Commit Graph

7 Commits

Author SHA1 Message Date
Angelo Compagnucci
9e128ced38 iio:adc:mcp3422 Fix incorrect scales table
This patch fixes uncorrect order of mcp3422_scales table, the values
was erroneously transposed.
It removes also an unused array and a wrong comment.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Cc: Stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-02-04 16:30:22 +00:00
Angelo Compagnucci
2816ac64ac Add support for Microchip Technology's MCP3426/7/8 ADC
This patch extends previous mcp3422 driver to support
missing members of the family, mcp3426/7/8.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-03-16 18:00:34 +00:00
Greg Kroah-Hartman
06749f192b Merge v3.13-rc2 into staging-next
we want these fixes in here.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-02 16:39:07 -08:00
Sachin Kamat
2842d4cc72 iio: adc: mcp3422: 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 21:07:12 +00:00
Peter Meerwald
a5a3e43111 iio: Fix sign extension table in mcp3422 driver
the index argument to sign_extend32() gives the bit position (from 0)
to the sign bit

so e.g. if the measurement has 16-bit resolution, we need to pass 15;
a measurement of 0x8000 should be reported as -32768, not 32768

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-11-05 22:45:25 +00:00
Sachin Kamat
de36d817b4 iio: adc: mcp3422: Include linux/of.h header
'of_match_ptr' is defined in linux/of.h. Include it explicitly to
avoid build breakage in the future.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-18 20:05:56 +01:00
Angelo Compagnucci
07914c84ba iio: adc: Add driver for Microchip MCP3422/3/4 high resolution ADC
Sysfs access to all channels.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-07 22:17:44 +01:00