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

Randy Dunlap
2007-04-04T19:12:06Z

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

> From: David Brownell <dbrownell@users.sourceforge.net>
>
> 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@users.sourceforge.net>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
> ---
> 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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