linux-kernel - Re: [PATCH v14] tty: Fix the keyboard led light display problem

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Message-ID: <YYjv2A1T/uOacEtS@smile.fi.intel.com>
Date:   Mon, 8 Nov 2021 11:37:28 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     lianzhi chang <changlianzhi@...ontech.com>
Cc:     linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
        gregkh@...uxfoundation.org, jirislaby@...nel.org, 282827961@...com
Subject: Re: [PATCH v14] tty: Fix the keyboard led light display problem

On Mon, Nov 08, 2021 at 01:51:39PM +0800, lianzhi chang wrote:
> 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.
> In order to ensure that the keyboard LED lights are displayed
> normally during the VT switching process, when the VT is
> switched, the current VT LED configuration is forced to be issued.

...

> Suggested-by: dmitry.torokhov <dmitry.torokhov@...il.com>

Dmitry Torokhov

> Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

As per v13 and previous ones, I haven't suggested anything in the
_current_ implementation.

-- 
With Best Regards,
Andy Shevchenko