Commit 514e6d20 authored by Zhang Rui's avatar Zhang Rui

Thermal: update documentation for thermal_zone_device_register

Update kernel Documentation for thermal_zone_device_register.
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent a00e55f9
...@@ -31,15 +31,17 @@ temperature) and throttle appropriate devices. ...@@ -31,15 +31,17 @@ temperature) and throttle appropriate devices.
1. thermal sysfs driver interface functions 1. thermal sysfs driver interface functions
1.1 thermal zone device interface 1.1 thermal zone device interface
1.1.1 struct thermal_zone_device *thermal_zone_device_register(char *name, 1.1.1 struct thermal_zone_device *thermal_zone_device_register(char *type,
int trips, int mask, void *devdata, int trips, int mask, void *devdata,
struct thermal_zone_device_ops *ops) struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp,
int passive_delay, int polling_delay))
This interface function adds a new thermal zone device (sensor) to This interface function adds a new thermal zone device (sensor) to
/sys/class/thermal folder as thermal_zone[0-*]. It tries to bind all the /sys/class/thermal folder as thermal_zone[0-*]. It tries to bind all the
thermal cooling devices registered at the same time. thermal cooling devices registered at the same time.
name: the thermal zone name. type: the thermal zone type.
trips: the total number of trip points this thermal zone supports. trips: the total number of trip points this thermal zone supports.
mask: Bit string: If 'n'th bit is set, then trip point 'n' is writeable. mask: Bit string: If 'n'th bit is set, then trip point 'n' is writeable.
devdata: device private data devdata: device private data
...@@ -57,6 +59,12 @@ temperature) and throttle appropriate devices. ...@@ -57,6 +59,12 @@ temperature) and throttle appropriate devices.
will be fired. will be fired.
.set_emul_temp: set the emulation temperature which helps in debugging .set_emul_temp: set the emulation temperature which helps in debugging
different threshold temperature points. different threshold temperature points.
tzp: thermal zone platform parameters.
passive_delay: number of milliseconds to wait between polls when
performing passive cooling.
polling_delay: number of milliseconds to wait between polls when checking
whether trip points have been crossed (0 for interrupt driven systems).
1.1.2 void thermal_zone_device_unregister(struct thermal_zone_device *tz) 1.1.2 void thermal_zone_device_unregister(struct thermal_zone_device *tz)
......
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