diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/ingenic-adc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c index 059c2573e4a9..a742724fa7e6 100644 --- a/drivers/iio/adc/ingenic-adc.c +++ b/drivers/iio/adc/ingenic-adc.c @@ -401,6 +401,21 @@ static int ingenic_adc_read_raw(struct iio_dev *iio_dev, } } +static int ingenic_adc_of_xlate(struct iio_dev *iio_dev, + const struct of_phandle_args *iiospec) +{ + int i; + + if (!iiospec->args_count) + return -EINVAL; + + for (i = 0; i < iio_dev->num_channels; ++i) + if (iio_dev->channels[i].channel == iiospec->args[0]) + return i; + + return -EINVAL; +} + static void ingenic_adc_clk_cleanup(void *data) { clk_unprepare(data); @@ -410,6 +425,7 @@ static const struct iio_info ingenic_adc_info = { .write_raw = ingenic_adc_write_raw, .read_raw = ingenic_adc_read_raw, .read_avail = ingenic_adc_read_avail, + .of_xlate = ingenic_adc_of_xlate, }; static const struct iio_chan_spec ingenic_channels[] = { |