Commit f84d41b2 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Vinod Koul
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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: c7d49c76 ("soundwire: qcom: add support to new interrupts")
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230525133812.30841-2-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent c40d6b32

drivers/soundwire/qcom.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

		}

	}