[PATCH V2] soundwire: amd: clear wake enable register for power off mode

From: Vijendar Mukunda
Date: Mon Dec 23 2024 - 01:25:49 EST


As per design for AMD SoundWire manager power off mode, clear the wake
enable register during resume sequence.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
Changes Since v1:
- Replaced 0x00 with 0 in register write
- Updte Commit message


drivers/soundwire/amd_manager.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 5a4bfaef65fb..ca271a728a65 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -1190,6 +1190,7 @@ static int __maybe_unused amd_resume_runtime(struct device *dev)
if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) {
return amd_sdw_clock_stop_exit(amd_manager);
} else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) {
+ writel(0, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance));
val = readl(amd_manager->mmio + ACP_SW_CLK_RESUME_CTRL);
if (val) {
val |= AMD_SDW_CLK_RESUME_REQ;
--
2.34.1