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First round of new drivers, features and cleanups for IIO in the 3.19 cycle.

Browse source 
New drivers / supported parts
 * rockchip - rk3066-tsadc variant
 * si7020 humidity and temperature sensor
 * mcp320x - add mcp3001, mcp3002, mcp3004, mcp3008, mcp3201, mcp3202
 * bmp280 pressure and temperature sensor
 * Qualcomm SPMI PMIC current ADC driver
 * Exynos_adc - support exynos7
 
 New features
 * vf610-adc - add temperature sensor support
 * Documentation of current attributes, scaled pressure, offset and
   scaled humidity, RGBC intensity gain factor and scale applied to
   differential voltage channels.
 * Bring iio_event_monitor up to date with newer modifiers.
 * Add of_xlate function to allow for complex channel mappings from the
   device tree.
 * Add -g parameter to generic_buffer example to allow for devices with
   directly fed (no trigger) buffers.
 * Move exynos driver over to syscon for PMU register access.
 
 Cleanups, fixes for new drivers
 * lis3l02dq drop an unneeded else.
 * st sensors - renam st_sensors to st_sensor_settings (for clarity)
 * st sensors - drop an unused parameter from all the probe utility
   functions.
 * vf610 better error handling and tidy up.
 * si7020 - cleanups following merge
 * as3935 - drop some unnecessary semicolons.
 * bmp280 - fix the pressure calculation.
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Merge tag 'iio-for-3.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of new drivers, features and cleanups for IIO in the 3.19 cycle.

New drivers / supported parts
* rockchip - rk3066-tsadc variant
* si7020 humidity and temperature sensor
* mcp320x - add mcp3001, mcp3002, mcp3004, mcp3008, mcp3201, mcp3202
* bmp280 pressure and temperature sensor
* Qualcomm SPMI PMIC current ADC driver
* Exynos_adc - support exynos7

New features
* vf610-adc - add temperature sensor support
* Documentation of current attributes, scaled pressure, offset and
  scaled humidity, RGBC intensity gain factor and scale applied to
  differential voltage channels.
* Bring iio_event_monitor up to date with newer modifiers.
* Add of_xlate function to allow for complex channel mappings from the
  device tree.
* Add -g parameter to generic_buffer example to allow for devices with
  directly fed (no trigger) buffers.
* Move exynos driver over to syscon for PMU register access.

Cleanups, fixes for new drivers
* lis3l02dq drop an unneeded else.
* st sensors - renam st_sensors to st_sensor_settings (for clarity)
* st sensors - drop an unused parameter from all the probe utility
  functions.
* vf610 better error handling and tidy up.
* si7020 - cleanups following merge
* as3935 - drop some unnecessary semicolons.
* bmp280 - fix the pressure calculation.
This commit is contained in:
Greg Kroah-Hartman 2014-11-05 11:42:48 -08:00
commit be61a0d784
47 changed files with 1907 additions and 276 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/linux/iio/common/st_sensors.h
View file

@ -164,7 +164,7 @@ struct st_sensor_transfer_function {
};
/**
* struct st_sensors - ST sensors list
* struct st_sensor_settings - ST specific sensor settings
* @wai: Contents of WhoAmI register.
* @sensors_supported: List of supported sensors by struct itself.
* @ch: IIO channels for the sensor.
@ -177,7 +177,7 @@ struct st_sensor_transfer_function {
* @multi_read_bit: Use or not particular bit for [I2C/SPI] multi-read.
* @bootime: samples to discard when sensor passing from power-down to power-up.
*/
struct st_sensors {
struct st_sensor_settings {
u8 wai;
char sensors_supported[ST_SENSORS_MAX_4WAI][ST_SENSORS_MAX_NAME];
struct iio_chan_spec *ch;
@ -196,7 +196,7 @@ struct st_sensors {
* struct st_sensor_data - ST sensor device status
* @dev: Pointer to instance of struct device (I2C or SPI).
* @trig: The trigger in use by the core driver.
* @sensor: Pointer to the current sensor struct in use.
* @sensor_settings: Pointer to the specific sensor settings in use.
* @current_fullscale: Maximum range of measure by the sensor.
* @vdd: Pointer to sensor's Vdd power supply
* @vdd_io: Pointer to sensor's Vdd-IO power supply
@ -213,7 +213,7 @@ struct st_sensors {
struct st_sensor_data {
struct device *dev;
struct iio_trigger *trig;
struct st_sensors *sensor;
struct st_sensor_settings *sensor_settings;
struct st_sensor_fullscale_avl *current_fullscale;
struct regulator *vdd;
struct regulator *vdd_io;
@ -279,7 +279,7 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *ch, int *val);
int st_sensors_check_device_support(struct iio_dev *indio_dev,
int num_sensors_list, const struct st_sensors *sensors);
int num_sensors_list, const struct st_sensor_settings *sensor_settings);
ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
struct device_attribute *attr, char *buf);

8
include/linux/iio/iio.h
View file

@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/cdev.h>
#include <linux/iio/types.h>
#include <linux/of.h>
/* IIO TODO LIST */
/*
* Provide means of adjusting timer accuracy.
@ -326,6 +327,11 @@ struct iio_dev;
* @update_scan_mode: function to configure device and scan buffer when
* channels have changed
* @debugfs_reg_access: function to read or write register value of device
* @of_xlate: function pointer to obtain channel specifier index.
* When #iio-cells is greater than '0', the driver could
* provide a custom of_xlate function that reads the
* *args* and returns the appropriate index in registered
* IIO channels array.
**/
struct iio_info {
struct module *driver_module;
@ -385,6 +391,8 @@ struct iio_info {
int (*debugfs_reg_access)(struct iio_dev *indio_dev,
unsigned reg, unsigned writeval,
unsigned *readval);
int (*of_xlate)(struct iio_dev *indio_dev,
const struct of_phandle_args *iiospec);
};
/**