From: Sascha Hauer <s.hauer@pengutronix.de>
To: linux-pm@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>,
linux-kernel@vger.kernel.org,
Stephen Warren <swarren@wwwdotorg.org>,
Mikko Perttunen <mikko.perttunen@kapsi.fi>,
kernel@pengutronix.de, linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Brian Norris <computersforpeace@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>
Subject: [PATCH 13/16] thermal: of: implement .set_trips for device tree thermal zones
Date: Wed, 20 May 2015 15:20:43 +0200 [thread overview]
Message-ID: <1432128046-12921-14-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1432128046-12921-1-git-send-email-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/thermal/of-thermal.c | 12 ++++++++++++
include/linux/thermal.h | 4 ++++
2 files changed, 16 insertions(+)
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index bd3185e..f8dd847 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -97,6 +97,17 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz,
return data->ops->get_temp(data->sensor_data, temp);
}
+static int of_thermal_set_trips(struct thermal_zone_device *tz,
+ int low, int high)
+{
+ struct __thermal_zone *data = tz->devdata;
+
+ if (!data->ops || !data->ops->set_trips)
+ return -ENOSYS;
+
+ return data->ops->set_trips(data->sensor_data, low, high);
+}
+
/**
* of_thermal_get_ntrips - function to export number of available trip
* points.
@@ -367,6 +378,7 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,
static const struct thermal_zone_device_ops of_thermal_ops = {
.get_temp = of_thermal_get_temp,
+ .set_trips = of_thermal_set_trips,
.get_trend = of_thermal_get_trend,
.set_emul_temp = of_thermal_set_emul_temp,
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index aef6e13..3ae8996 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -267,12 +267,16 @@ struct thermal_genl_event {
*
* Optional:
* @get_trend: a pointer to a function that reads the sensor temperature trend.
+ * @set_trips: a pointer to a function that sets a temperature window. When this
+ * window is left the driver must inform the thermal core via
+ * thermal_zone_device_update.
* @set_emul_temp: a pointer to a function that sets sensor emulated
* temperature.
*/
struct thermal_zone_of_device_ops {
int (*get_temp)(void *, int *);
int (*get_trend)(void *, int, enum thermal_trend *);
+ int (*set_trips)(void *, int, int);
int (*set_emul_temp)(void *, int);
};
--
2.1.4
next prev parent reply other threads:[~2015-05-20 13:21 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 13:20 [PATCH v4] Thermal cleanups and hardware trip points Sascha Hauer
2015-05-20 13:20 ` [PATCH 01/16] thermal: consistently use int for temperatures Sascha Hauer
2015-05-20 13:20 ` [PATCH 02/16] thermal: trivial: fix typo in comment Sascha Hauer
2015-05-20 13:20 ` [PATCH 03/16] thermal: remove useless call to thermal_zone_device_set_polling Sascha Hauer
2015-05-20 13:20 ` [PATCH 04/16] thermal: Use IS_ENABLED instead of #ifdef Sascha Hauer
2015-05-20 13:20 ` [PATCH 05/16] thermal: Add comment explaining test for critical temperature Sascha Hauer
2015-05-20 13:20 ` [PATCH 06/16] thermal: inline only once used function Sascha Hauer
2015-05-20 13:20 ` [PATCH 07/16] thermal: streamline get_trend callbacks Sascha Hauer
2015-05-20 13:20 ` [PATCH 08/16] thermal: Allow sensor ops to fail with -ENOSYS Sascha Hauer
2015-05-20 13:20 ` [PATCH 09/16] thermal: of: always set sensor related callbacks Sascha Hauer
2015-05-20 13:20 ` [PATCH 10/16] thermal: Make struct thermal_zone_device_ops const Sascha Hauer
2015-05-20 13:20 ` [PATCH 11/16] thermal: bang-bang governor: act on lower trip boundary Sascha Hauer
2015-05-20 13:20 ` [PATCH 12/16] thermal: thermal: Add support for hardware-tracked trip points Sascha Hauer
2015-05-20 13:20 ` Sascha Hauer [this message]
2015-05-20 13:20 ` [PATCH 14/16] dt-bindings: thermal: Add binding document for Mediatek thermal controller Sascha Hauer
2015-05-20 13:20 ` [PATCH 15/16] thermal: Add Mediatek thermal controller support Sascha Hauer
2015-05-20 13:20 ` [PATCH 16/16] ARM64: dts: mt8173: Add thermal/auxadc device nodes Sascha Hauer
2015-06-08 6:56 ` [PATCH v4] Thermal cleanups and hardware trip points Sascha Hauer
2015-06-22 6:38 ` Sascha Hauer
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