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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-monterey.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-monterey.c')
-rw-r--r--drivers/hid/hid-monterey.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c
index 2cd05aa244b9..c95c31e2d869 100644
--- a/drivers/hid/hid-monterey.c
+++ b/drivers/hid/hid-monterey.c
@@ -22,14 +22,15 @@
#include "hid-ids.h"
-static void mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
- unsigned int rsize)
+static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
{
- if (rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
+ if (*rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
dev_info(&hdev->dev, "fixing up button/consumer in HID report "
"descriptor\n");
rdesc[30] = 0x0c;
}
+ return rdesc;
}
#define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \