From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 3/7] LED: Add gpio LED support
Date: Sat, 18 Dec 2010 17:41:48 +0100 [thread overview]
Message-ID: <20101218164148.GB15695@game.jcrosoft.org> (raw)
In-Reply-To: <1292685309-32326-4-git-send-email-s.hauer@pengutronix.de>
> +
> +/**
> + * led_gpio_unregister - remove a gpio controlled LED from the framework
> + * @param led The gpio LED
> + */
> +void led_gpio_unregister(struct gpio_led *led)
> +{
> + led_unregister(&led->led);
> +}
> +
how abaout make the rgb support optional?
> +static void led_gpio_rgb_set(struct led *led, unsigned int value)
> +{
> + struct gpio_rgb_led *rgb = container_of(led, struct gpio_rgb_led, led);
> + int al = rgb->active_low;
> +
> + gpio_direction_output(rgb->gpio_r, !!(value & 4) ^ al);
> + gpio_direction_output(rgb->gpio_g, !!(value & 2) ^ al);
> + gpio_direction_output(rgb->gpio_b, !!(value & 1) ^ al);
> +}
> +
> +/**
> + * led_gpio_rgb_register - register three gpios as a rgb LED
> + * @param led The gpio rg LED
> + *
> + * This function registers three gpios as a rgb LED. led->gpio[rgb]
> + * should be initialized to the gpios to control.
> + */
> +int led_gpio_rgb_register(struct gpio_rgb_led *led)
no safe check?
> +{
> + led->led.set = led_gpio_rgb_set;
> + led->led.max_value = 7;
> +
> + return led_register(&led->led);
> +}
> +
> +/**
> + * led_gpio_rgb_unregister - remove a gpio controlled rgb LED from the framework
> + * @param led The gpio LED
> + */
> +void led_gpio_rgb_unregister(struct gpio_led *led)
> +{
> + led_unregister(&led->led);
> +}
> +
Best Regards,
J.
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next prev parent reply other threads:[~2010-12-18 16:46 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-18 15:15 LED framework Sascha Hauer
2010-12-18 15:15 ` [PATCH 1/7] Add generic poll infrastructure Sascha Hauer
2010-12-18 15:28 ` Sascha Hauer
2010-12-18 15:15 ` [PATCH 2/7] basic LED support Sascha Hauer
2010-12-18 16:38 ` Jean-Christophe PLAGNIOL-VILLARD
2010-12-18 17:18 ` Sascha Hauer
2010-12-18 16:48 ` Jean-Christophe PLAGNIOL-VILLARD
2010-12-18 19:06 ` Belisko Marek
2010-12-19 21:31 ` Marc Reilly
2010-12-20 8:27 ` Sascha Hauer
2010-12-18 15:15 ` [PATCH 3/7] LED: Add gpio " Sascha Hauer
2010-12-18 16:41 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2010-12-18 17:18 ` Sascha Hauer
2010-12-18 15:15 ` [PATCH 4/7] LED: Add LED trigger support Sascha Hauer
2010-12-18 16:51 ` Belisko Marek
2010-12-18 17:21 ` Sascha Hauer
2010-12-18 15:15 ` [PATCH 5/7] LED: Add led command Sascha Hauer
2010-12-18 16:45 ` Jean-Christophe PLAGNIOL-VILLARD
2010-12-18 17:24 ` Sascha Hauer
2010-12-18 15:15 ` [PATCH 6/7] LED: Add trigger command Sascha Hauer
2010-12-18 15:15 ` [PATCH 7/7] pcm038: led testing. Not to be committed Sascha Hauer
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