On 01/23/14 14:27, Gleb Smirnoff wrote:
Hans, can you provide any advice on adding USB quirck. We've got
different touchscreens that are identified and attached by uep(4),
but they behave differently. Is there a way to fetch additional
information from a device (vendor, revision, etc...)?
Hi,
Quirks can match on some fields in the USB device descriptor. See the
usb_quirk.h header file.
struct usb_quirk_entry {
uint16_t vid;
uint16_t pid;
uint16_t lo_rev;
uint16_t hi_rev;
uint16_t quirks[USB_SUB_QUIRKS_MAX];
};
vid: Vendor ID
pid: Product ID
hi_rev+lo_rev: Device revision.
You can match on vendor only too.
--HPS
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