From b8c21cf697d165999cc21a90e6caa73690ac6190 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= Date: Tue, 30 Mar 2010 22:34:30 +0200 Subject: HID: add framebuffer support to PicoLCD device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/hid/usbhid/hid-core.c') diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 56d06cd..3e7909b 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) { -- cgit v1.1