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88bc30548aae18a39fd5d35cbb160a1ea347b4a7
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Author SHA1 Message Date
Michael Hennerich
88bc30548a IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC 
New driver for AD7792/AD7793 3-Channel, Low Noise,
Low Power, 16-/24-Bit Sigma-Delta ADC with On-Chip In-Amp
and Reference.

The AD7792/AD7793 features a dual use data out ready DOUT/RDY output.
In order to avoid contentions on the SPI bus, it's necessary to use
spi bus locking. The DOUT/RDY output must also be wired to an
interrupt capable GPIO.

In INDIO_RING_TRIGGERED mode, this driver may block its SPI bus segment
for an extended period of time.

Changes since V1:

Use bool where applicable.
Use data buffer that lives in their own cache line.
Restructure ad7793_calibrate_all to use an array.
Use msleep.
Query REG_ID instead of doing a write/read This is a test.
Add support for unipolar mode.
Drop range attribute in favor of write scale.
Add proper locking.
Use new validate_trigger callbacks.
Use IIO_IN_DIFF for differential channels.
Change attribute naming.
Use available_scan_masks.
Some other miscellaneous cleanup (none functional changes).

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:47:25 -07:00
anish kumar
3fd47d4486 staging:iio:accel:kxsd9 replace kmallocs in power_up with use of already allocated buffer. 
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:52 -07:00
anish
d5614701df staging: IIO corrected the spelling in iio-trig-gpio 
Corrected the spelling.

Signed-off-by: anish kumar <anish198519851985@gmail.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:52 -07:00
Jonathan Cameron
d31907f343 staging:iio:accel:adis16201 general cleanup, move to iio_priv and buffers in adis16201_state 
Basically use various new facilities to tidy up.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:52 -07:00
Jonathan Cameron
927afbec71 staging:iio:light:isl29018: allocate device state with iio_dev 
V2: Actually allocate the space for iio_priv

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:51 -07:00
Jonathan Cameron
88fa4de48e staging:iio:magnetometer:hmc5843: allocate device state with iio_dev. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:51 -07:00
Jonathan Cameron
afc2ff0afa staging:iio:meter:ade7759: allocate state with iio_dev 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:51 -07:00
Jonathan Cameron
338473c819 staging:iio:magnetometer:ak8975: allocate chip state with iio_dev. 
Here the ordering is a little tricky, so to keep changes minimal, a copy of the gpio
number is introduced.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:51 -07:00
Jonathan Cameron
58f08b0af8 staging:iio:resolver:ad2s90 general cleanup 
Very simple driver, so not much to do.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:50 -07:00
Jonathan Cameron
8f2bd8363f staging:iio:resolver:ad2s120x cleanup. 
I've currently squashed the vel + pos combined attribute.  If people need them
precisely paired I doubt they will get them from the sysfs interface anyway.
If that is a requirement it should come via a buffer implementation.

Note this patch leaves the completely non standard interface alone.
That will get fixed later.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:50 -07:00
Jonathan Cameron
b19e9ad5e2 staging:iio:resolver:ad2s1210 general driver cleanup. 
Note I haven't made any changes to the userspace interface as yet.
This is all about cleaning up what was actually there (handling
all errors etc).

