From ed8d07acec73c34cbebd209ff7a37051424de60c Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Fri, 16 Sep 2022 14:53:52 +0100
Subject: [PATCH] soundwire: qcom: do not send status of device 0 during alert
Device0 can not be in alert status. And for consistency reasons do not
send status of device0 to core.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220916135352.19114-2-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---
drivers/soundwire/qcom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index c331e2db60fd6..ba3c2ce848175 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -420,7 +420,7 @@ static int qcom_swrm_get_alert_slave_dev_num(struct qcom_swrm_ctrl *ctrl)
ctrl->reg_read(ctrl, SWRM_MCP_SLV_STATUS, &val);
- for (dev_num = 0; dev_num < SDW_MAX_DEVICES; dev_num++) {
+ for (dev_num = 1; dev_num <= SDW_MAX_DEVICES; dev_num++) {
status = (val >> (dev_num * SWRM_MCP_SLV_STATUS_SZ));
if ((status & SWRM_MCP_SLV_STATUS_MASK) == SDW_SLAVE_ALERT) {
--
2.30.2