| Message ID | 20230627224017.1724097-5-gnstark@sberdevices.ru (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | meson saradc: add iio channels to read channel 7 mux inputs | expand |
On Wed, 28 Jun 2023 01:37:17 +0300 George Stark <gnstark@sberdevices.ru> wrote: > Add attribute 'label' to all iio channels. Why? Reasoning is more useful here than a simple statement of 'what'. > > Signed-off-by: George Stark <GNStark@sberdevices.ru> > --- > drivers/iio/adc/meson_saradc.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c > index b87f05dfb322..85970fe852af 100644 > --- a/drivers/iio/adc/meson_saradc.c > +++ b/drivers/iio/adc/meson_saradc.c > @@ -1058,8 +1058,20 @@ static int meson_sar_adc_calib(struct iio_dev *indio_dev) > return ret; > } > > +static int read_label(struct iio_dev *indio_dev, > + struct iio_chan_spec const *chan, > + char *label) > +{ > + if (chan->type == IIO_TEMP) > + return sprintf(label, "%s\n", "temp-sensor"); > + if (chan->type == IIO_VOLTAGE) > + return sprintf(label, "channel-%d\n", chan->channel); > + return 0; > +} > + > static const struct iio_info meson_sar_adc_iio_info = { > .read_raw = meson_sar_adc_iio_info_read_raw, > + .read_label = read_label, > }; > > static const struct meson_sar_adc_param meson_sar_adc_meson8_param = {
On 7/2/23 12:16, Jonathan Cameron wrote: > On Wed, 28 Jun 2023 01:37:17 +0300 > George Stark <gnstark@sberdevices.ru> wrote: > >> Add attribute 'label' to all iio channels. > Why? Reasoning is more useful here than a simple statement of 'what'. Adding labels make sense only for newly-added channels, base channels' default node names are close enough to datasheet names. Ack for extending the commit message. >> Signed-off-by: George Stark <GNStark@sberdevices.ru> >> --- >> drivers/iio/adc/meson_saradc.c | 12 ++++++++++++ >> 1 file changed, 12 insertions(+) >> >> diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c >> index b87f05dfb322..85970fe852af 100644 >> --- a/drivers/iio/adc/meson_saradc.c >> +++ b/drivers/iio/adc/meson_saradc.c >> @@ -1058,8 +1058,20 @@ static int meson_sar_adc_calib(struct iio_dev *indio_dev) >> return ret; >> } >> >> +static int read_label(struct iio_dev *indio_dev, >> + struct iio_chan_spec const *chan, >> + char *label) >> +{ >> + if (chan->type == IIO_TEMP) >> + return sprintf(label, "%s\n", "temp-sensor"); >> + if (chan->type == IIO_VOLTAGE) >> + return sprintf(label, "channel-%d\n", chan->channel); >> + return 0; >> +} >> + >> static const struct iio_info meson_sar_adc_iio_info = { >> .read_raw = meson_sar_adc_iio_info_read_raw, >> + .read_label = read_label, >> }; >> >> static const struct meson_sar_adc_param meson_sar_adc_meson8_param = {
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index b87f05dfb322..85970fe852af 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -1058,8 +1058,20 @@ static int meson_sar_adc_calib(struct iio_dev *indio_dev) return ret; } +static int read_label(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + char *label) +{ + if (chan->type == IIO_TEMP) + return sprintf(label, "%s\n", "temp-sensor"); + if (chan->type == IIO_VOLTAGE) + return sprintf(label, "channel-%d\n", chan->channel); + return 0; +} + static const struct iio_info meson_sar_adc_iio_info = { .read_raw = meson_sar_adc_iio_info_read_raw, + .read_label = read_label, }; static const struct meson_sar_adc_param meson_sar_adc_meson8_param = {
Add attribute 'label' to all iio channels. Signed-off-by: George Stark <GNStark@sberdevices.ru> --- drivers/iio/adc/meson_saradc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)