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SubjectRe: [PATCH] vc bell config
On Fri, 5 Oct 2007 13:55:52 +0200 (CEST)
Jan Engelhardt <jengelh@computergmbh.de> wrote:

>
> It is already possible to deactivate the vc bell on a per-tty basis,
> by using echo -en "\e[11;0]", but this is reset on reset(1).
>
> This adds a sysfs parameter to globally control the vc bell, as well
> as sysfs parameters for default pitch and duration.
>

Why do we need this? To fix the stupid-app-makes-my-box-beep problem, I
guess. Is there no other way of suppressing the beep? (no jokes about wire
cutters or earplugs, please).


> ---
> drivers/char/vt.c | 18 +++++++++++-------
> 1 file changed, 11 insertions(+), 7 deletions(-)
>
> Index: linux-2.6.23/drivers/char/vt.c
> ===================================================================
> --- linux-2.6.23.orig/drivers/char/vt.c
> +++ linux-2.6.23/drivers/char/vt.c
> @@ -134,8 +134,12 @@ const struct consw *conswitchp;
> /*
> * Here is the default bell parameters: 750HZ, 1/8th of a second
> */
> -#define DEFAULT_BELL_PITCH 750
> -#define DEFAULT_BELL_DURATION (HZ/8)
> +static unsigned int default_bell_pitch = 750;
> +static unsigned int default_bell_duration = HZ / 8;

It is inapt to call these default_X. Because once they have been altered
by the user, they aren't defaults any more.

They should be just bell_pitch and bell_duration.

-
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