Commit Graph

482312 Commits

Author SHA1 Message Date
Malcolm Priestley
2ee1ad7b32 staging: vt6655: device_set_options remove dead variables
uConnectionRate
wRTSThreshold
byOpMode
b11hEnable
uChannel

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:14 -08:00
Malcolm Priestley
3d42d26c83 staging: vt6655: baseband.c/h remove dead functions
These functions are not used so remove them
BBbIsRegBitsOn
BBbIsRegBitsOff
BBvReadAllRegs
BBvLoopbackOn
BBvLoopbackOff

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:14 -08:00
Malcolm Priestley
bfa4b0febd staging: vt6655: device_init_registers remove uConnectionRate
The device starts up with a default rate of 54M

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:14 -08:00
Malcolm Priestley
ac875c17a1 staging: vt6655: device_set_options remove unused ethernet addresses
Removing these variables
abyBroadcastAddr
abySNAP_RFC1042
abySNAP_Bridgetunnel

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Malcolm Priestley
1b8e512b41 staging: vt6655: device_get_options remove unused device parameters
IP_byte_align
Channel
PreambleType
RTSThreshold
ConnectionRate
OPMode
b80211hEnable

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Malcolm Priestley
b1c4133657 staging: vt6655: remove fragmentation from driver
fragmentation is now handled by mac80211.

Remove functions
device_alloc_frag_buf
device_init_defrag_cb
device_free_frag_buf

Removing
typedef struct tagSDeFragControlBlock
frag_thresh
sRxDFCB
cbDFCB;
cbFreeDFCB;
uCurrentDFCBIdx;

macros
FRAG_THRESH_MIN
FRAG_THRESH_MAX

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Malcolm Priestley
87299d4c06 staging: vt6655: mac.c and mac.h remove dead functions.
MACvReadAllRegs
MACbyReadMultiAddr
MACvWriteMultiAddr
MACvSetMultiAddrByHash
MACvResetMultiAddrByHash
MACvSetRxThreshold
MACvGetRxThreshold
MACvSetTxThreshold
MACvGetTxThreshold
MACvSetDmaLength
MACvGetDmaLength
MACvGetLongRetryLimit
MACbIsInLoopbackMode
MACbCompareContext
MACvOneShotTimer0MicroSec
MACbTxDMAOff
MACvClearBusSusInd
MACvEnableBusSusEn
MACbFlushSYNCFifo
MACvSetDefaultKeyEntry
MACvEnableDefaultKey
MACvDisableDefaultKey
MACvSetDefaultTKIPKeyEntry
MACvSetDefaultKeyCtl

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Malcolm Priestley
6b5db44ecd staging: vt6655: mac.c/h remove member type comments
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Malcolm Priestley
5116d9fcf1 staging: vt6655: mac remove dead variable TxRate_iwconfig
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:49:13 -08:00
Benjamin Romer
1d87ba3bcc staging: unisys: remove unused functions from uislib.c
Delete uislib_client_add_vnic() and uislib_client_delete_vnic(), since these
are never used.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:53:04 -08:00
Ken Depro
ca68b110a2 staging: unisys: Remove extra blank lines from virthba files
This patch removes extra blank lines from the virthba header and source
files.  This is the first of a set of patches that will clean up the
virthba source file.  The only checkpatch issue in the header file was
the blank line warnings.

Signed-off-by: Ken Depro <kenneth.depro@unisys.com>
Signed-off-by: Ben Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:52:17 -08:00
Bryan Thompson
8f846b5163 staging: unisys: virtpci: Remove GET_BUS_DEV macro
The GET_BUS_DEV macro contained flow control statements that are undesirable.
This patch removes the macro and places the code in each function.

