From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/drivers/media/usb/gspca/sn9c2028.h | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 kernel/drivers/media/usb/gspca/sn9c2028.h (limited to 'kernel/drivers/media/usb/gspca/sn9c2028.h') diff --git a/kernel/drivers/media/usb/gspca/sn9c2028.h b/kernel/drivers/media/usb/gspca/sn9c2028.h new file mode 100644 index 000000000..8fd1d3e05 --- /dev/null +++ b/kernel/drivers/media/usb/gspca/sn9c2028.h @@ -0,0 +1,51 @@ +/* + * SN9C2028 common functions + * + * Copyright (C) 2009 Theodore Kilgore + * + * Based closely upon the file gspca/pac_common.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +static const unsigned char sn9c2028_sof_marker[5] = + { 0xff, 0xff, 0x00, 0xc4, 0xc4 }; + +static unsigned char *sn9c2028_find_sof(struct gspca_dev *gspca_dev, + unsigned char *m, int len) +{ + struct sd *sd = (struct sd *) gspca_dev; + int i; + + /* Search for the SOF marker (fixed part) in the header */ + for (i = 0; i < len; i++) { + if (m[i] == sn9c2028_sof_marker[sd->sof_read]) { + sd->sof_read++; + if (sd->sof_read == sizeof(sn9c2028_sof_marker)) { + PDEBUG(D_FRAM, + "SOF found, bytes to analyze: %u." + " Frame starts at byte #%u", + len, i + 1); + sd->sof_read = 0; + return m + i + 1; + } + } else { + sd->sof_read = 0; + } + } + + return NULL; +} -- cgit 1.2.3-korg