- Apr 19, 2012
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Laxman Dewangan authored
The mask value in the read_raw/write_raw is absolute value, not the bit position value. Fixing this in the implemented function to check value, not with the bit position value. Signed-off-by:
Laxman Dewangan <ldewangan@nvidia.com> Acked-by:
Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jesper Juhl authored
release_firmware() deals gracefullt with NULL pointers - it's redundant to check for them before calling the function. Also remove a few pointless comments - it's rather obvious from the code that kfree() free's a buffer and that release_firmware() releases firmware - comments just stating that add no value. Signed-off-by:
Jesper Juhl <jj@chaosbits.net> Signed-off-by:
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Jesper Juhl authored
Checking for a NULL pointer before calling release_firmware() is redundant since the function does that check itself. Signed-off-by:
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- Apr 14, 2012
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Ian Abbott authored
Allow the default values for the module parameters for the default initial buffer size and default maximum buffer size to be specified in the kernel configuration. I'm not sure what the defaults for the defaults for the defaults should be, but 64 KiB seems to small, so I used values suggested by Bernd Porr, which are 2048 KiB for the default initial buffer size and 20480 for the default maximum buffer size. Signed-off-by:
Ian Abbott <abbotti@mev.co.uk> Cc: Bernd Porr <berndporr@f2s.com> Signed-off-by:
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Ian Abbott authored
For comedi subdevices that support asynchronous transfer commands, the initial buffer size and maximum buffer size for the transfer are both set to 64 KiB when the comedi device is "attached" to the hardware device. For many applications with reasonable fast sample rates and slow user-space (e.g. Python) these sizes are a bit too small. A task with CAP_SYS_ADMIN privileges can change the maximum buffer size for a comedi subdevice with an ioctl call or by writing to a device attribute file in sysfs, but that's not very convenient. For comedi devices attached during system startup, this could be done by a start-up script, but for hot-plugged devices it would require scripts run by udev rules, etc. Rather than use hardwired values, this patch introduces a couple of module parameters to set the defaults for the initial buffer size (comedi_default_buf_size_kb) and maximum buffer size (comedi_default_buf_maxsize_kb). These values are applied in place of the previous hard-wired values when the comedi device is "attached". The module parameter values are in units of KiB for consistency with the existing device attribute files. Signed-off-by:
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Stefan Roese authored
This patch implements the basic single data conversion support for the SPEAr600 SoC ADC. The register layout of SPEAr600 differs a bit from other SPEAr SoC variants (e.g. SPEAr3xx). These differences are handled via DT compatible testing. Resulting in a multi-arch binary. This driver is currently tested only on SPEAr600. Future patches may add support for other SoC variants (SPEAr3xx) and features like software buffer or DMA. Signed-off-by:
Stefan Roese <sr@denx.de> Acked-by:
Jonathan Cameron <jic23@kernel.org> Acked-by:
Viresh Kumar <viresh.kumar@st.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Laxman Dewangan authored
Intersil's ISL29028 is concurrent Ambient Light and Proximity Sensor device. Add driver to access the light and IR intensity and proximity value via iio interface. Signed-off-by:
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Laxman Dewangan authored
Adding channel info IIO_CHAN_INFO_SAMP_FREQ to select different sampling frequency per channel wise. Signed-off-by:
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Jonathan Cameron authored
I was warned long ago that this macro would cause trouble but didn't heed the advice, hence I'm unwinding it now! Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. V2 has the cleanup Lars-Peter suggested. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Note the addition of extend_name = "supply" for the supply voltage adc. This brings this driver into line with the other adis parts. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Note that previously the supply was not indexed. I have made it indexed for consistency with other similar devices and for internal consistency with the aux adc port. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
This macro is being removed to simplify ongoing maintenance so we need to unwind and remaining users. Signed-off-by:
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Jonathan Cameron authored
I can't envision a case where this is not constant and we don't seem to have any in tree, so lets clear up this loose end. Signed-off-by:
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Jonathan Cameron authored
There are a lot of pointers to structures used in here that are not declared unless a particular header is included first. Deal with the IIO specific ones by putting in forward declarations and the other ones by including kernel.h and device.h. Signed-off-by:
