linux-kernel - Re: [PATCH 4/4] platform/x86: fujitsu-laptop: make hotkey handling functions more similar

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Date:   Fri, 13 Jan 2017 23:08:58 +1030
From:   Jonathan Woithe <jwoithe@...t42.net>
To:     Micha?? K??pie?? <kernel@...pniu.pl>
Cc:     Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] platform/x86: fujitsu-laptop: make hotkey handling
 functions more similar

On Wed, Jan 11, 2017 at 09:59:33AM +0100, Micha?? K??pie?? wrote:
> Make two minor tweaks to acpi_fujitsu_hotkey_press() to make it more
> similar to acpi_fujitsu_hotkey_release():
> 
>   * call vdbg_printk() after reporting the input event,
>   * return immediately when kfifo_in_locked() fails.
> 
> Signed-off-by: Micha?? K??pie?? <kernel@...pniu.pl>

Acked-by: Jonathan Woithe <jwoithe@...t42.net>

> ---
>  drivers/platform/x86/fujitsu-laptop.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index 06653a8594ed..96f8163d5002 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -1035,18 +1035,18 @@ static void acpi_fujitsu_hotkey_press(int keycode)
>  	struct input_dev *input = fujitsu_hotkey->input;
>  	int status;
>  
> -	vdbg_printk(FUJLAPTOP_DBG_TRACE,
> -		    "Push keycode into ringbuffer [%d]\n", keycode);
>  	status = kfifo_in_locked(&fujitsu_hotkey->fifo,
>  				 (unsigned char *)&keycode, sizeof(keycode),
>  				 &fujitsu_hotkey->fifo_lock);
>  	if (status != sizeof(keycode)) {
>  		vdbg_printk(FUJLAPTOP_DBG_WARN,
>  			    "Could not push keycode [0x%x]\n", keycode);
> -	} else {
> -		input_report_key(input, keycode, 1);
> -		input_sync(input);
> +		return;
>  	}
> +	input_report_key(input, keycode, 1);
> +	input_sync(input);
> +	vdbg_printk(FUJLAPTOP_DBG_TRACE,
> +		    "Push keycode into ringbuffer [%d]\n", keycode);
>  }
>  
>  static void acpi_fujitsu_hotkey_release(void)
> -- 
> 2.11.0

--