On Fri, Jul 10, 2020 at 04:48:41PM +0800, Qiwu Huang wrote:
> From: Qiwu Huang <huangq...@xiaomi.com>
> 
> Broadcast battery soc with decimal form.
> soc_decimal is the decimal part of battery soc.
> soc_decimal_rate is update frequency of decimal
> part of battery soc.
> 
> Signed-off-by: Qiwu Huang <huangq...@xiaomi.com>
> ---
>  Documentation/ABI/testing/sysfs-class-power | 20 ++++++++++++++++++++
>  drivers/power/supply/power_supply_sysfs.c   |  2 ++
>  include/linux/power_supply.h                |  2 ++
>  3 files changed, 24 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-class-power 
> b/Documentation/ABI/testing/sysfs-class-power
> index 1f489a250c19..60c5a0dd1b98 100644
> --- a/Documentation/ABI/testing/sysfs-class-power
> +++ b/Documentation/ABI/testing/sysfs-class-power
> @@ -349,6 +349,26 @@ Description:
>               Access: Read
>               Valid values: Represented in microvolts
>  
> +What:                /sys/class/power_supply/<supply_name>/soc_decimal,
> +Date:                Jul 2020
> +Contact:     jiangf...@xiaomi.com
> +Description:
> +             Broadcast battery soc with decimal form.
> +             soc_decimal is the start decimal part of battery soc.
> +
> +             Access: Read
> +                Valid values: 0 - 100
> +
> +What:                /sys/class/power_supply/<supply_name>/soc_decimal_rate,
> +Date:                Jul 2020
> +Contact:     jiangf...@xiaomi.com
> +Description:
> +             Broadcast battery soc with decimal form.
> +             soc_decimal_rate is the decimal part of battery soc update 
> freqency.
> +
> +             Access: Read
> +                Valid values: 0 - 100

Why doesn't the existing battery attribute work for this?

Why can't this just be a new battery in the system and why just a single
attribute?

> +
>  ===== USB Properties =====
>  
>  What:                /sys/class/power_supply/<supply_name>/current_avg
> diff --git a/drivers/power/supply/power_supply_sysfs.c 
> b/drivers/power/supply/power_supply_sysfs.c
> index 4be762abba89..8defc22e0d7f 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -210,6 +210,8 @@ static struct power_supply_attr power_supply_attrs[] = {
>       POWER_SUPPLY_ATTR(tx_adapter),
>       POWER_SUPPLY_ATTR(signal_strength),
>       POWER_SUPPLY_ATTR(reverse_chg_mode),
> +     POWER_SUPPLY_ATTR(soc_decimal),
> +     POWER_SUPPLY_ATTR(soc_decimal_rate),

Again, uppercase?

thanks,

greg k-h

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