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Commit f21dd005 authored by Wey-Yi Guy's avatar Wey-Yi Guy
Browse files

iwlwifi: keep track of bt coex enable/disable stage 



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

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
parent 50619ac9

drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c

+3 −0
Original line number Diff line number Diff line
@@ -856,6 +856,9 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file, 
	if (!iwl_is_alive(priv))

		return -EAGAIN;



	if (!priv->bt_enable_flag)

		return -EINVAL;



	/* make request to uCode to retrieve statistics information */

	mutex_lock(&priv->mutex);

	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

+1 −0
Original line number Diff line number Diff line
@@ -1845,6 +1845,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) 
			bt_cmd.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;

		IWL_DEBUG_INFO(priv, "BT coex flag: 0X%x\n", bt_cmd.flags);

	}

	priv->bt_enable_flag = bt_cmd.flags;

	if (priv->bt_full_concurrent)

		memcpy(bt_cmd.bt3_lookup_table, iwlagn_concurrent_lookup,

			sizeof(iwlagn_concurrent_lookup));

drivers/net/wireless/iwlwifi/iwl-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1223,6 +1223,7 @@ void iwl_send_bt_config(struct iwl_priv *priv) 
	else

		bt_cmd.flags = BT_COEX_ENABLE;



	priv->bt_enable_flag = bt_cmd.flags;

	IWL_DEBUG_INFO(priv, "BT coex %s\n",

		(bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active");

drivers/net/wireless/iwlwifi/iwl-debugfs.c

+7 −0
Original line number Diff line number Diff line
@@ -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, "

drivers/net/wireless/iwlwifi/iwl-dev.h

+1 −0
Original line number Diff line number Diff line
@@ -1468,6 +1468,7 @@ struct iwl_priv { 
	};



	/* bt coex */

	u8 bt_enable_flag;

	u8 bt_status;

	u8 bt_traffic_load, last_bt_traffic_load;

	bool bt_ch_announce;