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:49 -07:00
Jonathan Cameron
937a960121 staging:iio:meter:ade7854: Allocate buffers in state and state with iio_dev. 
Requires moving a few things around, but should be no functional changes.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:49 -07:00
Jonathan Cameron
57157d1c0e staging:iio:meter:ade7754: allocate state with iio_dev and buffers in state. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:48 -07:00
Jonathan Cameron
bfccd4fb9a staging:iio:meter:ade7753 allocate chip state with iio_dev; allocate buffers within state 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:48 -07:00
Jonathan Cameron
ba61bb18c2 staging:iio:gyro:adxrs450: allocate chip state with iio_dev 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:48 -07:00
Jonathan Cameron
d088ab8388 staging:iio:gyro:adis16260: allocate chip state with iio_dev and use iio_priv to access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:47 -07:00
Jonathan Cameron
9f8632d73e staging:iio:gyro:adis16130: allocate chip state with iio_dev and use iio_priv to access it. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:47 -07:00
Jonathan Cameron
1dd9290a7e staging:iio:gyro:adis16080: allocate chip state with iio_dev 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:47 -07:00
Jonathan Cameron
3a5952f97a staging:iio:gyro:adis16060 allocate chip state with iio_dev. 
This is still a very odd driver.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:47 -07:00
Jonathan Cameron
3e772581c2 staging:iio:dds:ad9951: allocate chip state with iio_dev 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:46 -07:00
Jonathan Cameron
fb565f132b staging:iio:dds:ad9910: allocate chip state with iio_dev 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:46 -07:00
Jonathan Cameron
a28299114b staging:iio:dds:ad9810: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:46 -07:00
Jonathan Cameron
7be94372ca staging:iio:dds:ad9850 allocate chip state with iio_dev + fix name of attr group. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:45 -07:00
Jonathan Cameron
8b7163a5f6 staging:iio:ad9834: allocate chip state with iio_dev and use iio_priv to access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:45 -07:00
Jonathan Cameron
39f3b32eb3 staging:iio:dds:ad9832: allocate chip state with iio_dev and use iio_priv to access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:45 -07:00
Jonathan Cameron
7074e1d44f staging:iio:dds:ad5930 Fix attr group location + allocate state with iio_dev 
The main attribute group was placed under driver name for some reason.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:44 -07:00
Jonathan Cameron
cada11fa20 staging:iio:dac:max517: allocate chip state with iio_dev and use iio_priv to access it. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:44 -07:00
Jonathan Cameron
f5730d52ba staging:iio:dac:ad5791: allocate chip state with iio_dev and use iio_priv for access. 
Slightly fiddly case with two regulators - could reorder, but this is the approach with
smallest likely impact.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:43 -07:00
Jonathan Cameron
86729fc46f staging:iio:dac:ad5446: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:43 -07:00
Jonathan Cameron
a3684ded4f staging:iio:dac:ad5504: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:43 -07:00
Jonathan Cameron
3ff242055b staging:iio:dac:ad5624r: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:42 -07:00
Jonathan Cameron
d3de2935b6 staging:iio:adc:adt7410 allocate chip state with iio_dev and use iio_priv to access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:42 -07:00
Jonathan Cameron
70be42919a staging:iio:addac:adt7316: allocate chip state with iio_dev and use iio_priv to access. 
Various minor cleanups needed to deal with removal of iio_dev pointer from chip state.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:42 -07:00
Jonathan Cameron
7978f9f8f9 staging:iio:adc:adt7310: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:41 -07:00
Jonathan Cameron
84e8d84d0f staging:iio:adc:adt75: allocate chip state with iio_dev and cleanup some function calls. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:41 -07:00
Jonathan Cameron
b0011d6dba staging:iio:adc:ad7816: allocate chip state with iio_dev and use iio_priv to access. 
Again, get rid of unwanted iio_dev pointer in state.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:41 -07:00
Jonathan Cameron
febafb94d6 staging:iio:adc:ad7745 allocate chip state with iio_dev and use iio_priv to access. 
Also remove the iio_dev pointer from chip state as never needed.

V2: Actually allocate the space for iio_priv data.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:40 -07:00
Jonathan Cameron
744e4a6b85 staging:iio:adc:ad7314 allocate chip state with iio_dev and use iio_priv to access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:39 -07:00
Jonathan Cameron
d439797281 staging:iio:adc:ad7291: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:39 -07:00
Jonathan Cameron
f4c794a2c1 staging:iio:adc:ad7152: allocate chip state with iio_dev and use iio_priv for access. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:38 -07:00
Jonathan Cameron
46a6af3820 staging:iio:adc:ad7150: allocate chip state with iio_dev and use iio_priv to access. 
V2 - actually allocate some space for the iio_priv data.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:38 -07:00
Jonathan Cameron
d8aea29b62 staging:iio:adc:ad799x clear out last few uses of iio_dev->dev_data. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:37 -07:00
Jonathan Cameron
f490f42bdf staging:iio:adc:ad7887 clear out last few uses of iio_dev->dev_data. 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:37 -07:00
Jonathan Cameron
67688105af staging:iio:adc:ad7476 allocate state with iio_dev and use iio_priv to access. 
Reg handling is a little fiddly given the ordering of calls.

All part of getting rid of iio_dev->dev_data

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:37 -07:00
Jonathan Cameron
ed0c012b85 staging:iio:accel:kxsd9: allocate state with iio_dev and use iio_priv to access. 
V2: Actually allocate the storage.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:36 -07:00
Jonathan Cameron
83f0422dc6 staging:iio:accel:sca3000: allocate state in iio_dev and use iio_priv to access. 
Mechanical change.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:36 -07:00
Jonathan Cameron
01a6721600 staging:iio:accel:adis16220 allocate tx and rx in state plus state via iio_priv 
Few other misc cleanups.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:35 -07:00
Jonathan Cameron
a22ff7066c staging:iio:accel:adis16240 allocate tx and rx in state plus state via iio_priv 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:35 -07:00
Jonathan Cameron
35212dfa6b staging:iio:accel:adis16209 allocate tx and rx in state plus state via iio_priv 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:35 -07:00
Jonathan Cameron
4de66bbb3e staging:iio:accel:adis16204 allocate tx and rx in state plus state via iio_priv 
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-06-28 14:39:35 -07:00