Signed-off-by: Bryan Thompson <bryan.thompson@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:52:17 -08:00
Benjamin Romer
2291b26874 staging: unisys: refactor visorutil_mod_init()
Fix the function name declaration so it is just one line, and add the missing
brackets to the else clause in the if statement.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:50 -08:00
Benjamin Romer
670db786db staging: unisys: refactor visorutil_spar_detect()
Fix the declaration line so it is just one single line, and add the missing
brackets on the else clause in the if statement.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:50 -08:00
Benjamin Romer
5d2c3960b2 staging: unisys: fix spacing in visorkmodutils.c
Remove all the extraneous blank lines from visorkmodutils.c.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:50 -08:00
Benjamin Romer
f0b5c6d353 staging: unisys: fix bracketing in visor_periodic_work_stop()
The last if statement in this function is missing brackets on the else
clause. Add them.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
622c9d97c1 staging: unisys: fix spacing in periodic_work.c
Get rid of all extraneous blank lines in periodic_work.c.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
6db05d3f9a staging: unisys: fix sizeof() in visor_memregion_create_overlapped()
Use the variable name rather than the type in the sizeof() call in this
function.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
92d00cf0f5 staging: unisys: fix line over 80 characters in mapit()
The error output in mapit() in memregion_direct.c has variables past the 80
character limit. Move them to the next line, but the string constant will still
go past the limit, and that's okay.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
ab2cded1bc staging: unisys: remove extra blank lines in memregion_direct.c
Get rid of the extra blank lines in this file.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
49695a534a staging: unisys: remove unnecessary spaces in casts in memregion_direct.c
Get rid of all extra spaces between casts and their targets in this file.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
fef483891d staging: unisys: refactor visor_memregion_create()
Fix the sizeof() so it uses the variable name rather than the type, fix the
argument alignment to the kzalloc(), and rename the goto label.

Away => cleanup

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
b63438c4e3 staging: unisys: remove typedef for MEMREGION
Remove the typedef for this structure and just use struct memregion instead.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
7146250754 staging: unisys: split double assignment in visor_charqueue_create()
Split up the doubled assignment in visor_charqueue_create() into two separate
assignments.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
7a81a6e87e staging: unisys: refactor CHARQUEUE
Remove the typedef and just use struct charqueue instead. Update all references.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Benjamin Romer
20188dd914 staging: unisys: fix line spacing in charqueue.c
Clean up the extraneous blank lines in charqueue.c.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 11:50:49 -08:00
Greg Kroah-Hartman
be61a0d784 First round of new drivers, features and cleanups for IIO in the 3.19 cycle.
New drivers / supported parts
 * rockchip - rk3066-tsadc variant
 * si7020 humidity and temperature sensor
 * mcp320x - add mcp3001, mcp3002, mcp3004, mcp3008, mcp3201, mcp3202
 * bmp280 pressure and temperature sensor
 * Qualcomm SPMI PMIC current ADC driver
 * Exynos_adc - support exynos7
 
 New features
 * vf610-adc - add temperature sensor support
 * Documentation of current attributes, scaled pressure, offset and
   scaled humidity, RGBC intensity gain factor and scale applied to
   differential voltage channels.
 * Bring iio_event_monitor up to date with newer modifiers.
 * Add of_xlate function to allow for complex channel mappings from the
   device tree.
 * Add -g parameter to generic_buffer example to allow for devices with
   directly fed (no trigger) buffers.
 * Move exynos driver over to syscon for PMU register access.
 
 Cleanups, fixes for new drivers
 * lis3l02dq drop an unneeded else.
 * st sensors - renam st_sensors to st_sensor_settings (for clarity)
 * st sensors - drop an unused parameter from all the probe utility
   functions.
 * vf610 better error handling and tidy up.
 * si7020 - cleanups following merge
 * as3935 - drop some unnecessary semicolons.
 * bmp280 - fix the pressure calculation.
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Merge tag 'iio-for-3.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of new drivers, features and cleanups for IIO in the 3.19 cycle.

