The following changes since commit edf7abde26cd2625fe17a1a1f6a35aa758f72cd0:
Staging: iio: adt7316-i2c: quoted string split across lines (2013-10-06 23:02:13 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git tags/iio-for-3.12d
for you to fetch changes up to 43e01beda4b578e947aafb5b5ee19e5bb598e8ca:
iio: light: gp2ap020a00f: Include linux/of.h header (2013-10-18 20:05:57 +0100)
----------------------------------------------------------------
Fourth round of IIO new drivers, functionality and cleanups for the 3.13 cycle.
New Drivers
* cm36651 combined RGB light and proximity sensor.
Core improvements
* Some more fixes and cleanups related to buffers. These include the second
half of a series which went is as fixes. The basis for delaying until the
next merge window is that some are too invasive for this late in a cycle
and others only effect code paths current unused in the mainline tree.
In this case we have:
* protecting against concurrent userspace access
* fixing a memory leak if a device goes away
* avoiding always reallocating the buffer whether or not it has changed
(a bug fix, but one with no functional changes other than a small speed
improvement.)
* Add reference counting for buffers to ensure they hang around if open
from userspace or in kernel when the device is forcefully removed.
* Return -ENODEV for buffer access operations when the device has gone
away.
* Add proper locking for iio_update_buffers (currently we only have one
buffer per device in mainline, but an input bridge driver is under
development which would make this bug 'real'.)
* Wake up anyone waiting on a buffer if the device is unregistered. A
subsequent read will fail, notifying userspace that the device is no
longer there rather than having it wait possibly for ever.
* Move the iio_sw_preenable functionality into the core. This avoids drivers
having to 'know' about how the buffers are implemented and is called by
almost all drivers anyway. Those that don't call it are not harmed by it
being called.
* New registration approach for information (i.e. sysfs attributes) about
events. Much more generic and now similar to how the equivalent is
handled for channel information. The events infrastructure had been left
behind by other changes so this brings it back in line.
* Using the new events registration approach, add a hysterisis event_info
element and apply this to those drivers with this property.
* A little unitialized variable bug in the generic_buffer.c example.
* Factor out the code for freeing lists of IIO Device attributes to avoid
some repitition.
Driver cleanups
* At91 driver gains touch screen support and some related fixes.
* Follow up series of patches removing the now redundant
iio_sw_buffer_preenable calls.
* Lots of conversions to the new event registration methods.
* Another round of hmc5843 cleanups as that driver moves towards graduating
from staging.
* Make some SoC drivers buildable if COMPILE_TEST is used. Follow up fixes
for a few bits and bobs that revealed.
* Add explicit includes of linux/of.h to those drivers making us of linux/of.h
----------------------------------------------------------------
Beomho Seo (2):
iio: cm36651: Add CM36651 proximity/light sensor
DT: Add documentation for cm36651 proximity/light sensor
Josh Wu (3):
iio: at91: ADC start-up time calculation changed since at91sam9x5
iio: at91: move the num_channels from DT to driver itself
iio: at91: introduce touch screen support in iio adc driver
Lars-Peter Clausen (52):
iio: Add reference counting for buffers
iio: Return -ENODEV for file operations if the device has been unregistered
iio: Wakeup poll and blocking reads when the device is unregistered
iio:buffer: Add proper locking for iio_update_buffers()
iio: Add a helper to free a list of IIO device attributes
iio: Factor IIO value formating into its own function
iio: Extend the event config interface
iio:max1363: Switch to new event config interface
iio:ad5421: Switch to new event config interface
iio:gp2ap020a00f: Switch to new event config interface
iio:tsl2563: Switch to new event config interface
iio:apds9300: Use new event config interface
staging:iio:lis3l02dq: Switch to new event config interface
staging:iio:lis2l02dq: Share threshold value between axis
staging:iio:sca3000: Switch to new config interface
staging:iio:ad7291: Switch to new event config interface
staging:iio:ad799x: Switch to new event config interface
staging:iio:ad7150: Switch to new event config interface
staging:iio:simple_dummy: Switch to new event config interface
staging:iio:tsl2x7x: Switch to new event config interface
iio: Add a hysteresis event info attribute
staging:iio:ad799x: Simplify threshold register look-up
staging:iio:ad799x: Use event spec for threshold hysteresis
staging:iio:ad7291: Use event spec for threshold hysteresis
iio:buffer: Ignore noop requests for iio_update_buffers()
staging:iio:spear_adc: Remove unused variable
staging:iio:spear_adc: Fix sparse warning
staging:iio:mxs-lradc: Select STMP_DEVICE
staging:iio: Allow to build SoC specific drivers when COMPILE_TEST is set
iio:kfifo: Fix memory leak
iio:kfifo: Protect against concurrent access from userspace
iio:kfifo: Empty buffer on update
iio:kfifo: Set update_needed to false after allocating a new buffer
iio: Update buffer's bytes per datum after updating the scan mask
iio:st_accel: Drop redundant call to iio_sw_buffer_preenable()
iio:ad7266: Remove redundant call to iio_sw_preenable()
iio:ad7887: Remove redundant call to iio_sw_buffer_preenable().
iio:ad_sigma_delta: Remove redundant call to iio_sw_buffer_preenable().
iio:ti_am335x: Remove redundant call to iio_sw_buffer_preenable()
iio:st_gyro: Remove redundant call to iio_sw_buffer_preenable().
iio:triggered-buffer: Remove redundant call to iio_sw_buffer_preenable().
iio:st_magn: Remove redundant call to iio_sw_buffer_preenable().
iio:st_pressure: Remove redundant call to iio_sw_buffer_preenable().
