On Tue, Jul 21, 2020 at 01:59:36PM +0800, Qiwu Huang wrote: > From: Qiwu Huang <huangq...@xiaomi.com> > > reports wireless signal strength. > The value show degree of coupling between tx and rx. > > Signed-off-by: Qiwu Huang <huangq...@xiaomi.com> > --- > Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++ > drivers/power/supply/power_supply_sysfs.c | 1 + > include/linux/power_supply.h | 1 + > 3 files changed, 12 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-class-power > b/Documentation/ABI/testing/sysfs-class-power > index 03ab449fae8a..75ec7de2fe78 100644 > --- a/Documentation/ABI/testing/sysfs-class-power > +++ b/Documentation/ABI/testing/sysfs-class-power > @@ -757,3 +757,13 @@ Description: > 13: ADAPTER_VOICE_BOX, > 14: ADAPTER_PRIVATE_PD_50W. > > +What: /sys/class/power_supply/<supply_name>/signal_strength > +Date: Jul 2020 > +Contact: Fei Jiang <jiangf...@xiaomi.com> > +Description: > + In PING phase, RX transmits a signal strength packet as the > first
What does "PING phase" mean? Other than that, seems sane to me, thanks for the changes. Reviewed-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
