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2014-08-19staging:iio: Remove ad5930/ad9850/ad9852/ad9910/ad9951 dummy driversLars-Peter Clausen
All what these 'drivers' do is expose a single (non standard ABI) sysfs attribute that when written to does a direct pass-through to spi_write(). This is rather ugly and does not justify the existence of a driver as the same can easily done by using the spidev interface. The drivers will eventually be rewritten as proper IIO ABI compliant drivers which do have the proper abstraction layers between userspace and the device. But in the meantime these driver do not add any extra value and just clutter up the staging area. So just remove them. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-19MAINTAINERS: Add entry for Analog Devices IIO driversLars-Peter Clausen
Add Michael and myself as the maintainer for the Analog Devices IIO drivers. The entry matches on all files in drivers/staging/iio and drivers/iio/ starting with the 'ad' prefix, except for 'adjd' as that one is used by Avago Technologies. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-19MAINTAINERS: Add designated reviewers for IIO subsystemLars-Peter Clausen
Add those persons who generally tend to review new IIO patches to the list of designated reviewers to make sure that they are Cc'ed on new patches. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-14HID: hid-sensor-hub: use devm_ functions consistentlyHimangi Saraogi
Use devm_kzalloc for all calls to kzalloc and not just the first. Use devm functions for other allocations as well. The calls to free the allocated memory in the probe and remove functions are done away with and a label is removed in the probe function. The semantic match that finds the inconsistency is as follows: // <smpl> @@ @@ *devm_kzalloc(...) ... *kzalloc(...) // </smpl> Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-08iio:buffer: Wrong sized allocation of demux table elements.Jonathan Cameron
The size of the allocation is currently set to the size of the pointer rather than the structure we should actually be allocating. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Reported-by: kbuild@01.org Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2014-08-07iio: adc: exynos_adc: Add support for s3c24xx ADCChanwoo Choi
This patch add support for s3c2410/s3c2416/s3c2440/s3c2443 ADC. The s3c24xx is alomost same as ADCv1. But, There are a little difference as following: - ADCMUX register address - ADCDAT mask (10 bit or 12 bit ADC resolution according to SoC version) - s3c24xx/s3c64xx has not included ADC_PHY enable register Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: adc: exynos_adc: add support for s3c64xx adcArnd Bergmann
The ADC in s3c64xx is almost the same as exynosv1, but has a different 'select' method. Adding this here will be helpful to move over the existing s3c64xx platform from the legacy plat-samsung/adc driver to the new exynos-adc. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: adc: add driver for Rockchip saradcHeiko Stübner
The ADC is a 3-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. It uses the supply and ground as its reference and converts the analog input signal into 10-bit binary digital codes. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07staging:iio:ad9852: Use devm_iio_device_registerHimangi Saraogi
This patch introduces the use of devm_iio_device_register and does away with the unregister in the remove function. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07staging: iio: ad9951: Use devm_iio_device_registerHimangi Saraogi
This patch introduces the use of devm_iio_device_register and does away with the unregister in the remove function. The remove function is no longer required and is completely removed. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: adc: Add TI ADC128S052Angelo Compagnucci
This patch adds support for ADC128S052 from TI. Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: accel: BMC150 accel documentationSrinivas Pandruvada
Added any-motion trigger documentation. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: accel: BMC150 accel supportSrinivas Pandruvada
This change implements BMC150 accelerometer driver. A BMC150 package consist of a compass and an accelerometer. This driver only implements accelerometer part. Spec downloaded from: http://ae-bst.resource.bosch.com/media/products/dokumente/bmc150/BST-BMC150-DS000-03.pdf This sensor chip supports many advanced features, but this driver implements minimum feature set which is a must to be useful. This driver can be enhanced incrementally. If the sensor vendor wants to update full featured version, they can substitute or enhance this driver when they get chance. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: accel: kxcjk-1013: Set adjustable rangeSrinivas Pandruvada
