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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../linux24/88-multiple-soundcard-fix.patch
# Copyright (C) 2004 - 2006 The T2 SDE Project
# Copyright (C) 1998 - 2003 Clifford Wolf
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or 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.
# --- SDE-COPYRIGHT-NOTE-END ---
--- linux-2.4.17/drivers/sound/sound_core.c.orig Sun Jan 6 17:31:30 2002
+++ linux/drivers/sound/sound_core.c Sun Jan 6 17:39:43 2002
@@ -17,7 +17,7 @@
* plug into this. The fact they dont all go via OSS doesn't mean
* they don't have to implement the OSS API. There is a lot of logic
* to keeping much of the OSS weight out of the code in a compatibility
- * module, but its up to the driver to rember to load it...
+ * module, but it's up to the driver to remember to load it...
*
* The code provides a set of functions for registration of devices
* by type. This is done rather than providing a single call so that
@@ -173,10 +173,10 @@
return r;
}
- if (r == low)
+ if ( r < SOUND_STEP )
sprintf (name_buf, "%s", name);
else
- sprintf (name_buf, "%s%d", name, (r - low) / SOUND_STEP);
+ sprintf (name_buf, "%s%d", name, (r / SOUND_STEP));
s->de = devfs_register (devfs_handle, name_buf,
DEVFS_FL_NONE, SOUND_MAJOR, s->unit_minor,
S_IFCHR | mode, fops, NULL);
@@ -231,17 +231,20 @@
int register_sound_special(struct file_operations *fops, int unit)
{
- char *name;
+ const int chain = (unit & 0x0F);
+ int max_unit = chain + 128;
+ const char *name;
- switch (unit) {
+ switch (chain) {
case 0:
name = "mixer";
break;
case 1:
name = "sequencer";
+ max_unit = unit + 1;
break;
case 2:
- name = "midi00";
+ name = "midi";
break;
case 3:
name = "dsp";
@@ -260,6 +263,7 @@
break;
case 8:
name = "sequencer2";
+ max_unit = unit + 1;
break;
case 9:
name = "dmmidi";
@@ -280,10 +284,10 @@
name = "admmidi";
break;
default:
- name = "unknown";
+ name = "unknownX";
break;
}
- return sound_insert_unit(&chains[unit&15], fops, -1, unit, unit+1,
+ return sound_insert_unit(&chains[chain], fops, -1, unit, max_unit,
name, S_IRUSR | S_IWUSR);
}