lkml.org 
[lkml]   [2021]   [Oct]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] input&tty: Fix the keyboard led light display problem
On Thu, Oct 14, 2021 at 12:50:31PM +0800, changlianzhi@uniontech.com wrote:
> Subject: [PATCH] input&tty: Fix the keyboard led light display problem
>
>
> Switching from the desktop environment to the tty environment,
>
>
>
> the state of the keyboard led lights and the state of the keyboard
>
>
>
> lock are inconsistent. This is because the attribute kb->kbdmode
>
>
>
> of the tty bound in the desktop environment (xorg) is set to
>
>
>
> VC_OFF, which causes the ledstate and kb->ledflagstate
>
>
>
> values of the bound tty to always be 0, which causes the switch
>
>
>
> from the desktop When to the tty environment, the LED light
>
>
>
> status is inconsistent with the keyboard lock status.
>
>
>
>  
>
>
>
> Signed-off-by: lianzhi chang <changlianzhi@uniontech.com>
>
>
>
> ---
>
>
>
> drivers/input/input.c     |  7 ++++++-
>
>
>
> drivers/tty/vt/keyboard.c | 30 +++++++++++++++++++++++++++++-
>
>
>
> include/linux/kbd_kern.h  |  2 ++
>
>
>
> 3 files changed, 37 insertions(+), 2 deletions(-)
>
>
>
>  
>
>
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
>
>
>
> index ccaeb2426385..43c09700bf68 100644
>
>
>
> --- a/drivers/input/input.c
>
>
>
> +++ b/drivers/input/input.c
>
>
>
> @@ -25,6 +25,7 @@
>
>
>
> #include <linux/rcupdate.h>
>
>
>
> #include "input-compat.h"
>
>
>
> #include "input-poller.h"
>
>
>
> +#include <linux/kbd_kern.h>
>
>
>
> MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
>
>
>
> MODULE_DESCRIPTION("Input core");
>
>
>
> @@ -472,8 +473,12 @@ void input_inject_event(struct input_handle *handle,
>
>
>
> rcu_read_lock();
>
>
>
> grab = rcu_dereference(dev->grab);
>
>
>
> - if (!grab || grab == handle)
>
>
>
> + if (!grab || grab == handle) {
>
>
>
> input_handle_event(dev, type, code, value);
>
>
>
> +
>
>
>
> + if (type == EV_LED && code < LED_SCROLLL)
>
>
>
> + update_value_ledstate(code, value);
>
>
>
> + }
>
>
>
> rcu_read_unlock();
>
>
>
> spin_unlock_irqrestore(&dev->event_lock, flags);
>
>
>
> diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
>
>
>
> index c7fbbcdcc346..0240915cdfef 100644
>
>
>
> --- a/drivers/tty/vt/keyboard.c
>
>
>
> +++ b/drivers/tty/vt/keyboard.c
>
>
>
> @@ -1140,6 +1140,31 @@ static unsigned char getledstate(void)
>
>
>
> return ledstate & 0xff;
>
>
>
> }
>
>
>
> +void update_value_ledstate(unsigned int flag, unsigned int value)
>
>
>
> +{
>
>
>
> + unsigned int bit;
>
>
>
> +
>
>
>
> + switch (flag) {
>
>
>
> + case LED_NUML:
>
>
>
> + bit = VC_NUMLOCK;
>
>
>
> + break;
>
>
>
> + case LED_CAPSL:
>
>
>

<snip>

Something went very wrong with this patch submission :(

Please fix up your email client and try again, or just use 'git
send-email' directly, as that should be all that you need here.

thanks,

greg k-h

\
 
 \ /
  Last update: 2021-10-14 15:22    [W:0.045 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site