New drivers / supported parts
* rockchip - rk3066-tsadc variant
* si7020 humidity and temperature sensor
* mcp320x - add mcp3001, mcp3002, mcp3004, mcp3008, mcp3201, mcp3202
* bmp280 pressure and temperature sensor
* Qualcomm SPMI PMIC current ADC driver
* Exynos_adc - support exynos7

New features
* vf610-adc - add temperature sensor support
* Documentation of current attributes, scaled pressure, offset and
  scaled humidity, RGBC intensity gain factor and scale applied to
  differential voltage channels.
* Bring iio_event_monitor up to date with newer modifiers.
* Add of_xlate function to allow for complex channel mappings from the
  device tree.
* Add -g parameter to generic_buffer example to allow for devices with
  directly fed (no trigger) buffers.
* Move exynos driver over to syscon for PMU register access.

Cleanups, fixes for new drivers
* lis3l02dq drop an unneeded else.
* st sensors - renam st_sensors to st_sensor_settings (for clarity)
* st sensors - drop an unused parameter from all the probe utility
  functions.
* vf610 better error handling and tidy up.
* si7020 - cleanups following merge
* as3935 - drop some unnecessary semicolons.
* bmp280 - fix the pressure calculation.
2014-11-05 11:42:48 -08:00
Darshana Padmadas
4e4cd14e7c iio: Add ABI documentation for scaled voltage
This patch adds an entry in ABI documentation for in_voltage-voltage_scale.
It has at least one user driver, adis16220, in accel driver.

Signed-off-by: Darshana Padmadas <darshanapadmadas@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 18:27:11 +00:00
Hartmut Knaack
81ebe850a0 iio:pressure:bmp280: fix pressure calculation
According to the datasheet and as defined in struct bmp280_comp_press, dig_p1 is
of type u16, while dig_p2 to dig_p9 are of type s16. In
bmp280_read_compensation_press(), values read from the device were treated as
the wrong type.
In bmp280_read_press() the fractional part of the measured pressure is
calculated wrong. A better way is to use *val for the raw pressure and *val2 for
the quotient and let the core do the proper conversion using IIO_VAL_FRACTIONAL.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 15:58:35 +00:00
Abhilash Kesavan
c1b501564c iio: adc: exynos_adc: Add support for exynos7
The ADC on exynos7 is quite similar to ADCv2. The differences are as
follows:
	- exynos7-adc has 8 input channels (as against 10 in ADCv2).
	- exynos7 does not include an ADC PHY control register.
	- Some ADC_CON2 register bits being used in ADCv2 are listed as
	  reserved in exynos7-adc. This results in a different init_hw
	  function for exynos7.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 15:38:25 +00:00
Naveen Krishna Chatradhi
db9bf4d657 ARM: dts: exynos: Add sysreg phandle to ADC node
Instead of using the ADC_PHY register base address, use sysreg phandle
in ADC node to control ADC_PHY configuration register.

This patch adds syscon node for Exynos3250, Exynos4x12, Exynos5250,
and Exynos5420, Exynos5800.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
To: linux-samsung-soc@vger.kernel.org
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 15:30:32 +00:00
Naveen Krishna Chatradhi
b626c8f0d9 Documentation: dt-bindings: update exynos-adc.txt with syscon handle
This patch updates the DT bindings for ADC in exynos-adc.txt with the
syscon phandle to the ADC nodes.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
To: devicetree@vger.kernel.org
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 15:30:16 +00:00
Naveen Krishna Chatradhi
fafb37cfae iio: exyno-adc: use syscon for PMU register access
This patch updates the IIO based ADC driver to use syscon and regmap
APIs to access and use PMU registers instead of remapping the PMU
registers in the driver.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
To: linux-iio@vger.kernel.org
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 15:30:09 +00:00
Karol Wrona
b6d5be5702 staging: iio: Add notrigger mode for generic_buffer
Some IIO devices do not use the triggers. This patch makes trigger setting
conditional so generic_buffer can be used when triggers are disabled.

