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Bluetooth: Expose default connection latency setting via debugfs

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The controller has a default value for the connection latency. Expose
this via debugfs for testing purposes.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2014-06-30 12:34:37 +02:00
parent 04fb7d9066
commit 816a93d10a
1 changed files with 30 additions and 0 deletions
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30
net/bluetooth/hci_core.c
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@ -851,6 +851,34 @@ static int conn_max_interval_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get,
conn_max_interval_set, "%llu\n");
static int conn_latency_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
if (val > 0x01f3)
return -EINVAL;
hci_dev_lock(hdev);
hdev->le_conn_latency = val;
hci_dev_unlock(hdev);
return 0;
}
static int conn_latency_get(void *data, u64 *val)
{
struct hci_dev *hdev = data;
hci_dev_lock(hdev);
*val = hdev->le_conn_latency;
hci_dev_unlock(hdev);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(conn_latency_fops, conn_latency_get,
conn_latency_set, "%llu\n");
static int adv_channel_map_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
@ -1708,6 +1736,8 @@ static int __hci_init(struct hci_dev *hdev)
hdev, &conn_min_interval_fops);
debugfs_create_file("conn_max_interval", 0644, hdev->debugfs,
hdev, &conn_max_interval_fops);
debugfs_create_file("conn_latency", 0644, hdev->debugfs,
hdev, &conn_latency_fops);
debugfs_create_file("adv_channel_map", 0644, hdev->debugfs,
hdev, &adv_channel_map_fops);
debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,