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127 Commits

Author SHA1 Message Date
Philippe Reynes
4729889727 iio: add support of the max5821 
Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-07-27 14:21:35 +01:00
Sachin Kamat
10215d8689 iio: ad5686: Remove redundant variable 
‘regdone’ is not used in the function. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-07-03 21:59:56 +01:00
Sachin Kamat
0d3a9b2dad iio: ad5504: Remove redundant variable 
By re-arranging the code, 'ret' can be removed from this
function.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-07-03 21:58:26 +01:00
Sachin Kamat
15255c6b4d iio: ad5624r_spi: Remove redundant variable 
By re-arranging the code, 'ret' can be removed from this
function.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-07-03 21:56:35 +01:00
Michael Welling
1b791fadf3 iio: dac: mcp4902/mcp4912/mcp4922 dac driver 
This patch provides an iio device driver for the Microchip
MCP49x2 series DACs.

Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-06-21 11:50:33 +01:00
Peter Meerwald
a476bc02eb iio:adc:ad5504: Use BIT() and GENMASK() macros 
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-06-14 15:48:24 +01:00
Peter Meerwald
ff96bf519a iio:adc:ad5791: Use BIT() and GENMASK() macros 
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-06-14 15:44:01 +01:00
Dan Carpenter
a04cf55a52 iio: dac: ad7303: remove an unneeded check 
"ret" is zero here.  There is no need to check again.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-02-03 21:44:42 +00:00
Paul Gortmaker
36eb8cc2ce iio: delete non-required instances of include <linux/init.h> 
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2014-01-11 11:59:00 +00:00
Jonathan Cameron
cb4417f9db iio:dac:mcp4725 drop specification of scan type as unused in this driver. 
IIO_ST is going away as it is a pain to maintain so the simplest path with
this driver is to not specify the unused scan type.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:08:19 +00:00
Jonathan Cameron
5247362453 iio:dac:max517 drop specification of scan type as unused in this driver. 
IIO_ST is going away as it is a pain to maintain so the simplest path with
this driver is to not specify the unused scan type.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:07:37 +00:00
Jonathan Cameron
cb9d90f1e3 iio:dac:ad5791 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:06:57 +00:00
Jonathan Cameron
560101de92 iio:dac:ad5764 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:05:53 +00:00
Jonathan Cameron
64665dd373 iio:dac:ad5755 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:04:47 +00:00
Jonathan Cameron
44ba1593ac iio:dac:ad5686 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:03:52 +00:00
Jonathan Cameron
4974600bbf iio:dac:ad5624r replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:02:46 +00:00
Jonathan Cameron
73d3a77583 iio:dac:ad5504 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:01:58 +00:00
Jonathan Cameron
3d42e148e3 iio:dac:ad5449 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:00:46 +00:00
Jonathan Cameron
e3019c21de iio:dac:ad5446 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 21:00:09 +00:00
Jonathan Cameron
49f8289795 iio:dac:ad5421 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 20:59:39 +00:00
Jonathan Cameron
da9b1a2170 iio:dac:ad5380 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 20:58:34 +00:00
Jonathan Cameron
c865b537e9 iio:dac:ad5360 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 20:57:31 +00:00
Jonathan Cameron
81d49bc622 iio:dac:ad5064 replaces IIO_ST macro with explicit entries to struct scan_type 
IIO_ST is going away as it is a pain to maintain.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
 2013-12-17 20:56:33 +00:00
Lars-Peter Clausen
cb955852a4 iio: Remove support for the legacy event config interface 
Now that all drivers have been converted to the new event config interface we
can remove for the legacy event config interface. Also drop the '_new' suffix
for the event config interface callbacks, since those are the only callbacks
now.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-08 13:13:52 +00:00
Lars-Peter Clausen
791bb52a0c iio:ad5791: Do not store transfer buffers on the stack 
Some SPI controllers may not be able to handle transfer buffers that are placed
on the stack.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:26 +00:00
Lars-Peter Clausen
ae8bb9b101 iio:ad5791: Mark transfer buffers as __be32 
Fixes the following warnings from sparse:
	drivers/iio/dac/ad5791.c:114:18: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5791.c:114:18:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5791.c:114:18:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5791.c:142:21: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5791.c:142:21:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5791.c:142:21:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5791.c:144:21: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5791.c:144:21:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5791.c:144:21:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5791.c:148:16: warning: cast to restricted __be32

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:26 +00:00
Lars-Peter Clausen
edc05f2614 iio:ad5755: Mark transfer buffer as __be32 
Fixes the following warnings from sparse:
	drivers/iio/dac/ad5755.c:117:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5755.c:117:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5755.c:117:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5755.c:171:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5755.c:171:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5755.c:171:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5755.c:172:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5755.c:172:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5755.c:172:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5755.c:176:23: warning: cast to restricted __be32

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:26 +00:00
Lars-Peter Clausen
cf87534b6f iio:ad5686: Mark transfer buffer as __be32 
Fixes the following warnings from sparse:
	drivers/iio/dac/ad5686.c:100:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5686.c:100:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5686.c:100:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5686.c:122:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5686.c:122:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5686.c:122:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5686.c:124:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5686.c:124:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5686.c:124:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32
	drivers/iio/dac/ad5686.c:130:16: warning: cast to restricted __be32

