diff options
Diffstat (limited to 'drivers/bluetooth/hci_intel.c')
| -rw-r--r-- | drivers/bluetooth/hci_intel.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index f6f2b01a1fea..ed0a4201b551 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -537,9 +537,7 @@ static int intel_setup(struct hci_uart *hu) { static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x04, 0x00 }; - static const u8 lpm_param[] = { 0x03, 0x07, 0x01, 0x0b }; struct intel_data *intel = hu->priv; - struct intel_device *idev = NULL; struct hci_dev *hdev = hu->hdev; struct sk_buff *skb; struct intel_version ver; @@ -884,35 +882,23 @@ done: bt_dev_info(hdev, "Device booted in %llu usecs", duration); - /* Enable LPM if matching pdev with wakeup enabled */ + /* Enable LPM if matching pdev with wakeup enabled, set TX active + * until further LPM TX notification. + */ mutex_lock(&intel_device_list_lock); list_for_each(p, &intel_device_list) { struct intel_device *dev = list_entry(p, struct intel_device, list); if (hu->tty->dev->parent == dev->pdev->dev.parent) { - if (device_may_wakeup(&dev->pdev->dev)) - idev = dev; + if (device_may_wakeup(&dev->pdev->dev)) { + set_bit(STATE_LPM_ENABLED, &intel->flags); + set_bit(STATE_TX_ACTIVE, &intel->flags); + } break; } } mutex_unlock(&intel_device_list_lock); - if (!idev) - goto no_lpm; - - bt_dev_info(hdev, "Enabling LPM"); - - skb = __hci_cmd_sync(hdev, 0xfc8b, sizeof(lpm_param), lpm_param, - HCI_CMD_TIMEOUT); - if (IS_ERR(skb)) { - bt_dev_err(hdev, "Failed to enable LPM"); - goto no_lpm; - } - kfree_skb(skb); - - set_bit(STATE_LPM_ENABLED, &intel->flags); - -no_lpm: /* Ignore errors, device can work without DDC parameters */ btintel_load_ddc_config(hdev, fwname); |