summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 15:43:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 15:43:56 -0800
commit1c59e1edb13d60b97b7b03b332ceed5d967d4227 (patch)
treed5340c2e7b3682adc190b939aec8666bc3659a56 /include
parentbb3dd056ed1af9b186f0d9fe849eab78c51d14ce (diff)
parent4fccd4a1e8944033bcd7693ea4e8fb478cd2059a (diff)
Merge tag 'hwmon-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck: - new drivers for TMP108 and TC654 - hwmon core code cleanup - coretemp driver cleanup - fix overflow issues in several drivers - minor fixes, cleanups and enhancements in various drivers * tag 'hwmon-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (41 commits) hwmon: (g762) Fix overflows and crash seen when writing limit attributes hwmon: (emcw201) Fix overflows seen when writing into limit attributes hwmon: (emc2103) Fix overflows seen when temperature limit attributes hwmon: (lm85) Fix overflows seen when writing voltage limit attributes hwmon: (lm87) Fix overflow seen when writing voltage limit attributes hwmon: (nct7802) Fix overflows seen when writing into limit attributes hwmon: (adt7470) Fix overflows seen when writing into limit attributes hwmon: (adt7462) Fix overflows seen when writing into limit attributes hwmon: (adm1026) Fix overflows seen when writing into limit attributes hwmon: (adm1025) Fix overflows seen when writing voltage limits hwmon: (via-cputemp) Convert to hotplug state machine devicetree: hwmon: Add documentation for TMP108 driver. hwmon: Add Texas Instruments TMP108 temperature sensor driver. hwmon: (core) Simplify sysfs attribute name allocation hwmon: (core) Rename groups parameter in API to extra_groups hwmon: (core) Explain why at least two attribute groups are allocated hwmon: (core) Make is_visible callback truly mandatory hwmon: (core) Deprecate hwmon_device_register() hwmon: (core) Clarify use of chip attributes hwmon: (core) Add support for string attributes to new API ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/hwmon.h31
1 files changed, 23 insertions, 8 deletions
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 9d2f8bde7d12..78d59dba563e 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -298,8 +298,8 @@ enum hwmon_pwm_attributes {
* Channel number
* The function returns the file permissions.
* If the return value is 0, no attribute will be created.
- * @read: Read callback. Optional. If not provided, attributes
- * will not be readable.
+ * @read: Read callback for data attributes. Mandatory if readable
+ * data attributes are present.
* Parameters are:
* @dev: Pointer to hardware monitoring device
* @type: Sensor type
@@ -308,8 +308,19 @@ enum hwmon_pwm_attributes {
* Channel number
* @val: Pointer to returned value
* The function returns 0 on success or a negative error number.
- * @write: Write callback. Optional. If not provided, attributes
- * will not be writable.
+ * @read_string:
+ * Read callback for string attributes. Mandatory if string
+ * attributes are present.
+ * Parameters are:
+ * @dev: Pointer to hardware monitoring device
+ * @type: Sensor type
+ * @attr: Sensor attribute
+ * @channel:
+ * Channel number
+ * @str: Pointer to returned string
+ * The function returns 0 on success or a negative error number.
+ * @write: Write callback for data attributes. Mandatory if writeable
+ * data attributes are present.
* Parameters are:
* @dev: Pointer to hardware monitoring device
* @type: Sensor type
@@ -324,6 +335,8 @@ struct hwmon_ops {
u32 attr, int channel);
int (*read)(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *val);
+ int (*read_string)(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, char **str);
int (*write)(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long val);
};
@@ -349,7 +362,9 @@ struct hwmon_chip_info {
const struct hwmon_channel_info **info;
};
+/* hwmon_device_register() is deprecated */
struct device *hwmon_device_register(struct device *dev);
+
struct device *
hwmon_device_register_with_groups(struct device *dev, const char *name,
void *drvdata,
@@ -362,12 +377,12 @@ struct device *
hwmon_device_register_with_info(struct device *dev,
const char *name, void *drvdata,
const struct hwmon_chip_info *info,
- const struct attribute_group **groups);
+ const struct attribute_group **extra_groups);
struct device *
devm_hwmon_device_register_with_info(struct device *dev,
- const char *name, void *drvdata,
- const struct hwmon_chip_info *info,
- const struct attribute_group **groups);
+ const char *name, void *drvdata,
+ const struct hwmon_chip_info *info,
+ const struct attribute_group **extra_groups);
void hwmon_device_unregister(struct device *dev);
void devm_hwmon_device_unregister(struct device *dev);