IIO: Ingenic JZ47xx: Add xlate cb to retrieve correct channel idx (155e41ef) · Commits · 戴 / test

Provide an of_xlate callback in order to retrieve the correct channel specifier index from the IIO channels array. Signed-off-by:

drivers/iio/adc/ingenic-adc.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -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[] = {