Commit b65d6212 authored by Michael Hennerich's avatar Michael Hennerich Committed by Greg Kroah-Hartman
Browse files

iio: core: introduce IIO_CHAN_INFO_HARDWAREGAIN 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Acked-by: default avatarJonathan Cameron <jic23@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 67eedba3

Documentation/ABI/testing/sysfs-bus-iio

+7 −0
Original line number Diff line number Diff line
@@ -280,6 +280,13 @@ Description: 
		If a discrete set of scale values are available, they

		are listed in this attribute.



What		/sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:

		Hardware applied gain factor. If shared across all channels,

		<type>_hardwaregain is used.



What:		/sys/.../in_accel_filter_low_pass_3db_frequency

What:		/sys/.../in_magn_filter_low_pass_3db_frequency

What:		/sys/.../in_anglvel_filter_low_pass_3db_frequency

drivers/iio/industrialio-core.c

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ static const char * const iio_chan_info_postfix[] = { 
	[IIO_CHAN_INFO_SAMP_FREQ] = "sampling_frequency",

	[IIO_CHAN_INFO_FREQUENCY] = "frequency",

	[IIO_CHAN_INFO_PHASE] = "phase",

	[IIO_CHAN_INFO_HARDWAREGAIN] = "hardwaregain",

};



const struct iio_chan_spec

include/linux/iio/iio.h

+5 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ enum iio_chan_info_enum { 
	IIO_CHAN_INFO_SAMP_FREQ,

	IIO_CHAN_INFO_FREQUENCY,

	IIO_CHAN_INFO_PHASE,

	IIO_CHAN_INFO_HARDWAREGAIN,

};



#define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2)
@@ -95,6 +96,10 @@ enum iio_chan_info_enum { 
	IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PHASE)

#define IIO_CHAN_INFO_PHASE_SHARED_BIT			\

	IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PHASE)

#define IIO_CHAN_INFO_HARDWAREGAIN_SEPARATE_BIT			\

	IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_HARDWAREGAIN)

#define IIO_CHAN_INFO_HARDWAREGAIN_SHARED_BIT			\

	IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_HARDWAREGAIN)



enum iio_endian {

	IIO_CPU,