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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _UAPI__SOUND_USB_STREAM_H
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#define _UAPI__SOUND_USB_STREAM_H
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#define USB_STREAM_INTERFACE_VERSION 2
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#define SNDRV_USB_STREAM_IOCTL_SET_PARAMS \
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_IOW('H', 0x90, struct usb_stream_config)
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struct usb_stream_packet {
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unsigned offset;
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unsigned length;
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};
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struct usb_stream_config {
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unsigned version;
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unsigned sample_rate;
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unsigned period_frames;
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unsigned frame_size;
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};
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struct usb_stream {
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struct usb_stream_config cfg;
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unsigned read_size;
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unsigned write_size;
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int period_size;
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unsigned state;
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int idle_insize;
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int idle_outsize;
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int sync_packet;
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unsigned insize_done;
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unsigned periods_done;
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unsigned periods_polled;
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struct usb_stream_packet outpacket[2];
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unsigned inpackets;
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unsigned inpacket_head;
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unsigned inpacket_split;
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unsigned inpacket_split_at;
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unsigned next_inpacket_split;
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unsigned next_inpacket_split_at;
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struct usb_stream_packet inpacket[0];
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};
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enum usb_stream_state {
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usb_stream_invalid,
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usb_stream_stopped,
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usb_stream_sync0,
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usb_stream_sync1,
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usb_stream_ready,
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usb_stream_running,
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usb_stream_xrun,
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};
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#endif /* _UAPI__SOUND_USB_STREAM_H */
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