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authorBruno Prémont <bonbons@linux-vserver.org>2010-03-30 22:34:30 +0200
committerJiri Kosina <jkosina@suse.cz>2010-03-31 11:21:29 +0200
commitb8c21cf697d165999cc21a90e6caa73690ac6190 (patch)
tree795001ad27187193af60ca856a19790c9c29e122 /drivers/hid/usbhid
parentHID: new driver for PicoLCD device (diff)
downloadlinux-b8c21cf697d165999cc21a90e6caa73690ac6190.tar.xz
linux-b8c21cf697d165999cc21a90e6caa73690ac6190.zip
HID: add framebuffer support to PicoLCD device
Add framebuffer support to PicoLCD device with use of deferred-io. Only changed areas of framebuffer get sent to device in order to save USB bandwidth and especially resources on PicoLCD device or allow higher refresh rate for a small area. Changed tiles are determined while updating shadow framebuffer. Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/usbhid')
-rw-r--r--drivers/hid/usbhid/hid-core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 56d06cd8075b..3e7909b0f129 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -623,6 +623,7 @@ int usbhid_wait_io(struct hid_device *hid)
return 0;
}
+EXPORT_SYMBOL_GPL(usbhid_wait_io);
static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
{