Re: [PATCH 51/90] ARM: OMAP: osk+mistral backlight, power, boardspecific

[Randy Dunlap]

On Wed,  4 Apr 2007 14:05:30 -0400 Tony Lindgren wrote:

> From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> 
> Mistral-specific:
> 
>   - Add PWL-driven LCD backlight device
> 
>   - Apply power to the board even when the LCD isn't configured; things
>     like EEPROM, temperature sensor, and wakeup switch depend on it.
> 
> Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
>  arch/arm/mach-omap1/board-osk.c |   22 ++++++++++++++++++++++
>  1 files changed, 22 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
> index 253c539..df9681d 100644
> --- a/arch/arm/mach-omap1/board-osk.c
> +++ b/arch/arm/mach-omap1/board-osk.c
> @@ -373,6 +386,15 @@ static void __init osk_mistral_init(void)
>  	} else
>  		printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
>  
> +	/* LCD:  backlight, and power; power controls other devices on the
> +	 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
> +	 */
> +	omap_cfg_reg(PWL);
> +	if (omap_request_gpio(2) == 0) {
> +		omap_set_gpio_direction(2, 0 /* out */);
> +		omap_set_gpio_dataout(2, 1 /* on */);

Some #defined values would be better than those comments.

> +	}
> +
>  	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
>  }
>  #else



---
~Randy
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