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authorNikolai Kondrashov <spbnick@gmail.com>2010-08-06 23:03:06 +0400
committerJiri Kosina <jkosina@suse.cz>2010-08-09 21:52:42 +0400
commit73e4008ddddc84d5f2499c17012b340a0dae153e (patch)
treed3adfa8c5792e71c21cb7a9cd18517cce9c92685 /drivers/hid/hid-zydacron.c
parent3cfc2c42c1cbc8e238bb9c0612c0df4565e3a8b4 (diff)
downloadlinux-73e4008ddddc84d5f2499c17012b340a0dae153e.tar.xz
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 <spbnick@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-zydacron.c')
-rw-r--r--drivers/hid/hid-zydacron.c7
1 files changed, 4 insertions, 3 deletions
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) \