soundwire: qcom: update status correctly with mask

SoundWire device status can be incorrectly updated without
proper mask, fix this by adding a mask before updating the status.

Fixes: c7d49c7 ("soundwire: qcom: add support to new interrupts")
Signed-off-by: Srinivas Kandagatla <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Srinivas-Kandagatla

drivers/soundwire/qcom.c

@@ -540,7 +540,7 @@ static int qcom_swrm_get_alert_slave_dev_num(struct qcom_swrm_ctrl *ctrl)
 		status = (val >> (dev_num * SWRM_MCP_SLV_STATUS_SZ));
 
 		if ((status & SWRM_MCP_SLV_STATUS_MASK) == SDW_SLAVE_ALERT) {
-			ctrl->status[dev_num] = status;
+			ctrl->status[dev_num] = status & SWRM_MCP_SLV_STATUS_MASK;
 			return dev_num;
 		}
 	}