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Thermal: Make Thermal trip points writeable

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Some of the thermal drivers using the Generic Thermal Framework
require (all/some) trip points to be writeable. This patch makes
the trip point temperatures writeable on a per-trip point basis,
and modifies the required function call in thermal.c. This patch
also updates the Documentation to reflect the new change.

Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Durgadoss R
2012-07-25 10:10:58 +08:00
committed by Len Brown
parent 28a33cbc24
commit c56f5c0342
7 changed files with 121 additions and 53 deletions
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15
include/linux/thermal.h
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@@ -58,6 +58,8 @@ struct thermal_zone_device_ops {
enum thermal_trip_type *);
int (*get_trip_temp) (struct thermal_zone_device *, int,
unsigned long *);
int (*set_trip_temp) (struct thermal_zone_device *, int,
unsigned long);
int (*get_crit_temp) (struct thermal_zone_device *, unsigned long *);
int (*notify) (struct thermal_zone_device *, int,
enum thermal_trip_type);
@@ -85,10 +87,17 @@ struct thermal_cooling_device {
((long)t-2732+5)/10 : ((long)t-2732-5)/10)
#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
struct thermal_attr {
struct device_attribute attr;
char name[THERMAL_NAME_LENGTH];
};
struct thermal_zone_device {
int id;
char type[THERMAL_NAME_LENGTH];
struct device device;
struct thermal_attr *trip_temp_attrs;
struct thermal_attr *trip_type_attrs;
void *devdata;
int trips;
int tc1;
@@ -137,9 +146,9 @@ enum {
};
#define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
struct thermal_zone_device *thermal_zone_device_register(char *, int, void *,
const struct thermal_zone_device_ops *, int tc1, int tc2,
int passive_freq, int polling_freq);
struct thermal_zone_device *thermal_zone_device_register(char *, int, int,
void *, const struct thermal_zone_device_ops *, int tc1,
int tc2, int passive_freq, int polling_freq);
void thermal_zone_device_unregister(struct thermal_zone_device *);
int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,