Re: [PATCH v2 2/2] platform/x86: fujitsu-laptop: simplify logolamp_get()
From: Jonathan Woithe
Date: Mon Jan 09 2017 - 08:38:00 EST
On Mon, Jan 09, 2017 at 02:14:17PM +0100, Micha?? K??pie?? wrote:
> Now that call_fext_func() is invoked by logolamp_set() for both
> LOGOLAMP_POWERON and LOGOLAMP_ALWAYS for every brightness value,
> logolamp_get() can be simplified to decrease indentation and number of
> local variables.
>
> Signed-off-by: Micha?? K??pie?? <kernel@xxxxxxxxxx>
Seems sensible to me.
Acked-by: Jonathan Woithe <jwoithe@xxxxxxxxxx>
> ---
> Changes from v1:
>
> - This patch was not present in v1.
>
> One thing worth noting is that in case call_fext_func() returns an
> error, logolamp_get() will still return LED_OFF, just like the original
> version.
>
> drivers/platform/x86/fujitsu-laptop.c | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index 34b8481fb0ed..7fa082558a42 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -319,17 +319,17 @@ static int eco_led_set(struct led_classdev *cdev,
>
> static enum led_brightness logolamp_get(struct led_classdev *cdev)
> {
> - enum led_brightness brightness = LED_OFF;
> - int poweron, always;
> -
> - poweron = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0);
> - if (poweron == FUNC_LED_ON) {
> - brightness = LED_HALF;
> - always = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0);
> - if (always == FUNC_LED_ON)
> - brightness = LED_FULL;
> - }
> - return brightness;
> + int ret;
> +
> + ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0);
> + if (ret == FUNC_LED_ON)
> + return LED_FULL;
> +
> + ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0);
> + if (ret == FUNC_LED_ON)
> + return LED_HALF;
> +
> + return LED_OFF;
> }
>
> static enum led_brightness kblamps_get(struct led_classdev *cdev)
> --
> 2.11.0
>
> --
> To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--