From 73e4008ddddc84d5f2499c17012b340a0dae153e Mon Sep 17 00:00:00 2001 From: Nikolai Kondrashov Date: Fri, 6 Aug 2010 23:03:06 +0400 Subject: HID: allow resizing and replacing report descriptors Update hid_driver's report_fixup prototype to allow changing report descriptor size and/or returning completely different report descriptor. Update existing usage accordingly. This is to give more freedom in descriptor fixup and to allow having a whole fixed descriptor in the code for the sake of readability. Signed-off-by: Nikolai Kondrashov Signed-off-by: Jiri Kosina --- drivers/hid/hid-kye.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/hid/hid-kye.c') diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index f8871712b7b..817247ee006 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -23,10 +23,10 @@ * - report size 8 count 1 must be size 1 count 8 for button bitfield * - change the button usage range to 4-7 for the extra buttons */ -static void kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, - unsigned int rsize) +static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) { - if (rsize >= 74 && + if (*rsize >= 74 && rdesc[61] == 0x05 && rdesc[62] == 0x08 && rdesc[63] == 0x19 && rdesc[64] == 0x08 && rdesc[65] == 0x29 && rdesc[66] == 0x0f && @@ -40,6 +40,7 @@ static void kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[72] = 0x01; rdesc[74] = 0x08; } + return rdesc; } static const struct hid_device_id kye_devices[] = { -- cgit v1.2.3-70-g09d2