linux-kernel - Re: [PATCH v4 1/4] power: supply: core: add quick charge type property

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Date:   Sun, 2 Aug 2020 14:00:15 +0200
From:   Pavel Machek <pavel@....cz>
To:     Qiwu Huang <yanziily@...il.com>
Cc:     sre@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        jiangfei1@...omi.com, Qiwu Huang <huangqiwu@...omi.com>
Subject: Re: [PATCH v4 1/4] power: supply: core: add quick charge type
 property

On Mon 2020-07-20 13:47:14, Qiwu Huang wrote:
> From: Qiwu Huang <huangqiwu@...omi.com>
> 
> Reports the kind of quick charge type based on
> different adapter power.
> 
> Signed-off-by: Qiwu Huang <huangqiwu@...omi.com>
> ---
>  Documentation/ABI/testing/sysfs-class-power | 21 +++++++++++++++++++++
>  drivers/power/supply/power_supply_sysfs.c   |  1 +
>  include/linux/power_supply.h                | 10 ++++++++++
>  3 files changed, 32 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
> index 216d61a22f1e..dd3773dcf16a 100644
> --- a/Documentation/ABI/testing/sysfs-class-power
> +++ b/Documentation/ABI/testing/sysfs-class-power
> @@ -708,3 +708,24 @@ Description:
>  
>  		Access: Read
>  		Valid values: 1-31
> +
> +What:		/sys/class/power_supply/<supply_name>/quick_charge_type
> +Date:		Jul 2020
> +Contact:	Fei Jiang <jiangfei1@...omi.com>
> +		Description:
> +		Reports the kind of quick charge type based on different adapter power.
> +		Different quick charge type represent different charging power.
> +		QUICK_CHARGE_NORMAL : Charging Power <= 10W
> +		QUICK_CHARGE_FAST : 10W < Charging Power <= 20W
> +		QUICK_CHARGE_FLASH : 20W < Charging Power <= 30W
> +		QUICK_CHARGE_TURBE : 30W < Charging Power <= 50W
> +		QUICK_CHARGE_SUPER : Charging Power > 50W
> +
> +		Access: Read-Only
> +		Valid values:
> +			0: QUICK_CHARGE_NORMAL,
> +			1: QUICK_CHARGE_FAST,
> +			2: QUICK_CHARGE_FLASH,
> +			3: QUICK_CHARGE_TURBE,
> +			4: QUICK_CHARGE_SUPER.

NAK.

Just expose value in watts or something... People are talking about > 100W charging, no
need to go with fast/turbe/super/hyper/nonsense.

BTW fast charge is already "well defined", and what you call Normal is usually fast charge.


									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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