lkml.org 
[lkml]   [2020]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/5] power: supply: core: add wireless signal strength property
On Fri, Jul 10, 2020 at 04:48:39PM +0800, Qiwu Huang wrote:
> From: Qiwu Huang <huangqiwu@xiaomi.com>
>
> reports wireless signal strength.
> The value show degree of coupling between tx and rx.
>
> Signed-off-by: Qiwu Huang <huangqiwu@xiaomi.com>
> ---
> Documentation/ABI/testing/sysfs-class-power | 9 ++++++++-
> drivers/power/supply/power_supply_sysfs.c | 1 +
> include/linux/power_supply.h | 1 +
> 3 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
> index 2099cf194a89..1f42aa0c071e 100644
> --- a/Documentation/ABI/testing/sysfs-class-power
> +++ b/Documentation/ABI/testing/sysfs-class-power
> @@ -730,4 +730,11 @@ Description:
>
> Access: Read-Only
> Valid values: "ADAPTER_NONE", "ADAPTER_SDP", "ADAPTER_DCP", "ADAPTER_CDP",
> - "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter.
> \ No newline at end of file
> + "ADAPTER_QC2", "ADAPTER_QC3", "ADAPTER_PD" or other private adapter.
> +
> +What: /sys/class/power_supply/<supply_name>/signal_strength
> +Date: Jul 2020
> +Contact: Fei Jiang <jiangfei1@xiaomi.com>
> +Description:
> + Reports wireless signal strength.
> + The value show degree of coupling.

What units are this in? The "value" means what?

thanks,

greg k-h

\
 
 \ /
  Last update: 2020-07-10 12:01    [W:0.080 / U:0.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site