This chip can support 3 different ranges. Allowing range specification. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: accel: kxcjk-1013: support runtime pmSrinivas Pandruvada
In an effort to improve raw read performance and at the same time enter low power state at every possible chance. For raw reads, it will keep the system powered on for a default or user specified time, via autosuspend_delay attribute of device power. This will help read multiple samples without power on/off sequence. For triggers it will keep the system on till, requested to be turned off by trigger state by utilizing run time PM usage counters. When runtime pm is not enabled, then it keeps the chip in operation mode always. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07staging: iio: adis16060: Fix coding style problemOussama Jabbari
This patch fixes a warning from checkpatch.pl script : "WARNING: Missing a blank line after declarations" Signed-off-by: Oussama Jabbari <oussama.jabbari@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07iio: fix error return codeJulia Lawall
Convert a zero return value on error to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07staging: iio: accel: Add blank lines between declarations and codeMurilo Opsfelder Araujo
This patch adds missing blank lines between declarations and code and fixes lines starting by spaces, satisfying checkpatch.pl. Signed-off-by: Murilo Opsfelder Araujo <mopsfelder@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-07staging: iio: accel: sca3000_core.c: Adjust code to fit 80-chars limitMurilo Opsfelder Araujo
Signed-off-by: Murilo Opsfelder Araujo <mopsfelder@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-02staging: iio: adis16240: fix sparse warnings regarding incorrect argument typeTeodora Baluta
Silence the following sparse warnings by changing cast from u16 to __be16: CHECK drivers/staging/iio/accel/adis16240_core.c drivers/staging/iio/accel/adis16240_core.c:128:51: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/accel/adis16240_core.c:128:51: expected unsigned short [usertype] *val drivers/staging/iio/accel/adis16240_core.c:128:51: got signed short *<noident> drivers/staging/iio/accel/adis16240_core.c:142:51: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/accel/adis16240_core.c:142:51: expected unsigned short [usertype] *val drivers/staging/iio/accel/adis16240_core.c:142:51: got signed short *<noident> Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-02staging: iio: isl29018: fix sparse warning regarding incorrect type ↵Teodora Baluta
(different signedness) Fix the following sparse warning: drivers/staging/iio/light/isl29018.c:508:50: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/light/isl29018.c:508:50: expected unsigned int *conf_adc_bit drivers/staging/iio/light/isl29018.c:508:50: got int *<noident> Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-02staging: iio: hmc5843_core: fix sparse warningsTeodora Baluta
Fix the following sparse warnings: CHECK drivers/staging/iio/magnetometer/hmc5843_core.c drivers/staging/iio/magnetometer/hmc5843_core.c:138:70: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/magnetometer/hmc5843_core.c:138:70: expected unsigned int *val drivers/staging/iio/magnetometer/hmc5843_core.c:138:70: got int *<noident> drivers/staging/iio/magnetometer/hmc5843_core.c:215:64: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/magnetometer/hmc5843_core.c:215:64: expected unsigned int *val drivers/staging/iio/magnetometer/hmc5843_core.c:215:64: got int *<noident> drivers/staging/iio/magnetometer/hmc5843_core.c:354:72: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/magnetometer/hmc5843_core.c:354:72: expected unsigned int *val drivers/staging/iio/magnetometer/hmc5843_core.c:354:72: got int *<noident> drivers/staging/iio/magnetometer/hmc5843_core.c:362:72: warning: incorrect type in argument 3 (different signedness) drivers/staging/iio/magnetometer/hmc5843_core.c:362:72: expected unsigned int *val drivers/staging/iio/magnetometer/hmc5843_core.c:362:72: got int *<noident> Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-08-01iio: buffer: Coalesce adjacent demux table entriesLars-Peter Clausen
When copying multiple multiple samples that are adjacent in both the source as well as the destination buffer, instead of creating a new demux table entry for each sample just increase the length of the previous entry by the size of the new sample. This makes the demuxing process slightly more efficient. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-27iio: buffer: Use roundup() instead of open-coding itLars-Peter Clausen