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:26 +00:00
Lars-Peter Clausen
8ef411b78b iio:ad5421: Mark transfer buffer as __be32 
Fixes the following warnings from sparse:
	drivers/iio/dac/ad5421.c:134:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5421.c:134:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5421.c:134:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5421.c:168:25: warning: incorrect type in assignment (different base types)
	drivers/iio/dac/ad5421.c:168:25:    expected unsigned int [unsigned] [usertype] d32
	drivers/iio/dac/ad5421.c:168:25:    got restricted __be32 [usertype] <noident>
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32
	drivers/iio/dac/ad5421.c:172:23: warning: cast to restricted __be32

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:25 +00:00
Lars-Peter Clausen
0dbe59c7a7 iio:ad5504: Do not store transfer buffers on the stack 
Some SPI controllers may not be able to handle transfer buffers that are placed
on the stack.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:25 +00:00
Lars-Peter Clausen
61c358e3bc iio:ad5504: Mark transfer buffers as __be16 
Fixes the following warnings from sparse:
	drivers/iio/dac/ad5504.c:71:19: warning: incorrect type in initializer (different base types)
	drivers/iio/dac/ad5504.c:71:19:    expected unsigned short [unsigned] [usertype] tmp
	drivers/iio/dac/ad5504.c:71:19:    got restricted __be16 [usertype] <noident>
	drivers/iio/dac/ad5504.c:80:19: warning: incorrect type in initializer (different base types)
	drivers/iio/dac/ad5504.c:80:19:    expected unsigned short [unsigned] [usertype] tmp
	drivers/iio/dac/ad5504.c:80:19:    got restricted __be16 [usertype] <noident>
	drivers/iio/dac/ad5504.c:93:16: warning: cast to restricted __be16
	drivers/iio/dac/ad5504.c:93:16: warning: cast to restricted __be16
	drivers/iio/dac/ad5504.c:93:16: warning: cast to restricted __be16
	drivers/iio/dac/ad5504.c:93:16: warning: cast to restricted __be16

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-12-03 20:22:25 +00:00
Sachin Kamat
1baeec9c37 iio: dac: ad5755: Use devm_iio_device_register 
devm_iio_device_register simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-11-24 21:07:17 +00:00
Sachin Kamat
365736e77c iio: dac: ad5421: Use devm_iio_device_register 
devm_iio_device_register simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-11-24 21:07:16 +00:00
Sachin Kamat
a9b6851100 iio: dac: mcp4725: Remove redundant code 
Remove an inconsequential print message and return directly
thereby cleaning up some code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-24 14:47:49 +01:00
Sachin Kamat
345d4f92e7 iio: dac: max517: Remove redundant variable 
Remove an inconsequential print message and return directly
thereby eliminating an intermediate variable.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-24 14:47:15 +01:00
Sachin Kamat
e2f5543a73 iio: dac: ad5755: Remove redundant code 
The if check is redundant as the value obtained from
iio_device_register() is already in the required format.
Error messages are already printed by iio_device_register();
hence not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-24 14:46:33 +01:00
Sachin Kamat
35b9c0b18e iio: dac: ad5421: Remove redundant code 
The if check is redundant as the value obtained from
iio_device_register() is already in the required format.
Hence return the function directly. Error messages are already
printed by iio_device_register(); hence not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-24 14:46:00 +01:00
Lars-Peter Clausen
1eefd62b63 iio:ad5421: Switch to new event config interface 
Switch the ad5421 driver to the new IIO event config interface as the old one
is going to be removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-12 12:35:05 +01:00
Lars-Peter Clausen
66a1891642 iio:ad5449: Use spi_sync_transfer() 
Use the spi_sync_transfer() helper function instead of open-coding it. Makes
the code a bit shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-05 11:58:19 +01:00
Lars-Peter Clausen
b117f96f49 iio:mcp4725: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:11 +01:00
Lars-Peter Clausen
998f129c76 iio:max517: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:11 +01:00
Lars-Peter Clausen
213983cd32 iio:ad5791: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:11 +01:00
Lars-Peter Clausen
3f83dae884 iio:ad5764: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Also fix a off by one error in the comment describing the transfer function.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:11 +01:00
Lars-Peter Clausen
ae76751f67 iio:ad5755: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:10 +01:00
Lars-Peter Clausen
ecc7e948bc iio:ad5686: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:10 +01:00
Lars-Peter Clausen
14229e87a9 iio:ad5624r: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:10 +01:00
Lars-Peter Clausen
54ea14339d iio:ad5504: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:09 +01:00
Lars-Peter Clausen
0a99b60143 iio:ad5446: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:09 +01:00
Lars-Peter Clausen
bc7c49bc77 iio:ad5421: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:09 +01:00
Lars-Peter Clausen
4f2c188597 iio:ad5380: Report scale as fractional value 
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2013-10-01 16:19:09 +01:00