Commit 8b7e5840 authored by Andreas Bergmeier's avatar Andreas Bergmeier Committed by Jiri Kosina
Browse files

HID: logitech HID++: Send SwID in GetProtocolVersion 



According to docs a SwID should be sent for GetProtocolVersion.
> 0x10.DeviceIndex.0x00.0x1n
where n is SwID.

Signed-off-by: default avatarAndreas Bergmeier <abergmeier@gmx.net>
Reviewed-by: default avatarBastien Nocera <hadess@hadess.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 9c730fe1

drivers/hid/hid-logitech-hidpp.c

+1 −1
Original line number Diff line number Diff line
@@ -895,7 +895,7 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) 
	ret = hidpp_send_rap_command_sync(hidpp,

			REPORT_ID_HIDPP_SHORT,

			HIDPP_PAGE_ROOT_IDX,

			CMD_ROOT_GET_PROTOCOL_VERSION,

			CMD_ROOT_GET_PROTOCOL_VERSION | LINUX_KERNEL_SW_ID,

			ping_data, sizeof(ping_data), &response);



	if (ret == HIDPP_ERROR_INVALID_SUBID) {