Hi 2022. október 30., vasárnap 21:32 keltezéssel, Joaquín Ignacio Aramendía írta: > Sensors driver for OXP Handhelds from One-Netbook that expose fan reading > and control via hwmon sysfs. > > As far as I could gather all OXP boards have the same DMI strings and > they are told appart by the boot cpu vendor (Intel/AMD). > Currently only AMD boards are supported. > > Fan control is provided via pwm interface in the range [0-255]. AMD > boards have [0-100] as range in the EC, the written value is scaled to > accommodate for that. > > Signed-off-by: Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx> > --- > Rewritten the driver according to feedback, checkpatch passes, removed > unnecessary complexity and moved the driver to hwmon > --- > drivers/hwmon/Kconfig | 13 +- > drivers/hwmon/Makefile | 1 + > drivers/hwmon/oxp-sensors.c | 278 ++++++++++++++++++++++++++++++++++++ > 3 files changed, 291 insertions(+), 1 deletion(-) > create mode 100644 drivers/hwmon/oxp-sensors.c > > [...] > diff --git a/drivers/hwmon/oxp-sensors.c b/drivers/hwmon/oxp-sensors.c > new file mode 100644 > index 000000000000..128fdf4c46e2 > --- /dev/null > +++ b/drivers/hwmon/oxp-sensors.c > @@ -0,0 +1,278 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Platform driver for OXP Handhelds that expose fan reading and control > + * via hwmon sysfs. > + * > + * All boards have the same DMI strings and they are told appart by the > + * boot cpu vendor (Intel/AMD). Currently only AMD boards are supported > + * but the code is made to be simple to add other handheld boards in the > + * future. > + * Fan control is provided via pwm interface in the range [0-255]. AMD > + * boards use [0-100] as range in the EC, the written value is scaled to > + * accommodate for that. > + * > + * PWM control is disabled by default, can be enabled via module parameter. As far as I can see this is not true anymore. Also, have you checked if there is maybe a WMI interface for this? > [...] Regards, Barnabás Pőcze
