On Fri, 11 Nov 2022, Andreas Bergmeier wrote:
> According to docs a SwID should be sent for GetProtocolVersion.
> > 0x10.DeviceIndex.0x00.0x1n
> where n is SwID
>
> Signed-off-by: Andreas Bergmeier <abergmeier@xxxxxxx>
> ---
> drivers/hid/hid-logitech-hidpp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
> index a0c148a8df6c..964a523c3de7 100644
> --- a/drivers/hid/hid-logitech-hidpp.c
> +++ b/drivers/hid/hid-logitech-hidpp.c
> @@ -896,7 +896,7 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
>
> ret = hidpp_send_rap_command_sync(hidpp,
> 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) {
Applied, thanks Andreas.
--
Jiri Kosina
SUSE Labs
