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author | David Herrmann <dh.herrmann@googlemail.com> | 2012-06-10 15:16:21 +0200 |
---|---|---|
committer | Humberto Borba <humberos@gmail.com> | 2013-01-12 21:05:08 -0200 |
commit | 4517caad80e5d9b3111e98c745ed5a574125eb1b (patch) | |
tree | efde41dc88e6ec8b9de27f1bec9f3b3e3e322fb3 | |
parent | 3c0a833879f71ea38fe6886183a41eaf27238253 (diff) | |
download | kernel_samsung_smdk4412-4517caad80e5d9b3111e98c745ed5a574125eb1b.zip kernel_samsung_smdk4412-4517caad80e5d9b3111e98c745ed5a574125eb1b.tar.gz kernel_samsung_smdk4412-4517caad80e5d9b3111e98c745ed5a574125eb1b.tar.bz2 |
HID: uhid: add UHID_START and UHID_STOP events
We send UHID_START and UHID_STOP events to user-space when the HID core
starts/stops the device. This notifies user-space about driver readiness
and data-I/O can start now.
This directly forwards the callbacks from hid-core to user-space.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r-- | drivers/hid/uhid.c | 8 | ||||
-rw-r--r-- | include/linux/uhid.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 0d011db..2e7f3a0 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -82,11 +82,17 @@ static int uhid_queue_event(struct uhid_device *uhid, __u32 event) static int uhid_hid_start(struct hid_device *hid) { - return 0; + struct uhid_device *uhid = hid->driver_data; + + return uhid_queue_event(uhid, UHID_START); } static void uhid_hid_stop(struct hid_device *hid) { + struct uhid_device *uhid = hid->driver_data; + + hid->claimed = 0; + uhid_queue_event(uhid, UHID_STOP); } static int uhid_hid_open(struct hid_device *hid) diff --git a/include/linux/uhid.h b/include/linux/uhid.h index 6eb42be..f8ce6f7 100644 --- a/include/linux/uhid.h +++ b/include/linux/uhid.h @@ -25,6 +25,8 @@ enum uhid_event_type { UHID_CREATE, UHID_DESTROY, + UHID_START, + UHID_STOP, UHID_INPUT, }; |