Hi, On Mon, Jan 29, 2018 at 12:29:07AM +0100, Philipp Rossak wrote: > For adding newer sensor some basic rework of the code is necessary. > > This commit reworks the code and allows the sampling start/end code and > the position of value readout register to be altered. Later the start/end > functions will be used to configure the ths and start/stop the > sampling. > > Signed-off-by: Icenowy Zheng <icen...@aosc.io> > Signed-off-by: Philipp Rossak <embe...@gmail.com>
That signed-off-by chain doesn't really make much sense. If Icenowy is
the author, she should be reported as such in the commit, and if
you're the author, you shouldn't have her Signed-off-by.
> ---
> drivers/iio/adc/sun4i-gpadc-iio.c | 44
> ++++++++++++++++++++++++++++++++++-----
> 1 file changed, 39 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c
> b/drivers/iio/adc/sun4i-gpadc-iio.c
> index 03804ff9c006..db57d9fffe48 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -49,6 +49,15 @@ static unsigned int sun6i_gpadc_chan_select(unsigned int
> chan)
> return SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(chan);
> }
>
> +struct sun4i_gpadc_iio;
> +
> +/*
> + * Prototypes for these functions, which enable these functions to be
> + * referenced in gpadc_data structures.
> + */
> +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info);
> +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info);
> +
> struct gpadc_data {
> int temp_offset;
> int temp_scale;
> @@ -56,6 +65,9 @@ struct gpadc_data {
> unsigned int tp_adc_select;
> unsigned int (*adc_chan_select)(unsigned int chan);
> unsigned int adc_chan_mask;
> + unsigned int temp_data;
> + int (*sample_start)(struct sun4i_gpadc_iio *info);
> + int (*sample_end)(struct sun4i_gpadc_iio *info);
> };
>
> static const struct gpadc_data sun4i_gpadc_data = {
> @@ -65,6 +77,9 @@ static const struct gpadc_data sun4i_gpadc_data = {
> .tp_adc_select = SUN4I_GPADC_CTRL1_TP_ADC_SELECT,
> .adc_chan_select = &sun4i_gpadc_chan_select,
> .adc_chan_mask = SUN4I_GPADC_CTRL1_ADC_CHAN_MASK,
> + .temp_data = SUN4I_GPADC_TEMP_DATA,
You can use a regmap_field there.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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