iio:gp2ap020a00f: Remove redundant call to iio_sw_buffer_preenable()
staging:iio:lis3l02dq: Remove redundant call to iio_sw_buffer_preenable().
staging:iio:mxs-lradc: Remove redundant call to iio_sw_buffer_preenable()
staging:iio:simple-dummy: Remove redundant call to iio_sw_buffer_preenable()
staging:iio:ad5933: Remove redundant call to iio_sw_buffer_preenable()
staging:iio:ade7758: Remove redundant call to iio_sw_buffer_preenable()
iio: Remove unused iio_sw_buffer_preenable()
staging:iio:lpc32xx_adc: Fix IRQ check
staging:iio:spear_adc: Fix IRQ check
Peter Meerwald (11):
staging:iio:hmc5843: Use SCALE instead of magn_range
staging:iio:hmc5843: Rename _check_samp_freq to get_samp_freq_index
staging:iio:hmc5843: Always read all channels values otherwise no updates
staging:iio:hmc5843: Add trigger handling
staging:iio:hmc5843: Remove ability to change operating mode
staging:iio:hmc5843: Rename _configure() to _set_mode()
staging:iio:hmc5843: Reorganize _set_meas_conf()
staging:iio:hmc5843: Rename _set_rate() to _set_samp_freq()
staging:iio:hmc5843: Introduce _set_range_gain()
staging:iio:hmc5843: Check initialization and chip identifier
staging:iio:hmc5843: Trivial cleanup
Sachin Kamat (4):
iio: adc: mcp3422: Include linux/of.h header
iio: adc: nau7802: Include linux/of.h header
iio: adc: ti-adc081c: Include linux/of.h header
iio: light: gp2ap020a00f: Include linux/of.h header
Sebastian Andrzej Siewior (1):
staging: iio: generic_buffer: initialize ret
Documentation/ABI/testing/sysfs-bus-iio | 56 ++
.../devicetree/bindings/arm/atmel-adc.txt | 8 +-
.../devicetree/bindings/iio/light/cm36651.txt | 26 +
.../devicetree/bindings/vendor-prefixes.txt | 1 +
arch/arm/mach-at91/include/mach/at91_adc.h | 34 +
drivers/iio/accel/st_accel_buffer.c | 11 +-
drivers/iio/adc/ad7266.c | 12 +-
drivers/iio/adc/ad7887.c | 5 -
drivers/iio/adc/ad_sigma_delta.c | 1 -
drivers/iio/adc/at91_adc.c | 453 +++++++++++--
drivers/iio/adc/max1363.c | 200 +++---
drivers/iio/adc/mcp3422.c | 1 +
drivers/iio/adc/nau7802.c | 1 +
drivers/iio/adc/ti-adc081c.c | 1 +
drivers/iio/adc/ti_am335x_adc.c | 2 +-
drivers/iio/buffer_cb.c | 21 +-
drivers/iio/dac/ad5421.c | 62 +-
drivers/iio/gyro/st_gyro_buffer.c | 11 +-
drivers/iio/iio_core.h | 6 +
drivers/iio/industrialio-buffer.c | 188 ++++--
drivers/iio/industrialio-core.c | 82 ++-
drivers/iio/industrialio-event.c | 230 ++++++-
drivers/iio/industrialio-triggered-buffer.c | 8 +-
drivers/iio/kfifo_buf.c | 44 +-
drivers/iio/light/Kconfig | 11 +
drivers/iio/light/Makefile | 1 +
drivers/iio/light/apds9300.c | 53 +-
drivers/iio/light/cm36651.c | 708 +++++++++++++++++++++
drivers/iio/light/gp2ap020a00f.c | 107 +++-
drivers/iio/light/tsl2563.c | 53 +-
drivers/iio/magnetometer/st_magn_buffer.c | 11 +-
drivers/iio/pressure/st_pressure_buffer.c | 11 +-
drivers/staging/iio/Documentation/iio_utils.h | 2 +-
drivers/staging/iio/accel/lis3l02dq_core.c | 64 +-
drivers/staging/iio/accel/lis3l02dq_ring.c | 3 +-
drivers/staging/iio/accel/sca3000_core.c | 58 +-
drivers/staging/iio/accel/sca3000_ring.c | 13 +-
drivers/staging/iio/adc/Kconfig | 7 +-
drivers/staging/iio/adc/ad7291.c | 219 +++----
drivers/staging/iio/adc/ad799x.h | 16 +-
drivers/staging/iio/adc/ad799x_core.c | 273 ++++----
drivers/staging/iio/adc/lpc32xx_adc.c | 2 +-
drivers/staging/iio/adc/mxs-lradc.c | 6 -
drivers/staging/iio/adc/spear_adc.c | 5 +-
drivers/staging/iio/cdc/ad7150.c | 163 +++--
drivers/staging/iio/iio_simple_dummy.c | 30 +-
drivers/staging/iio/iio_simple_dummy.h | 22 +-
drivers/staging/iio/iio_simple_dummy_buffer.c | 10 +-
drivers/staging/iio/iio_simple_dummy_events.c | 49 +-
drivers/staging/iio/impedance-analyzer/ad5933.c | 12 +-
drivers/staging/iio/light/tsl2x7x_core.c | 120 ++--
drivers/staging/iio/magnetometer/hmc5843.c | 516 +++++++--------
drivers/staging/iio/meter/ade7758_ring.c | 12 +-
include/linux/iio/buffer.h | 30 +-
include/linux/iio/events.h | 14 -
include/linux/iio/iio.h | 58 ++
include/linux/iio/types.h | 20 +
57 files changed, 2905 insertions(+), 1238 deletions(-)
create mode 100644 Documentation/devicetree/bindings/iio/light/cm36651.txt
create mode 100644 drivers/iio/light/cm36651.c
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