Re: Generic USB LED HID driver
Kirill Yatsenko <[email protected]>
| Newsgroups | gmane.linux.kernel.kernelnewbies |
|---|---|
| Message-ID | <CA+rTsQ6+yoG6t8itMeCfwX0yakAwX13dAFBJziZnzF6DsuROTQ@mail.gmail.com> |
> > Hello Greg, > > > > Thanks for the suggestions! > > Yes, it will be better to implement the communication from the userspace. > > > > However, I was curious if the kernel implements some generic LED HID > > interface already, > > without the need to write custom code. Similarly, as it's done for example > > for the HID multitouch, > > where the device only needs to report the correct report descriptor. > I do not think there is a generic HID description yet, is there? If so, > the kernel should support it, otherwise it is all vendor-specific stuff > that belongs in userspace. Thanks again for your answer. There is "LED Page" defined in HID Usage Tables. However, I can't find any drivers that implement it. But maybe I'm looking in the wrong direction. Best regards, Kirill Yatsenko On Fri, 19 Jan 2024 at 13:07, Greg KH <[email protected]> wrote: > On Fri, Jan 19, 2024 at 12:45:52PM +0100, Kirill Yatsenko wrote: > > Hello Greg, > > > > Thanks for the suggestions! > > Yes, it will be better to implement the communication from the userspace. > > > > However, I was curious if the kernel implements some generic LED HID > > interface already, > > without the need to write custom code. Similarly, as it's done for > example > > for the HID multitouch, > > where the device only needs to report the correct report descriptor. > > I do not think there is a generic HID description yet, is there? If so, > the kernel should support it, otherwise it is all vendor-specific stuff > that belongs in userspace. > > thanks, > > greg k-h > _______________________________________________ Kernelnewbies mailing list [email protected] https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies