linux-kernel - Re: [RFC] generic GPIO parameter API

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Date:	Mon, 2 Jun 2008 19:54:36 +0200 (CEST)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	David Brownell <david-b@...bell.net>
cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC] generic GPIO parameter API

On Mon, 2 Jun 2008, Guennadi Liakhovetski wrote:

> struct gpio_parameter {
> 	char *name;
> 	void *arg;
> 	int (*get)(struct gpio_chip *chip, void *arg, unsigned offset, 
> 			int value);
> 	int (*set)(struct gpio_chip *chip, void *arg, unsigned offset, 
> 			int value);
> };

The (*get) should have "int *value" of course

> int gpio_register_parameter(struct gpio_chip *chip, struct gpio_parameter 
> 				*param);
> struct gpio_parameter *gpio_find_parameter(struct gpio_chip *chip, char 
> 						*name);

Actually, I think, it would be even better to just add two fields

	struct gpio_parameter	*param;
	int			param_n;

to struct gpio_chip.

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
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