linux-kernel - Re: [PATCH v2] Input: cros_ec_keyb - Clear keyboard state only when it hasn't been a wake source

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Date:	Wed, 25 Mar 2015 19:45:23 +0100
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	linux-kernel@...r.kernel.org
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	Doug Anderson <dianders@...omium.org>,
	Andrew Bresticker <abrestic@...omium.org>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Bill Richardson <wfrichar@...omium.org>,
	Todd Broch <tbroch@...omium.org>, linux-input@...r.kernel.org
Subject: Re: [PATCH v2] Input: cros_ec_keyb - Clear keyboard state only when
 it hasn't been a wake source

Hello Tomeu,

On 03/25/2015 05:08 PM, Tomeu Vizoso wrote:
> As the comment right before explains, the keyboard state is to be
> cleared only if the EC wasn't a wakeup source in the last suspend.
> 
> Without this commit, there's an unneeded delay when resuming from
> suspend and we also lose the key that was pressed while suspended.
> 
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---
> 
> Sorry, v1 included an unintended change.
> 
> Thanks,
> 
> Tomeu
> 
> ---
>  drivers/input/keyboard/cros_ec_keyb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
> index 769f8f7..b50c5b8 100644
> --- a/drivers/input/keyboard/cros_ec_keyb.c
> +++ b/drivers/input/keyboard/cros_ec_keyb.c
> @@ -341,7 +341,7 @@ static int cros_ec_keyb_resume(struct device *dev)
>  	 * wake source (e.g. the lid is open and the user might press a key to
>  	 * wake) then the key scan buffer should be preserved.
>  	 */
> -	if (ckdev->ec->was_wake_device)
> +	if (!ckdev->ec->was_wake_device)
>  		cros_ec_keyb_clear_keyboard(ckdev);
>  

Your change matches the comment indeed and makes more sense.

Reviewed-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>

Best regards,
Javier
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