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| author | Benjamin Tissoires <benjamin.tissoires@gmail.com> | 2013-01-31 16:22:23 (GMT) |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-02-05 11:07:39 (GMT) |
| commit | 6d85d037d6247b06e1060b5e5ad0e4854a7d1e3b (patch) | |
| tree | d2340762020aa4c8512a21d74f564d73d3f9fde8 | |
| parent | cf5425bfcd6909f9831a00bc06ccb9a5b163766a (diff) | |
| download | linux-6d85d037d6247b06e1060b5e5ad0e4854a7d1e3b.tar.xz | |
HID: core: add "report" hook, called once the report has been parsed
This callback is called when the parsing of the report has been done
by hid-core (so after the calls to .event). The hid drivers can now
have access to the whole report by relying on the values stored in
the different fields.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| -rw-r--r-- | drivers/hid/hid-core.c | 4 | ||||
| -rw-r--r-- | include/linux/hid.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index eb2ee11..754098a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1195,6 +1195,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, { struct hid_report_enum *report_enum = hid->report_enum + type; struct hid_report *report; + struct hid_driver *hdrv; unsigned int a; int rsize, csize = size; u8 *cdata = data; @@ -1231,6 +1232,9 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, if (hid->claimed != HID_CLAIMED_HIDRAW) { for (a = 0; a < report->maxfield; a++) hid_input_field(hid, report->field[a], cdata, interrupt); + hdrv = hid->driver; + if (hdrv && hdrv->report) + hdrv->report(hid, report); } if (hid->claimed & HID_CLAIMED_INPUT) diff --git a/include/linux/hid.h b/include/linux/hid.h index 7330a0f..9f56e90 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -589,6 +589,7 @@ struct hid_usage_id { * @raw_event: if report in report_table, this hook is called (NULL means nop) * @usage_table: on which events to call event (NULL means all) * @event: if usage in usage_table, this hook is called (NULL means nop) + * @report: this hook is called after parsing a report (NULL means nop) * @report_fixup: called before report descriptor parsing (NULL means nop) * @input_mapping: invoked on input registering before mapping an usage * @input_mapped: invoked on input registering after mapping an usage @@ -627,6 +628,7 @@ struct hid_driver { const struct hid_usage_id *usage_table; int (*event)(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value); + void (*report)(struct hid_device *hdev, struct hid_report *report); __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, unsigned int *size); |