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-zydacron.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/hid/hid-zydacron.c') diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c index 9e8d35a203e4..aac1f9273149 100644 --- a/drivers/hid/hid-zydacron.c +++ b/drivers/hid/hid-zydacron.c @@ -27,10 +27,10 @@ struct zc_device { * Zydacron remote control has an invalid HID report descriptor, * that needs fixing before we can parse it. */ -static void zc_report_fixup(struct hid_device *hdev, __u8 *rdesc, - unsigned int rsize) +static __u8 *zc_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) { - if (rsize >= 253 && + if (*rsize >= 253 && rdesc[0x96] == 0xbc && rdesc[0x97] == 0xff && rdesc[0xca] == 0xbc && rdesc[0xcb] == 0xff && rdesc[0xe1] == 0xbc && rdesc[0xe2] == 0xff) { @@ -40,6 +40,7 @@ static void zc_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[0x96] = rdesc[0xca] = rdesc[0xe1] = 0x0c; rdesc[0x97] = rdesc[0xcb] = rdesc[0xe2] = 0x00; } + return rdesc; } #define zc_map_key_clear(c) \ -- cgit