Hi,
On Mon, 2010-04-12 at 13:50 +0200, ext hvaibhav@xxxxxx wrote:
> From: Vaibhav Hiremath <hvaibhav@xxxxxx>
>
>
> Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
What tree is this patch based on? It doesn't apply:
Applying: OMAP: OMAP3EVM: Add LCD Backlight brightness hookup function
fatal: sha1 information is lacking or useless (arch/arm/mach-omap2/board-omap3evm.c).
Repository lacks necessary blobs to fall back on 3-way merge.
Cannot fall back to three-way merge.
Tomi
> ---
> arch/arm/mach-omap2/board-omap3evm.c | 34 ++++++++++++++++++++++++++++++++++
> 1 files changed, 34 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
> index f2a52c3..1d1956f 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -253,6 +253,38 @@ static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
> lcd_enabled = 0;
> }
>
> +/*
> + * PWMA/B register offsets (TWL4030_MODULE_PWMA)
> + */
> +#define TWL_LED_EN 0x0
> +#define TWL_LED_PWMON 0x0
> +#define TWL_LED_PWMOFF 0x1
> +
> +static int omap3evm_set_bl_intensity(struct omap_dss_device *dssdev, int level)
> +{
> + unsigned char c;
> +
> + if (level > 100)
> + return -EINVAL;
> + /*
> + * Enable LEDA for backlight
> + */
> + twl_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_EN);
> +
> + c = ((125 * (100 - level)) / 100);
> + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
> + c += 1;
> + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x7F, TWL_LED_PWMOFF);
> + twl_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_LED_PWMON);
> + } else {
> + c += 2;
> + twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x1, TWL_LED_PWMON);
> + twl_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_LED_PWMOFF);
> + }
> +
> + return 0;
> +}
> +
> static struct omap_dss_device omap3_evm_lcd_device = {
> .name = "lcd",
> .driver_name = "sharp_ls_panel",
> @@ -260,6 +292,8 @@ static struct omap_dss_device omap3_evm_lcd_device = {
> .phy.dpi.data_lines = 18,
> .platform_enable = omap3_evm_enable_lcd,
> .platform_disable = omap3_evm_disable_lcd,
> + .max_backlight_level = 100,
> + .set_backlight = omap3evm_set_bl_intensity,
> };
>
> static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
> --
> 1.6.2.4
>
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