Makes the code slightly shorter and a bit easier to understand. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-27staging: iio: ad5933: fix sparse warningsTeodora Baluta
Fix the following sparse warnings: CHECK drivers/staging/iio/impedance-analyzer/ad5933.c drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: warning: incorrect type in assignment (different base types) drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: expected unsigned int [unsigned] [usertype] d32 drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: got restricted __be32 [usertype] <noident> drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: warning: incorrect type in assignment (different base types) drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: expected unsigned short [unsigned] dat drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: got restricted __be16 [usertype] <noident> drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: warning: incorrect type in assignment (different base types) drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: expected unsigned short [unsigned] [addressable] dat drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: got restricted __be16 [usertype] <noident> drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: warning: cast to restricted __be32 drivers/staging/iio/impedance-analyzer/ad5933.c:446:21: warning: incorrect type in assignment (different base types) drivers/staging/iio/impedance-analyzer/ad5933.c:446:21: expected unsigned short [unsigned] dat drivers/staging/iio/impedance-analyzer/ad5933.c:446:21: got restricted __be16 [usertype] <noident> drivers/staging/iio/impedance-analyzer/ad5933.c:454:21: warning: incorrect type in assignment (different base types) drivers/staging/iio/impedance-analyzer/ad5933.c:454:21: expected unsigned short [unsigned] [addressable] dat drivers/staging/iio/impedance-analyzer/ad5933.c:454:21: got restricted __be16 [usertype] <noident> drivers/staging/iio/impedance-analyzer/ad5933.c:548:23: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:548:23: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:548:23: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:548:23: warning: cast to restricted __be16 Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-27iio: add support of the max5821Philippe Reynes
Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-27iio: hid-sensor-magn-3d: Fix build warningReyad Attiyat
Fix build warning, sizeof() called on dynamically sized pointer, by removing the call and the dependent function parameter. It is not needed or used in this driver, when pushing values to an iio buffer. Changes from v1 - Fix mistake in varible name Signed-off-by: Reyad Attiyat <reyad.attiyat@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-07-26staging: gdm724x: fix misplaced open bracesCihangir Akturk
This patch fixes the following checkpatch.pl issues in gdm_usb.c: ERROR: that open brace { should be on the previous line Signed-off-by: Cihangir Akturk <cakturk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-26staging: rtl8188eu: Fix static symbol sparse warningsJeff Oczek
Fix sparse warnings: drivers/staging/rtl8188eu/core/rtw_cmd.c:52:5: warning: symbol '_rtw_enqueue_cmd' was not declared. Should it be static? drivers/staging/rtl8188eu/core/rtw_wlan_util.c:1225:5: warning: symbol 'wifirate2_ratetbl_inx' was not declared. Should it be static? drivers/staging/rtl8188eu/hal/HalPhyRf_8188e.c:25:4: warning: symbol 'ODM_GetRightChnlPlaceforIQK' was not declared. Should it be static? drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3109:5: warning: symbol 'rtw_ioctl' was not declared. Should it be static? Signed-off-by: Jeff Oczek <jeffoczek@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: use test_bit to check flags statusMalcolm Priestley
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: Remove unused macro MP_TEST_FLAGSMalcolm Priestley
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: use clear_bit to remove device flagMalcolm Priestley
Replacing MP_CLEAR_FLAG Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: use set_bit to set flagsMalcolm Priestley
Replacing MP_SET_FLAG Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: struct vnt_private merge flag and macrosMalcolm Priestley
merge u32 flag into unsigned long Flags Replacing fMP_DISCONNECTED with DEVICE_FLAGS_DISCONNECTED Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: Remove unsed macro DEVICE_FLAGS_OPENEDMalcolm Priestley
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: remove macro MP_IS_READYMalcolm Priestley
Just test FLag and remove not. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: vt6656: Remove flags fMP_POST_READS and fMP_POST_WRITESMalcolm Priestley
