iwlwifi: keep track of bt coex enable/disable stage

For debugging purpose, keep track of the bt coex enable/disable state.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index d36836376e6b..6fe80b5e7a15 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1567,6 +1567,13 @@ static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
         const size_t bufsz = sizeof(buf);
         ssize_t ret;
 
+        if (!priv->bt_enable_flag) {
+                pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
+                ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+                return ret;
+        }
+        pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
+                priv->bt_enable_flag);
         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "