linux-kernel - Re: [PATCH] Input: atkbd - fix keyboard LG Electronics

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Message-ID: <20140423004233.GC22547@core.coreip.homeip.net>
Date:	Tue, 22 Apr 2014 17:42:34 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Sheng-Liang Song <ssl@...omium.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Shawn Nematbakhsh <shawnn@...omium.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: atkbd - fix keyboard LG Electronics

Hi Sheng-Liang,

On Tue, Apr 22, 2014 at 09:59:30AM -0700, Sheng-Liang Song wrote:
> After issuing ATKBD_CMD_RESET_DIS, LG Keyboard stop working.
> The workaround is to issue ATKBD_CMD_RESET_DEF after ATKBD_CMD_RESET_DIS.

Hmm, if ATKBD_CMD_RESET_DIS causes keyboard not working should we
simply not call it on LG devices?

The idea for using ATKBD_CMD_RESET_DIS was for keyboard to stop
generating scan codes so they do not interfere with detection/resume and
issuing ATKBD_CMD_RESET_DEF right after ATKBD_CMD_RESET_DIS keeps
keyboard in exactly the same state as it was before (i.e. generating
scancodes).

Thanks.

-- 
Dmitry
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