Messages in this thread | | | Subject | Re: [PATCH v3 resend2] s3c/s3c24xx: arm: leds: Make s3c24xx LEDS driver use gpiolib | From | Joe Perches <> | Date | Tue, 13 Dec 2011 13:28:52 -0800 |
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On Tue, 2011-12-13 at 23:21 +0200, Denis Kuzmenko wrote: > Hi Joe, > Thank you for review. > > On 12/13/2011 11:06 PM, Joe Perches wrote: > > On Tue, 2011-12-13 at 22:22 +0200, Denis Kuzmenko wrote: > >> Make s3c24xx LEDS driver use gpiolib. Fix error disabling pull during probe. > > [] > >> diff --git a/drivers/leds/leds-s3c24xx.c b/drivers/leds/leds-s3c24xx.c > > [] > >> @@ -45,23 +45,35 @@ static void s3c24xx_led_set(struct led_classdev *led_cdev, > >> + /* > >> + * ensure value is 0 or 1 to use it with bitwise XOR (^) > >> + * (only 100% brightness is supported) > >> + */ > >> + value = value ? 1 : 0; > > > > Maybe value = !!value; > > IMHO my variant is better readable. > > >> + /* no point in having a pull-up as we are always driving */ > >> + s3c_gpio_setpull(pdata->gpio, S3C_GPIO_PULL_NONE); > >> + ret = gpio_direction_output(pdata->gpio, > >> + !!(pdata->flags & S3C24XX_LEDF_ACTLOW)); > > > > akin to this use. > > There is no so much space for implementation used before so I've used > shorter notation, again, for better readability.
Your choice, but I think consistency is better.
The LEDF_ACTLOW use is dependent on it being #defined to 1 when using ^. I think that's unintelligible.
cheers, Joe
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