linux-kernel - Re: [PATCH] Adding LED1 & LED2 control for DA9034 backlight driver

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Date:	Fri, 18 Sep 2009 17:10:05 +0800
From:	Eric Miao <eric.y.miao@...il.com>
To:	庄浩坚 (Haojian) <haojian.zhuang@...il.com>,
	getarunks@...il.com
Cc:	linux-kernel@...r.kernel.org, rpurdie@...ys.net,
	eric.miao@...vell.com, mike@...pulab.co.il
Subject: Re: [PATCH] Adding LED1 & LED2 control for DA9034 backlight driver

Haojian,

Could you please help check if the patch below applies for micco?

Thanks
- eric

On Fri, Sep 18, 2009 at 3:27 AM,  <getarunks@...il.com> wrote:
> From: Arun KS <getarunks@...il.com>
>
> Signed-off-by: Arun KS <getarunks@...il.com>
> ---
>  drivers/video/backlight/Kconfig     |    2 +-
>  drivers/video/backlight/da903x_bl.c |   12 ++++++++++++
>  2 files changed, 13 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
> index 90861cd..1607bc9 100644
> --- a/drivers/video/backlight/Kconfig
> +++ b/drivers/video/backlight/Kconfig
> @@ -203,7 +203,7 @@ config BACKLIGHT_DA903X
>        depends on BACKLIGHT_CLASS_DEVICE && PMIC_DA903X
>        help
>          If you have a LCD backlight connected to the WLED output of DA9030
> -         or DA9034 WLED output, say Y here to enable this driver.
> +         or DA9034 WLED, LED1, LED2 outputs, say Y here to enable this driver.
>
>  config BACKLIGHT_MBP_NVIDIA
>        tristate "MacBook Pro Nvidia Backlight Driver"
> diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
> index 93bb434..c6ceb76 100644
> --- a/drivers/video/backlight/da903x_bl.c
> +++ b/drivers/video/backlight/da903x_bl.c
> @@ -23,6 +23,8 @@
>  #define DA9030_WLED_CP_EN      (1 << 6)
>  #define DA9030_WLED_TRIM(x)    ((x) & 0x7)
>
> +#define DA9034_LED1_CONTROL    0x35
> +#define DA9034_LED2_CONTROL    0x36
>  #define DA9034_WLED_CONTROL1   0x3C
>  #define DA9034_WLED_CONTROL2   0x3D
>
> @@ -66,6 +68,14 @@ static int da903x_backlight_set(struct backlight_device *bl, int brightness)
>                val |= brightness ? DA9030_WLED_CP_EN : 0;
>                ret = da903x_write(dev, DA9030_WLED_CONTROL, val);
>                break;
> +       case DA9034_ID_LED_1:
> +               ret = da903x_update(dev, DA9034_LED1_CONTROL,
> +                               brightness, 0x7f);
> +               break;
> +       case DA9034_ID_LED_2:
> +               ret = da903x_update(dev, DA9034_LED2_CONTROL,
> +                               brightness, 0x7f);
> +               break;
>        }
>
>        if (ret)
> @@ -114,6 +124,8 @@ static int da903x_backlight_probe(struct platform_device *pdev)
>                max_brightness = DA9030_MAX_BRIGHTNESS;
>                break;
>        case DA9034_ID_WLED:
> +       case DA9034_ID_LED_1:
> +       case DA9034_ID_LED_2:
>                max_brightness = DA9034_MAX_BRIGHTNESS;
>                break;
>        default:
> --
> 1.5.4.3
>
>
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