Signed-off-by: Karol Wrona <k.wrona@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 14:45:18 +00:00
George McCollister
455f0049e0 iio: as3935: Remove unnecessary semicolons
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-11-05 13:47:42 +00:00
Jia He
7be921a226 staging: rtl8188eu: Fix coding style space related ERROR problems
This fixes space related ERROR reports by checkpatch.pl
Generated by $ git ls-files "drivers/staging/rtl8188eu/*.[ch]" | \
  xargs ./scripts/checkpatch.pl -f --fix-inplace --strict --types=SPACING
Already checked by text comparasion
$git diff -w
and binary comparasion of r8188eu.ko
$objdiff diff <old_commit> <new_commit>

Signed-off-by: Jia He <hejianet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 18:13:34 -08:00
Joe Perches
b5d8204d00 staging: ft1000: Logging message neatening
Use a more common logging style.

o Convert DEBUG macros to pr_debug
o Add pr_fmt
o Remove embedded function names from pr_debug
o Convert printks to pr_<level>
o Coalesce formats and align arguments
o Add missing terminating newlines

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:36:35 -08:00
Joe Perches
ecdd21c7b9 staging: ft1000: Whitespace neatening
Use normal kernel style, indentation and alignment.

git diff -w shows no difference

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:35:32 -08:00
Rickard Strandqvist
4884434c03 staging: comedi: drivers: comedi_bond.c: Remove unneeded #define
Remove unneeded #define. This was previously included in a patch set
two but patchset one was taken by mistake.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:18 -08:00
H Hartley Sweeten
26561101b8 staging: comedi: ni_at_a2150: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:18 -08:00
H Hartley Sweeten
14f7b68058 staging: comedi: hwdrv_apci3120: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:18 -08:00
H Hartley Sweeten
287a143ab4 staging: comedi: adl_pci9111: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:18 -08:00
H Hartley Sweeten
1d3d32a752 staging: comedi: adl_pci9118: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:18 -08:00
H Hartley Sweeten
b7f9eb0549 staging: comedi: adv_pci1710: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:17 -08:00
H Hartley Sweeten
bd508fffda staging: comedi: das16: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:17 -08:00
H Hartley Sweeten
5035a96f36 staging: comedi: das1800: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:17 -08:00
H Hartley Sweeten
836b571df7 staging: comedi: ni_mio_common: use sample manipulation helpers
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:17 -08:00
H Hartley Sweeten
c39e050d21 staging: comedi: remove use of 'bytes_per_sample()'
This inline helper function has been replaced with comedi_bytes_per_sample().
The same commit (bf33eb4b4f) introduced a couple other related helper
functions a manipulate the sample size.

Use the new helper functions to remove the use of 'bytes_per_sample()' and
remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:34:17 -08:00
H Hartley Sweeten
272fe8f51f staging: comedi: amplc_pci230: remove private data 'ai_scan_pos'
This member of the private data is replicating what the comedi_async
'cur_chan' member is used for. Use that instead and remove the private
data member.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:31:24 -08:00
H Hartley Sweeten
f8736ca466 staging: comedi: drivers: move comedi_async 'cur_chan' tracking into the core
The commedi_async 'cur_chan' member is used to track the current position
in the chanlist for a scan. Currently only a couple comedi drivers use
this member.

For aeshtetics, move the 'cur_chan' tracking into the core for non-SDF_PACKED
subdevices. The 'cur_chan' will be updated after reading or writing samples
to the async buffer by comedi_inc_scan_progress(). All non-SDF_PACKED subdevices
will then automatiaclly track the 'cur_chan'.

Some of the drivers use the 'cur_chan' to detect the end of scan event when
counting scans. The COMEDI_CB_EOS event is automatically added by the core
when the end of scan is detected. The drivers just need to check if the
'cur_chan' is 0 to count the number of scans completed.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 16:31:24 -08:00