MP_IS_READY(fMP_DISCONNECTED) is used to block thread in vnt_tx_context Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24Staging: vt6655: remove redundant comments from bssdb.hIgor Bezukh
Removed redundant comments from bssdb.h header file. Signed-off-by: Igor Bezukh <igbzkh@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24Staging: vt6655: remove redundant comments from baseband.hIgor Bezukh
Removed redundant comments in baseband.h header file. Signed-off-by: Igor Bezukh <igbzkh@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: unisys: ABI documentation for new sysfs entriesBenjamin Romer
This patch adds a documentation file for all of the interfaces that were moved to sysfs by the other patches in this set. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: unisys: clean up diagdump proc entry codeBenjamin Romer
Remove remnant code left over from the diagdump proc entry. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: unisys: move chipsetready to sysfsBenjamin Romer
Move the chipsetready proc entry to sysfs under a new directory guest. This entry is used by Unisys application software on the guest to acknowledge completion of specific events for integration purposes, but these acknowledgements are not required for the guest to operate correctly. The store function is simplified as well, to use scanf() instead of copying the buffer and using strsep(). Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: unisys: move installer to sysfs and split fieldsBenjamin Romer
The installer entry in /proc/visorchipset/installer was composed of three separate fields as one entry. This patch removes the proc entry and associated functions, and creates new fields with distinct entries under sysfs in the visorchipset/install directory. The fields are: textid: used to send the ID of a string that should be displayed on s-Par's automatic installation progress screen. Setting this field when not in installation mode (boottotool was set on the previous guest boot) has no effect. remaining_steps: used to set the value of the progress bar on the s-Par automatic installation progress screen. This field has no effect if not in installation mode. error: used to send the ID of a string that should be displayed on s-Par's automatic installation progress screen when an error is encountered during installation. This field has no effect if not in installation mode. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: et131x: Remove trailing semicolon from macros in et131x.hMasanari Iida
This patch removes trailing semicolon from macros within et131x.h Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: et131x: Fix typo in et131xMasanari Iida
This patch fix spelling typos in comments and printk within et131x. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: comedi: usbduxfast: adding missing break in case statementBernd Porr
Added a missing "break" which forced the board to acquire 16 channels even when only 3 had been requested. Thanks for Hartley Sweeten to spot this bug. Signed-off-by: Bernd Porr <mail@berndporr.me.uk> Reported-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: dgnc: Fix space required after that ','Seunghun Lee
This patch fixes checkpatch errors: "space required after that ','" Signed-off-by: Seunghun Lee <waydi1@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: lustre: obdclass: fix sparse warnings about static declarationAndrey Skvortsov
Signed-off-by: Andrey Skvortsov <Andrej.Skvortzov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: comedi: ni_65xx: disable edge detection on initializationIan Abbott
When the hardware is being initialized, the edge detection interrupts are cleared and disabled. Also disable edge detection for all channels at this time so they start off in a known state. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-24staging: comedi: ni_65xx: support INSN_CONFIG_DIGITAL_TRIGIan Abbott
The "edge detection interrupt" subdevice supports the `INSN_CONFIG_CHANGE_NOTIFY` comedi instruction which is only supported by one other driver. It is limited to the first 32 channels, but boards supported by this driver support edge detection on all digital I/O, digital input and digital output channels. The `INSN_CONFIG_DIGITAL_TRIG` comedi instruction is more flexible as it supports more than 32 channels (with multiple instructions). It can also support level detection, but the hardware does not support that. Add partial support for the `INSN_CONFIG_DIGITAL_TRIG` instruction, but only for edge detection. Since `INSN_CONFIG_CHANGE_NOTIFY` can only deal with 32 channels, make it disable edge detection for any remaining channels. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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