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SubjectRe: [ PATCH ]: disable pcspeaker kernel: 2.4.2 - 2.4.5

By making this (logical, and needed) feature unconditional, your patch's
size and complexity is reduced by 80%. (see the attached
pc_speaker.patch2)

Ingo

diff -u --recursive linux-2.4.5/drivers/char/vt.c linux-2.4.5-nc/drivers/char/vt.c
--- linux-2.4.5/drivers/char/vt.c Fri Feb 9 20:30:22 2001
+++ linux-2.4.5-nc/drivers/char/vt.c Wed May 9 23:47:36 2001
@@ -40,6 +41,7 @@
#include <asm/vc_ioctl.h>
#endif /* CONFIG_FB_COMPAT_XPMAC */

+extern int pcspeaker_enabled;
char vt_dont_switch;
extern struct tty_driver console_driver;

@@ -112,6 +117,9 @@
unsigned int count = 0;
unsigned long flags;

+ /* is the pcspeaker enabled or disabled ? 0=disabled,1=enabled */
+ if (!pcspeaker_enabled)
+ return;
if (hz > 20 && hz < 32767)
count = 1193180 / hz;

diff -u --recursive linux-2.4.5/include/linux/sysctl.h linux-2.4.5-nc/include/linux/sysctl.h
--- linux-2.4.5/include/linux/sysctl.h Tue May 29 17:56:29 2001
+++ linux-2.4.5-nc/include/linux/sysctl.h Mon May 28 19:24:08 2001
@@ -118,7 +118,8 @@
KERN_SHMPATH=48, /* string: path to shm fs */
KERN_HOTPLUG=49, /* string: path to hotplug policy agent */
KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */
- KERN_S390_USER_DEBUG_LOGGING=51 /* int: dumps of user faults */
+ KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */
+ KERN_DISABLE_PC_SPEAKER=52 /* int: speaker on or off */
};


diff -u --recursive linux-2.4.5/kernel/sysctl.c linux-2.4.5-nc/kernel/sysctl.c
--- linux-2.4.5/kernel/sysctl.c Tue May 29 17:55:59 2001
+++ linux-2.4.5-nc/kernel/sysctl.c Wed May 9 23:44:30 2001
@@ -48,6 +49,7 @@
extern int nr_queued_signals, max_queued_signals;
extern int sysrq_enabled;

+int pcspeaker_enabled;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
static int minolduid;
@@ -212,6 +217,8 @@
0444, NULL, &proc_dointvec},
{KERN_RTSIGMAX, "rtsig-max", &max_queued_signals, sizeof(int),
0644, NULL, &proc_dointvec},
+ {KERN_DISABLE_PC_SPEAKER, "pcspeaker", &pcspeaker_enabled, sizeof(int),
+ 0644, NULL, &proc_dointvec},
#ifdef CONFIG_SYSVIPC
{KERN_SHMMAX, "shmmax", &shm_ctlmax, sizeof (size_t),
0644, NULL, &proc_doulongvec_minmax},
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