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SubjectRe: [PATCH] power_supply: Add Apple Brick ID power supply type
Hi,

On Mon, May 08, 2017 at 03:02:48PM -0700, Benson Leung wrote:
> Apple currently supports three very common USB chargers:
> https://www.apple.com/power-adapters/
>
> These chargers implement a proprietary Apple method for advertising
> 1A, 2.1A, and 2.4A at 5V called "Brick ID".
> In addition, 3rd parties implement the same charging method in many
> charging accessories that work with iOS devices.
>
> Devices that have charger detection chips such as the Pericom PI3USB9281,
> eg. Google Chromebook Pixel 2015, are capable of detecting
> these chargers, so let's add a type to facilicate passing that info
> up to userspace.
>
> This adds a separate power supply type for Apple's proprietary
> "Brick ID" charging method.
>
> Signed-off-by: Benson Leung <bleung@chromium.org>

Thanks, queued.

-- Sebastian

> ---
> drivers/power/supply/power_supply_sysfs.c | 2 +-
> include/linux/power_supply.h | 15 ++++++++-------
> 2 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
> index bcde8d13476a..07b484f995c1 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -46,7 +46,7 @@ static ssize_t power_supply_show_property(struct device *dev,
> static char *type_text[] = {
> "Unknown", "Battery", "UPS", "Mains", "USB",
> "USB_DCP", "USB_CDP", "USB_ACA", "USB_C",
> - "USB_PD", "USB_PD_DRP"
> + "USB_PD", "USB_PD_DRP", "BrickID"
> };
> static char *status_text[] = {
> "Unknown", "Charging", "Discharging", "Not charging", "Full"
> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
> index 3965503315ef..4bd34051995e 100644
> --- a/include/linux/power_supply.h
> +++ b/include/linux/power_supply.h
> @@ -159,13 +159,14 @@ enum power_supply_type {
> POWER_SUPPLY_TYPE_BATTERY,
> POWER_SUPPLY_TYPE_UPS,
> POWER_SUPPLY_TYPE_MAINS,
> - POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
> - POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
> - POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
> - POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
> - POWER_SUPPLY_TYPE_USB_TYPE_C, /* Type C Port */
> - POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */
> - POWER_SUPPLY_TYPE_USB_PD_DRP, /* PD Dual Role Port */
> + POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
> + POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
> + POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
> + POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
> + POWER_SUPPLY_TYPE_USB_TYPE_C, /* Type C Port */
> + POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */
> + POWER_SUPPLY_TYPE_USB_PD_DRP, /* PD Dual Role Port */
> + POWER_SUPPLY_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */
> };
>
> enum power_supply_notifier_events {
> --
> 2.13.0.rc1.294.g07d810a77f-goog
>
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