On 11/20/2012 01:36 PM, Lars-Peter Clausen wrote:
> Provide a IIO debugfs register access function for the ADIS library. This
> function can be used by induvidual drivers to allow raw register access via
> debugfs.
>
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
added to togreg branch of iio.git
> ---
> drivers/iio/imu/adis.c | 23 +++++++++++++++++++++++
> include/linux/iio/imu/adis.h | 11 +++++++++++
> 2 files changed, 34 insertions(+)
>
> diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
> index 8259b77..28d4df2 100644
> --- a/drivers/iio/imu/adis.c
> +++ b/drivers/iio/imu/adis.c
> @@ -135,6 +135,29 @@ error_ret:
> }
> EXPORT_SYMBOL_GPL(adis_read_reg_16);
>
> +#ifdef CONFIG_DEBUG_FS
> +
> +int adis_debugfs_reg_access(struct iio_dev *indio_dev,
> + unsigned int reg, unsigned int writeval, unsigned int *readval)
> +{
> + struct adis *adis = iio_device_get_drvdata(indio_dev);
> +
> + if (readval) {
> + uint16_t val16;
> + int ret;
> +
> + ret = adis_read_reg_16(adis, reg, &val16);
> + *readval = val16;
> +
> + return ret;
> + } else {
> + return adis_write_reg_16(adis, reg, writeval);
> + }
> +}
> +EXPORT_SYMBOL(adis_debugfs_reg_access);
> +
> +#endif
> +
> /**
> * adis_enable_irq() - Enable or disable data ready IRQ
> * @adis: The adis device
> diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
> index 8c3304d..fce7bc3 100644
> --- a/include/linux/iio/imu/adis.h
> +++ b/include/linux/iio/imu/adis.h
> @@ -183,4 +183,15 @@ static inline void adis_remove_trigger(struct adis *adis)
>
> #endif /* CONFIG_IIO_BUFFER */
>
> +#ifdef CONFIG_DEBUG_FS
> +
> +int adis_debugfs_reg_access(struct iio_dev *indio_dev,
> + unsigned int reg, unsigned int writeval, unsigned int *readval);
> +
> +#else
> +
> +#define adis_debugfs_reg_access NULL
> +
> +#endif
> +
> #endif
>
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