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| Started by | Eric Curtin <ericcurtin17@gmail.com> |
|---|---|
| First post | 2015-10-15 00:40 +0200 |
| Last post | 2015-10-15 00:40 +0200 |
| Articles | 1 — 1 participant |
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Re: Problems with printk logs and my driver Eric Curtin <ericcurtin17@gmail.com> - 2015-10-15 00:40 +0200
| From | Eric Curtin <ericcurtin17@gmail.com> |
|---|---|
| Date | 2015-10-15 00:40 +0200 |
| Subject | Re: Problems with printk logs and my driver |
| Message-ID | <qjCSd-459-5@gated-at.bofh.it> |
On 4 October 2015 at 16:28, Alan Stern <stern@rowland.harvard.edu> wrote: > On Sun, 4 Oct 2015, Eric Curtin wrote: > >> Ok so for the fun of it, I changed the VENDOR_ID and DEVICE_ID of my >> keyboard to use the driver for this samsung Wireless keyboard and >> mouse, crazy I know since I have a different piece of hardware, but I >> wanted to see what happens or at least does it change driver. When I >> reboot to this kernel, my keyboard still uses the usbhid driver. Why >> does this happen? > > Because the Samsung wireless keyboard and mouse also use the usbhid > driver. Besides, the choice of driver depends just as much on the > bInterfaceClass, -Subclass, and -Protocol as on the vendor and product > IDs. > > Basically, nothing needs to use usbkbd. Anything that driver can > handle will also work with usbhid. The only reason for keeping usbkbd > as a separate driver is because it is smaller than usbhid, so it's > better suited to some embedded applications with limited memory. > > Alan Stern > After looking at this again today, I cannot reproduce the problem anymore. I took out the battery on this keyboard and put it back in and the issue is now not reproducible. Pity, I was hoping to get to the bottom of this one. It works in X but not in console mode. I tried another one and it had the same result, it's a more standard usb keyboard. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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