[PATCH V2 3/7] soundwire: amd: add conditional for check for device resume

From: Vijendar Mukunda
Date: Mon Jan 20 2025 - 05:17:22 EST


Add a conditional check to resume SoundWire manager device, when the
SoundWire manager instance is in the suspended state.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
drivers/soundwire/amd_manager.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 60be5805715e..6831b3729db5 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -850,7 +850,10 @@ static void amd_sdw_update_slave_status(u32 status_change_0to7, u32 status_chang
static void amd_sdw_process_wake_event(struct amd_sdw_manager *amd_manager)
{
dev_dbg(amd_manager->dev, "SoundWire Wake event reported\n");
- pm_request_resume(amd_manager->dev);
+ if (pm_runtime_suspended(amd_manager->dev)) {
+ dev_dbg(amd_manager->dev, "Device is in suspend state\n");
+ pm_request_resume(amd_manager->dev);
+ }
writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance));
writel(0x00, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_8TO11);
}
--
2.34.1