From mboxrd@z Thu Jan 1 00:00:00 1970 From: embed3d@gmail.com (Philipp Rossak) Date: Wed, 31 Jan 2018 19:35:55 +0100 Subject: [PATCH v2 04/16] iio: adc: sun4i-gpadc-iio: rework: sampling start/end code readout reg In-Reply-To: <20180131175106.agrvwioaruioavqk@qschulz> References: <20180128232919.12639-1-embed3d@gmail.com> <20180128232919.12639-5-embed3d@gmail.com> <20180131175106.agrvwioaruioavqk@qschulz> Message-ID: <025fc383-8a54-cc22-bdf3-0919b8ca2507@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 31.01.2018 18:51, Quentin Schulz wrote: > Hi Philipp, > > 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 >> Signed-off-by: Philipp Rossak >> --- >> 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. >> + */ > > Comment not needed. > >> +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; > > Does not really have anything to do with sample_start/end. I would have > made a different commit for it. > > Otherwise, > Reviewed-by: Quentin Schulz > > Quentin > Ok I will split this. Thanks, Philipp