diff options
Diffstat (limited to 'gnu/packages/patches/linux-libre-pinebook-pro-05-bluetooth-hci_bcm-disable-power-on-shutdown.patch')
| -rw-r--r-- | gnu/packages/patches/linux-libre-pinebook-pro-05-bluetooth-hci_bcm-disable-power-on-shutdown.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/linux-libre-pinebook-pro-05-bluetooth-hci_bcm-disable-power-on-shutdown.patch b/gnu/packages/patches/linux-libre-pinebook-pro-05-bluetooth-hci_bcm-disable-power-on-shutdown.patch new file mode 100644 index 0000000000..4ec2d8b6ef --- /dev/null +++ b/gnu/packages/patches/linux-libre-pinebook-pro-05-bluetooth-hci_bcm-disable-power-on-shutdown.patch @@ -0,0 +1,51 @@ +From 60a2b2a921205f5a42c94f7e9c491ca7d11ad820 Mon Sep 17 00:00:00 2001 +From: Tobias Schramm <t.schramm@manjaro.org> +Date: Thu, 28 May 2020 14:15:08 +0200 +Subject: [PATCH 05/22] bluetooth: hci_bcm: disable power on shutdown + +Firmware behaves wonky when not power cycled over reboots + +Signed-off-by: Tobias Schramm <t.schramm@manjaro.org> +--- + drivers/bluetooth/hci_bcm.c | 18 ++++++++++++++++++ + 1 file changed, 18 insertions(+) + +diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c +index 8ea5ca8d71d6..6d5871992f79 100644 +--- a/drivers/bluetooth/hci_bcm.c ++++ b/drivers/bluetooth/hci_bcm.c +@@ -1469,6 +1469,23 @@ static void bcm_serdev_remove(struct serdev_device *serdev) + hci_uart_unregister_device(&bcmdev->serdev_hu); + } + ++static void bcm_serdev_shutdown(struct serdev_device *serdev) ++{ ++ struct bcm_device *bcmdev = serdev_device_get_drvdata(serdev); ++ ++/* ++ if (test_bit(HCI_UART_REGISTERED, &bcmdev->hu->flags)) { ++ hci_uart_unregister_device(&bcmdev->serdev_hu); ++ } ++*/ ++ dev_info(bcmdev->dev, "Cutting power to bluetooth module\n"); ++ if (bcm_gpio_set_power(bcmdev, false)) { ++ dev_err(bcmdev->dev, "Failed to power down\n"); ++ } ++ usleep_range(500000, 1000000); ++} ++ ++ + #ifdef CONFIG_OF + static struct bcm_device_data bcm4354_device_data = { + .no_early_set_baudrate = true, +@@ -1494,6 +1511,7 @@ MODULE_DEVICE_TABLE(of, bcm_bluetooth_of_match); + static struct serdev_device_driver bcm_serdev_driver = { + .probe = bcm_serdev_probe, + .remove = bcm_serdev_remove, ++ .shutdown = bcm_serdev_shutdown, + .driver = { + .name = "hci_uart_bcm", + .of_match_table = of_match_ptr(bcm_bluetooth_of_match), +-- +2.30.0 + |