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Jonathan Cameron authored
falling is repeated in some entries instead of 1x falling and 1x rising for the entry. Signed-off-by:
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Jonathan Cameron authored
The IIO_LIGHT channel was not marked as being a processed_val despite clearly being in lux. The IIO_INTENSITY channel reads were dependent on channel and that isn't specified for either adc (as they now use modifiers). Hence use the modifier instead. Reported-by:
Jon Brenner <jbrenner@taosinc.com> Signed-off-by:
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Jiri Slaby authored
It was marked as BROKEN back in 2008. It is because the tty handling in the driver is really broken. There was some activity in January 2012 to fix the driver, but the patch was commented to be bogus: https://lkml.org/lkml/2012/1/29/160 and we have not heard back from the author since then: https://lkml.org/lkml/2012/3/28/412 So since nobody stepped in and rewrote the driver, it is time to move it out of line now. And drop it some time later if nobody comes up with patches to fix the driver in staging. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Acked-by:
David S. Miller <davem@davemloft.net> Cc: Alan Cox <alan@linux.intel.com> Cc: Andrea Shepard <andrea@persephoneslair.org> Signed-off-by:
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- Apr 11, 2012
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Jim Cromie authored
spatch http://coccinelle.lip6.fr/rules/array.cocci did these. Signed-off-by:
Jim Cromie <jim.cromie@gmail.com> Signed-off-by:
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Jonathan Cameron authored
Given these drivers only try to add the trigger if a valid irq is present it is clearer to check the same condition when deciding whether to remove it on a later trigger. Signed-off-by:
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Jonathan Cameron authored
Checking indio_dev->modes is uggly and not symmetric with the conditions on whether triggers are allowed in the first place. Signed-off-by:
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Jonathan Cameron authored
Signed-off-by:
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Jonathan Cameron authored
Signed-off-by:
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Jonathan Cameron authored
When moving over to the new sw_ring_preenable I managed to add this callback to only one of the two iio_info structures. As such only some devices will currently work. Signed-off-by:
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Jonathan Cameron authored
I have no idea how I managed to munge the previous patch related to this. Sorry all. Signed-off-by:
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Paul Gortmaker authored
commit 3a0db721 "TTY: serial, move 68360 driver to staging" did so because the driver had remained broken since 2008. It also added this text to the TODO file: "If no one steps up to adopt any of these drivers, they will be removed in the 3.4 release." A quick search on the internet doesn't reveal anyone actively trying to update/fix this driver, so follow through on the above and remove it from the pending 3.4 release. Cc: Jiri Slaby <jslaby@suse.cz> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alan Cox <alan@linux.intel.com> Cc: Greg Ungerer <gerg@snapgear.com> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Rob Clark authored
For now just implementing the exporting APIs, not yet importing. And kmap is rejected on tiled buffers (although the usefulness of that seems questionable, but could be added later if needed). Signed-off-by:
Rob Clark <rob@ti.com> Signed-off-by:
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Ian Abbott authored
usbdux_attach_common() prints two messages via dev_info() that shows a device has been attached. The first of these messages includes an index into a static array that the function determines by pointer subtraction, assuming the pointer passed to the function points to an element of the array. Dan Carpenter pointed out that this was kind of ugly. Since the dev_info() that prints the array index doesn't add anything useful (since no other messages print the array index and nothing else uses it), let's just get rid of it. Signed-off-by:
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Ian Abbott authored
Change the usbdux driver to use the new attach_usb() hook in struct comedi_driver to auto-configure probed USB devices after the firmware is loaded. Signed-off-by:
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Ian Abbott authored
Change the amplc_pci224 driver to use the new attach_pci() hook in struct comedi_driver to auto-configure probed PCI devices. Signed-off-by:
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Ian Abbott authored
comedi_auto_config() only needs to consider a single struct comedi_driver object, but it currently calls comedi_device_attach() which looks at all struct comedi_driver objects registered with the Comedi core. Instead, call the recently added comedi_auto_config_helper() with a new wrapper comedi_auto_config_wrapper() to mimic the effect of comedi_device_attach() for a single struct comedi_driver. Signed-off-by:
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