Hi Hsin-chen, On Mon, Jan 20, 2025 at 3:47 AM Hsin-chen Chuang <chharry@xxxxxxxxxx> wrote: > > From: Hsin-chen Chuang <chharry@xxxxxxxxxxxx> > > The functionality was implemented in commit 0f8a00137411 ("Bluetooth: > Allow reset via sysfs") > > Fixes: 0f8a00137411 ("Bluetooth: Allow reset via sysfs") > Signed-off-by: Hsin-chen Chuang <chharry@xxxxxxxxxxxx> > --- > > Changes in v2: > - Resolved review comments from Paul > > Documentation/ABI/stable/sysfs-class-bluetooth | 9 +++++++++ > MAINTAINERS | 1 + > 2 files changed, 10 insertions(+) > create mode 100644 Documentation/ABI/stable/sysfs-class-bluetooth > > diff --git a/Documentation/ABI/stable/sysfs-class-bluetooth b/Documentation/ABI/stable/sysfs-class-bluetooth > new file mode 100644 > index 000000000000..36be02471174 > --- /dev/null > +++ b/Documentation/ABI/stable/sysfs-class-bluetooth > @@ -0,0 +1,9 @@ > +What: /sys/class/bluetooth/hci<index>/reset > +Date: 14-Jan-2025 > +KernelVersion: 6.13 > +Contact: linux-bluetooth@xxxxxxxxxxxxxxx > +Description: This write-only attribute allows users to trigger the vendor reset > + method on the Bluetooth device when arbitrary data is written. > + The reset may or may not be done through the device transport > + (e.g., UART/USB), and can also be done through an out-of-band > + approach such as GPIO. > diff --git a/MAINTAINERS b/MAINTAINERS > index 797e94ba74f7..e949c3ac7846 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -4058,6 +4058,7 @@ S: Supported > W: http://www.bluez.org/ > T: git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git > T: git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git > +F: Documentation/ABI/stable/sysfs-class-bluetooth > F: include/net/bluetooth/ > F: net/bluetooth/ > > -- > 2.48.0.rc2.279.g1de40edade-goog We also need something similar for Bluetooth: btusb: add sysfs attribute to control USB alt setting -- Luiz Augusto von Dentz