Message-id: <5652E855.9090009@samsung.com>
Date: Mon, 23 Nov 2015 11:20:05 +0100
From: Jacek Anaszewski <j.anaszewski@samsung.com>
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To: Simon Arlott <simon@fire.lp0.eu>
Cc: =?UTF-8?B?w4FsdmFybyBGZXJuw6FuZGV6IFJvamFz?= <noltari@gmail.com>,
        Jonas Gorski <jogo@openwrt.org>, Richard Purdie <rpurdie@rpsys.net>,
        linux-leds@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2 (v2)] leds-bcm6328: Reuse bcm6328_led_set() instead of
 copying its functionality
References: <562BB799.7000708@simon.arlott.org.uk>
 <562DE832.6070903@samsung.com>
 <ed10b1e070e8b0d4a9eda6b32b686d1ab5b71759@8b5064a13e22126c1b9329f0dc35b8915774b7c3.invalid>
 <5630A9C1.5060907@samsung.com> <56327821.8020508@simon.arlott.org.uk>
 <563A2731.40204@samsung.com> <563A2850.5000506@gmail.com>
 <563B3240.9010804@samsung.com> <56488968.3070103@simon.arlott.org.uk>
 <5649EA72.20504@samsung.com> <564A3B9B.7040608@simon.arlott.org.uk>
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On 11/16/2015 09:24 PM, Simon Arlott wrote:
> When ensuring a consistent initial LED state in bcm6328_led (as they may
> be blinking instead of on/off), the LED register is set using an inverted
> copy of bcm6328_led_set(). To avoid further errors relating to active low
> handling, call this function directly instead.
>
> As bcm6328_led_set() acquires the same spinlock again when updating the
> register, it is called after unlocking.
>
> Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
> ---
>   drivers/leds/leds-bcm6328.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
> index c7ea5c6..95d0cf9 100644
> --- a/drivers/leds/leds-bcm6328.c
> +++ b/drivers/leds/leds-bcm6328.c
> @@ -314,14 +314,10 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
>   	} else {
>   		led->cdev.brightness = LED_OFF;
>   	}
> -
> -	if ((led->active_low && led->cdev.brightness == LED_FULL) ||
> -	    (!led->active_low && led->cdev.brightness == LED_OFF))
> -		bcm6328_led_mode(led, BCM6328_LED_MODE_ON);
> -	else
> -		bcm6328_led_mode(led, BCM6328_LED_MODE_OFF);
>   	spin_unlock_irqrestore(lock, flags);
>
> +	bcm6328_led_set(&led->cdev, led->cdev.brightness);
> +
>   	led->cdev.brightness_set = bcm6328_led_set;
>   	led->cdev.blink_set = bcm6328_blink_set;
>
>

Applied, thanks.

-- 
Best Regards,
Jacek Anaszewski
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