diff options
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/imx_sc_thermal.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c index ce9bf6d7df20..8503c38a4507 100644 --- a/drivers/thermal/imx_sc_thermal.c +++ b/drivers/thermal/imx_sc_thermal.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/device_cooling.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/slab.h> @@ -179,6 +180,28 @@ static int imx_sc_tsens_probe(struct platform_device *pdev) trip = of_thermal_get_trip_points(sensor->tzd); sensor->temp_passive = trip[0].temperature; sensor->temp_critical = trip[1].temperature; + + sensor->cdev = devfreq_cooling_register(); + if (IS_ERR(sensor->cdev)) { + dev_err(&pdev->dev, + "failed to register devfreq cooling device: %d\n", + ret); + goto failed; + } + + ret = thermal_zone_bind_cooling_device(sensor->tzd, + IMX_TRIP_PASSIVE, + sensor->cdev, + THERMAL_NO_LIMIT, + THERMAL_NO_LIMIT, + THERMAL_WEIGHT_DEFAULT); + if (ret) { + dev_err(&sensor->tzd->device, + "binding zone %s with cdev %s failed:%d\n", + sensor->tzd->type, sensor->cdev->type, ret); + devfreq_cooling_unregister(sensor->cdev); + goto failed; + } } return 0; |