 +08:00
committed by Vinod Koul
parent 3db0c5a6a2
commit 49c9ff4599
3 changed files with 32 additions and 10 deletions
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5
include/linux/soundwire/sdw_intel.h
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@@ -305,6 +305,8 @@ struct sdw_intel;
* @start_bus_after_reset: start after reset
* @start_bus_after_clock_stop: start after mode0 clock stop
* @stop_bus: stop all bus
* @link_power_up: power-up using chip-specific helpers
* @link_power_down: power-down with chip-specific helpers
* @pre_bank_switch: helper for bus management
* @post_bank_switch: helper for bus management
*/
@@ -320,6 +322,9 @@ struct sdw_intel_hw_ops {
int (*start_bus_after_clock_stop)(struct sdw_intel *sdw);
int (*stop_bus)(struct sdw_intel *sdw, bool clock_stop);
int (*link_power_up)(struct sdw_intel *sdw);
int (*link_power_down)(struct sdw_intel *sdw);
int (*pre_bank_switch)(struct sdw_intel *sdw);
int (*post_bank_switch)(struct sdw_intel *sdw);
};