[U-Boot] [PATCH] trats: usb: Add usb_cable_connected() function

[Minkyu Kang <mk7.kang@samsung.com>]

Dear Przemyslaw Marczak,

On 13/11/13 19:54, Przemyslaw Marczak wrote:
> Changes:
> - define function usb_cable_connected() in trats board file
>   which returns 1 if cable is connected and 0 otherwise
> - trats.h: add CONFIG_USB_CHECK_CABLE
> 
> Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
> Cc: Minkyu Kang <mk7.kang@samsung.com>
> ---
>  board/samsung/trats/trats.c |   10 ++++++++++
>  include/configs/trats.h     |    1 +
>  2 files changed, 11 insertions(+)
> 
> diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
> index 7f61d17..9ed70d3 100644
> --- a/board/samsung/trats/trats.c
> +++ b/board/samsung/trats/trats.c
> @@ -500,6 +500,16 @@ void board_usb_init(void)
>  	debug("USB_udc_probe\n");
>  	s3c_udc_probe(&s5pc210_otg_data);
>  }
> +
> +#ifdef CONFIG_USB_CABLE_CHECK
> +int usb_cable_connected(void)
> +{
> +	struct pmic *muic = pmic_get("MAX8997_MUIC");

Please check that muic is available.

> +	int cable_connected = muic->chrg->chrg_type(muic);
> +
> +	return !!cable_connected;

I think, cable_connected is unnecessary.

return !!muic->chrg->chrg_type(muic);

> +}
> +#endif
>  #endif
>  
>  static void pmic_reset(void)
> diff --git a/include/configs/trats.h b/include/configs/trats.h
> index 24ea06b..7f8009e 100644
> --- a/include/configs/trats.h
> +++ b/include/configs/trats.h
> @@ -300,6 +300,7 @@
>  #define CONFIG_USB_GADGET_S3C_UDC_OTG
>  #define CONFIG_USB_GADGET_DUALSPEED
>  #define CONFIG_USB_GADGET_VBUS_DRAW	2
> +#define CONFIG_USB_CABLE_CHECK
>  
>  /* LCD */
>  #define CONFIG_EXYNOS_FB
> 

Thanks,
Minkyu Kang.