linux-kernel - RE: [PATCH 1/1] iio: ak8975: Add Ak8975 magnetometer sensor

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Date:	Mon, 6 Sep 2010 13:47:18 +0530
From:	"Datta, Shubhrajyoti" <shubhrajyoti@...com>
To:	"achew@...dia.com" <achew@...dia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
CC:	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"khali@...ux-fr.org" <khali@...ux-fr.org>,
	"ldewangan@...dia.com" <ldewangan@...dia.com>
Subject: RE: [PATCH 1/1] iio: ak8975: Add Ak8975 magnetometer sensor



> -----Original Message-----
> From: linux-iio-owner@...r.kernel.org [mailto:linux-iio-
> owner@...r.kernel.org] On Behalf Of achew@...dia.com
> Sent: Friday, September 03, 2010 5:11 AM
> To: linux-kernel@...r.kernel.org; linux-iio@...r.kernel.org; linux-
> i2c@...r.kernel.org
> Cc: akpm@...ux-foundation.org; khali@...ux-fr.org; ldewangan@...dia.com;
> Andrew Chew
> Subject: [PATCH 1/1] iio: ak8975: Add Ak8975 magnetometer sensor
> 
> From: Andrew Chew <achew@...dia.com>
> 
> This is for the Asahi Kasei AK8975 3-axis magnetometer.  It resides within
> the magnetometer section of the IIO subsystem, and implements the raw
> magn_x,y,z attributes, as well as x,y,z factory calibration attributes.
> 
Could you help me with the datasheet details.
> Signed-off-by: Andrew Chew <achew@...dia.com>
> ---
>  drivers/staging/iio/magnetometer/Kconfig  |   11 +
>  drivers/staging/iio/magnetometer/Makefile |    1 +
>  drivers/staging/iio/magnetometer/ak8975.c |  521
> +++++++++++++++++++++++++++++
>  3 files changed, 533 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/staging/iio/magnetometer/ak8975.c
> 
> diff --git a/drivers/staging/iio/magnetometer/Kconfig
> b/drivers/staging/iio/magnetometer/Kconfig
> index d014450..00e1204 100644
> --- a/drivers/staging/iio/magnetometer/Kconfig
> +++ b/drivers/staging/iio/magnetometer/Kconfig
> @@ -3,6 +3,17 @@
>  #
>  comment "Magnetometer sensors"
> 
> +config SENSORS_AK8975
> +	tristate "Asahi Kasei AK8975 3-Axis Magnetometer"
> +	default n
Default is anyways n however does no harm.
> +	depends on I2C
> +	help
> +	  Say yes here to build support for Asahi Kasei AK8975 3-Axis
> +	  Magnetometer.
> +
> +	  To compile this driver as a module, choose M here: the module
> +	  will be called ak8975.
> +
>  config SENSORS_HMC5843
>  	tristate "Honeywell HMC5843 3-Axis Magnetometer"
>  	depends on I2C
> diff --git a/drivers/staging/iio/magnetometer/Makefile
> b/drivers/staging/iio/magnetometer/Makefile
> index f9bfb2e..e3dbaa4 100644
> --- a/drivers/staging/iio/magnetometer/Makefile
> +++ b/drivers/staging/iio/magnetometer/Makefile
> @@ -2,4 +2,5 @@
>  # Makefile for industrial I/O Magnetometer sensors
>  #
> 
> +obj-$(CONFIG_SENSORS_AK8975)	:= ak8975.o

Was the : intentional

>  obj-$(CONFIG_SENSORS_HMC5843)	+= hmc5843.o
> diff --git a/drivers/staging/iio/magnetometer/ak8975.c
> b/drivers/staging/iio/magnetometer/ak8975.c
> new file mode 100644
> index 0000000..ca39840
> --- /dev/null
> +++ b/drivers/staging/iio/magnetometer/ak8975.c
> @@ -0,0 +1,521 @@
> +/*
> + * A sensor driver for the magnetometer AK8975.
--
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