ALSA: core: Add SPDX license id to files

Add an SPDX id of LGPL-2.0+ to files in the
sound core sub-system that are missing ids. Remove
boilerplate text.

These files were originally submitted in a big commit
for the ALSA sound system for kernel version 2.5.4,
by Jaroslav Kysela, in Feb 2002.

Signed-off-by: Tim Bird <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Takashi Iwai <[e-mail]>

sound/core/oss/copy.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  Linear conversion Plug-In
  *  Copyright (c) 2000 by Abramo Bagnara <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
 
 #include <linux/time.h>

sound/core/oss/io.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  PCM I/O Plug-In Interface
  *  Copyright (c) 1999 by Jaroslav Kysela <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
   
 #include <linux/time.h>

sound/core/oss/linear.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  Linear conversion Plug-In
  *  Copyright (c) 1999 by Jaroslav Kysela <[e-mail]>,
  *			  Abramo Bagnara <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
 
 #include <linux/time.h>

sound/core/oss/mulaw.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  Mu-Law conversion Plug-In Interface
  *  Copyright (c) 1999 by Jaroslav Kysela <[e-mail]>
  *                        Uros Bizjak <[e-mail]>
  *
  *  Based on reference implementation by Sun Microsystems, Inc.
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
   
 #include <linux/time.h>

sound/core/oss/pcm_plugin.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  PCM Plug-In shared (kernel/library) code
  *  Copyright (c) 1999 by Jaroslav Kysela <[e-mail]>
  *  Copyright (c) 2000 by Abramo Bagnara <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
   
 #if 0

sound/core/oss/rate.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  Rate conversion Plug-In
  *  Copyright (c) 1999 by Jaroslav Kysela <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
   
 #include <linux/time.h>

sound/core/oss/route.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  Route Plug-In
  *  Copyright (c) 2000 by Abramo Bagnara <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
 
 #include <linux/time.h>

sound/core/pcm_misc.c

···
+// SPDX-License-Identifier: LGPL-2.0+
 /*
  *  PCM Interface - misc routines
  *  Copyright (c) 1998 by Jaroslav Kysela <[e-mail]>
- *
- *
- *   This library is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU Library 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 Library General Public License for more details.
- *
- *   You should have received a copy of the GNU Library General Public
- *   License along with this library; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
-  
+
 #include <linux/time.h>
 #include <linux/export.h>
 #include <sound/core.h>