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2013-09-22iio: ti_am335x_adc: cleanup error caseiio-for-3.13aZubair Lutfullah
Driver is functional without this error case. Cleaned up. Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-22iio: ti_am335x_adc: cleanup trigger related codeZubair Lutfullah
Trigger related headers and variables are not needed as driver is now based on INDIO_BUFFER_HARDWARE mode Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-22iio: ti_am335x_adc: fix static in function headerZubair Lutfullah
Static is missing in function header. Corrected. Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:press: Register buffer also without specific triggerDenis CIOCCA
This patch fix buffer registration that allows to use generic IIO trigger. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:magn: Register buffer also without specific triggerDenis CIOCCA
This patch fix buffer registration that allows to use generic IIO trigger. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:gyro: Register buffer also without specific triggerDenis CIOCCA
This patch fix buffer registration that allows to use generic IIO trigger. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:accel: Register buffer also without specific triggerDenis CIOCCA
This patch fix buffer registration that allows to use generic IIO trigger. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: magn-core: st: Clean up error handling in probe()Lee Jones
Reduce the amount of those unnecessary goto calls, as in most cases we can simply return immediately. We also only call for the IRQ number once and use that value throughout. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: gyro-core: st: Clean up error handling in probe()Lee Jones
Reduce the amount of those unnecessary goto calls, as in most cases we can simply return immediately. We also only call for the IRQ number once and use that value throughout. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: accel-core: st: Clean up error handling in probe()Lee Jones
Reduce the amount of those unnecessary goto calls, as in most cases we can simply return immediately. We also only call for the IRQ number once and use that value throughout. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: pressure: st: Add support for new LPS001WP pressure sensorLee Jones
Here we use existing practices to introduce support for another pressure/temperature sensor, the LPS001WP. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: pressure-core: st: Clean-up probe() functionLee Jones
This patch contains some pretty basic clean-ups in probe() pertaining to the simplification of error handling and a couple of readability adaptions. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: sensors-core: st: Clean-up error handling in st_sensors_read_axis_data()Lee Jones
Gets rid of those unnecessary gotos. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: sensors-core: st: Clean-up error handling in st_sensors_init_sensor()Lee Jones
Strip out all those unnecessary gotos and just return the error right away. Aids to simplicity and reduces code. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: sensors-core: st: Support sensors which don't have a Data Ready pinLee Jones
Not all ST's sensors support data ready, so let's make the declaration of one conditional. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:ade7758: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:dummy: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:mxs-lradc: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:ad799x: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:ad7606: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21staging:iio:lis3l02dq: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:gp2ap020a00f: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:tcs3472: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:adjd_s311: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:mpu6050: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Ge Gao <ggao@invensense.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:adis_lib: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:adis16400: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:itg3200: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Manuel Stahl <manuel.stahl@iis.fraunhofer.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:st_sensors: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Denis Ciocca <denis.ciocca@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:max1363: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:at91_adc: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Josh Wu <josh.wu@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad_sigma_delta: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad7923: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad7887: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad7476: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad7298: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:ad7266: Use iio_push_to_buffers_with_timestamp()Lars-Peter Clausen
Makes the code a bit shorter and less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio:bma180: Use iio_push_buffers_with_timestamp()Lars-Peter Clausen
Makes the code shorter and a bit less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: Add iio_push_buffers_with_timestamp() helperLars-Peter Clausen
Drivers using software buffers often store the timestamp in their data buffer before calling iio_push_to_buffers() with that data buffer. Storing the timestamp in the buffer usually involves some ugly pointer arithmetic. This patch adds a new helper function called iio_push_buffers_with_timestamp() which is similar to iio_push_to_buffers but takes an additional timestamp parameter. The function will help to hide to uglyness in one central place instead of exposing it in every driver. If timestamps are enabled for the IIO device iio_push_buffers_with_timestamp() will store the timestamp as the last element in buffer, before passing the buffer on to iio_push_buffers(). The buffer needs large enough to hold the timestamp in this case. If timestamps are disabled iio_push_buffers_with_timestamp() will behave just like iio_push_buffers(). Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Cc: Josh Wu <josh.wu@atmel.com> Cc: Denis Ciocca <denis.ciocca@gmail.com> Cc: Manuel Stahl <manuel.stahl@iis.fraunhofer.de> Cc: Ge Gao <ggao@invensense.com> Cc: Peter Meerwald <pmeerw@pmeerw.net> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Marek Vasut <marex@denx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: Pass scan mask as unsigned longPeter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: Fix tcs3472 dev-to-indio_dev conversion in suspend/resumePeter Meerwald
dev_to_iio_dev() is a false friend Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: ti_am335x_adc: Add continuous sampling supportZubair Lutfullah
Previously the driver had only one-shot reading functionality. This patch adds continuous sampling support to the driver. Continuous sampling starts when buffer is enabled. HW IRQ wakes worker thread that pushes samples to userspace. Sampling stops when buffer is disabled by userspace. Patil Rachna (TI) laid the ground work for ADC HW register access. Russ Dill (TI) fixed bugs in the driver relevant to FIFOs and IRQs. I fixed channel scanning so multiple ADC channels can be read simultaneously and pushed to userspace. Restructured the driver to fit IIO ABI. And added INDIO_BUFFER_HARDWARE mode. Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russ Dill <Russ.Dill@ti.com> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21iio: ti_am335x_adc: optimize memory usageZubair Lutfullah
12 bit ADC data is stored in 32 bits of storage. Change from u32 to u16 to reduce wasted memory. Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21input: ti_am335x_tsc: Enable shared IRQ for TSCZubair Lutfullah
Enable shared IRQ to allow ADC to share IRQ line from parent MFD core. Only FIFO0 IRQs are for TSC and handled on the TSC side. Step mask would be updated from cached variable only previously. In rare cases when both TSC and ADC are used, the cached variable gets mixed up. The step mask is written with the required mask every time. Rachna Patil (TI) laid ground work for shared IRQ. Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-20iio: at91_adc: Cocci spatch "noderef"Thomas Meyer
sizeof when applied to a pointer typed expression gives the size of the pointer. Found by coccinelle spatch "misc/noderef.cocci" Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-18iio: Make available scan_masks const in ad7266Peter Meerwald
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-18iio: Minor cleanups of industrialio-bufferPeter Meerwald
adding one return value check fix one kerneldoc Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-16iio:max1361: Use default triggered buffer setup opsLars-Peter Clausen
The max1361 driver uses the same callbacks as the triggered buffer default buffer setup ops, so just remove the max1361 specific ops and let it use the default ops. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-15staging:iio: Remove unnecessary casts for iio_push_to_buffers()Lars-Peter Clausen
Now that iio_push_to_buffers() takes a void pointer for the data parameter we can remove those casts to u8*. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-15iio: Remove unnecessary casts for iio_push_to_buffers()Lars-Peter Clausen
Now that iio_push_to_buffers() takes a void pointer for the data parameter we can remove those casts to u8*. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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