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soundwire: intel: add sync_arm/sync_go to ops

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The bus start/stop sequences can be reused between platforms if we add
a couple of new callbacks. In following patches the code will be moved to
a shared file.

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/20230314015410.487311-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart
2023-03-14 09:54:00 +08:00
committed by Vinod Koul
parent 9c49a4dd6c
commit 84706e9a75
3 changed files with 38 additions and 6 deletions
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8
include/linux/soundwire/sdw_intel.h
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@@ -309,6 +309,10 @@ struct sdw_intel;
* @shim_wake: enable/disable in-band wake management
* @pre_bank_switch: helper for bus management
* @post_bank_switch: helper for bus management
* @sync_arm: helper for multi-link synchronization
* @sync_go_unlocked: helper for multi-link synchronization -
* shim_lock is assumed to be locked at higher level
* @sync_go: helper for multi-link synchronization
*/
struct sdw_intel_hw_ops {
void (*debugfs_init)(struct sdw_intel *sdw);
@@ -330,6 +334,10 @@ struct sdw_intel_hw_ops {
int (*pre_bank_switch)(struct sdw_intel *sdw);
int (*post_bank_switch)(struct sdw_intel *sdw);
void (*sync_arm)(struct sdw_intel *sdw);
int (*sync_go_unlocked)(struct sdw_intel *sdw);
int (*sync_go)(struct sdw_intel *sdw);
};
extern const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops;