linux-kernel - Re: [PATCH v2] leds: Add LED class driver for regulator driven LEDs.

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Message-Id: <20091215112246.3abaa457.ospite@studenti.unina.it>
Date:	Tue, 15 Dec 2009 11:22:46 +0100
From:	Antonio Ospite <ospite@...denti.unina.it>
To:	Richard Purdie <rpurdie@...ys.net>
Cc:	Antonio Ospite <ospite@...denti.unina.it>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Daniel Ribeiro <drwyrm@...il.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	openezx-devel@...ts.openezx.org,
	Linus Walleij <linus.ml.walleij@...il.com>
Subject: Re: [PATCH v2] leds: Add LED class driver for regulator driven
 LEDs.

On Mon,  7 Dec 2009 15:08:13 +0100
Antonio Ospite <ospite@...denti.unina.it> wrote:

> This driver provides an interface for controlling LEDs (or vibrators)
> connected to PMICs for which there is a regulator framework driver.
> 
> This driver can be used, for instance, to control vibrator on all Motorola EZX
> phones using the pcap-regulator driver services.
> 
> Signed-off-by: Antonio Ospite <ospite@...denti.unina.it>
> ---
> 
> Addressed the observations from Mark Brown, Liam Girdwood and Linus Walleij.
> 
> Patch against:
> git://git.o-hand.com/linux-rpurdie-leds for-mm
> 
> Changes since v1:
>  - Use "vled" as supply id.
>  - use regulator_get_exclusive
>  - remove double semicolon
>  - check for LED_OFF instead of 0
>  - handle regulators which can't change voltages
>  - rename led_regulator_get_vdd to led_regulator_get_voltage
>  - split regulator_led_set_value out of led_work
>  - allow setting an initial brightness value
>  - fix sections markers (__devinit, __devexit, etc.)
> 
> The only slight doubt I still have is about
> led_regulator_get_max_brightness(), I have to use regulator_set_voltage() there
> to tell if a regulator has REGULATOR_CHANGE_VOLTAGE enabled.
> 
> Regards,
>    Antonio

Ping?

Thanks,
   Antonio

-- 
Antonio Ospite
http://ao2.it

PGP public key ID: 0x4553B001

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