linux/drivers/iio/gyro
Linus Walleij a9fd053b56 iio: st_sensors: support active-low interrupts
Most ST MEMS Sensors that support interrupts can also handle sending
an active low interrupt, i.e. going from high to low on data ready
(or other interrupt) and thus triggering on a falling edge to the
interrupt controller.

Set up logic to inspect the interrupt line we get for a sensor: if
it is triggering on rising edge, leave everything alone, but if it
triggers on falling edges, set up active low, and if unsupported
configurations appear: warn with errors and reconfigure the interrupt
to a rising edge, which all interrupt generating sensors support.

Create a local header for st_sensors_core.h to share functions
between the sensor core and the trigger setup code.

Cc: Giuseppe Barba <giuseppe.barba@st.com>
Cc: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-01-10 12:35:32 +00:00
..
adis16080.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
adis16130.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
adis16136.c First set of new device support, features and cleanups for IIO in the 4.5 cycle 2015-12-01 09:13:29 -08:00
adis16260.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
adxrs450.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
bmg160_core.c iio: Reconcile operation order between iio_register/unregister and pm functions 2015-11-08 15:36:53 +00:00
bmg160_i2c.c iio: bmg160: Separate i2c and core driver 2015-08-31 17:04:23 +01:00
bmg160_spi.c iio: bmg160: Add SPI driver 2015-08-31 17:06:11 +01:00
bmg160.h iio: bmg160: Separate i2c and core driver 2015-08-31 17:04:23 +01:00
hid-sensor-gyro-3d.c iio: gyro: hid-sensor-gyro-3d: Fix memory leak in probe() 2015-05-17 09:09:49 +01:00
itg3200_buffer.c iio: gyro: itg3200: Fix indio_dev->trig assignment 2014-08-25 21:49:00 +01:00
itg3200_core.c iio: Drop owner assignment from i2c_driver 2015-07-11 18:50:07 +01:00
Kconfig iio: bmg160: Add SPI driver 2015-08-31 17:06:11 +01:00
Makefile iio: bmg160: Add SPI driver 2015-08-31 17:06:11 +01:00
ssp_gyro_sensor.c iio: common: ssp_sensors: Add sensorhub gyroscope sensor 2015-01-29 18:49:56 +00:00
st_gyro_buffer.c iio:st_gyro: Remove redundant call to iio_sw_buffer_preenable(). 2013-10-16 19:12:46 +01:00
st_gyro_core.c iio: st_sensors: support active-low interrupts 2016-01-10 12:35:32 +00:00
st_gyro_i2c.c iio: Drop owner assignment from i2c_driver 2015-07-11 18:50:07 +01:00
st_gyro_spi.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
st_gyro.h iio:gyro: Removed unnecessary parameter on common_probe function 2014-10-04 11:24:52 +01:00