iio: adc: ad7606: Add debug mode for ad7616 (a444fa59) · Commits · 戴 / test

drivers/iio/adc/ad7606.c

+32 −1

Original line number	Diff line number	Diff line
		@@ -60,6 +60,29 @@ static int ad7606_reset(struct ad7606_state *st)
		return -ENODEV;
		}

		static int ad7606_reg_access(struct iio_dev *indio_dev,
		unsigned int reg,
		unsigned int writeval,
		unsigned int *readval)
		{
		struct ad7606_state *st = iio_priv(indio_dev);
		int ret;

		mutex_lock(&st->lock);
		if (readval) {
		ret = st->bops->reg_read(st, reg);
		if (ret < 0)
		goto err_unlock;
		*readval = ret;
		ret = 0;
		} else {
		ret = st->bops->reg_write(st, reg, writeval);
		}
		err_unlock:
		mutex_unlock(&st->lock);
		return ret;
		}

		static int ad7606_read_samples(struct ad7606_state *st)
		{
		unsigned int num = st->chip_info->num_channels;
		@@ -501,6 +524,14 @@ static const struct iio_info ad7606_info_os_and_range = {
		.validate_trigger = &ad7606_validate_trigger,
		};

		static const struct iio_info ad7606_info_os_range_and_debug = {
		.read_raw = &ad7606_read_raw,
		.write_raw = &ad7606_write_raw,
		.debugfs_reg_access = &ad7606_reg_access,
		.attrs = &ad7606_attribute_group_os_and_range,
		.validate_trigger = &ad7606_validate_trigger,
		};

		static const struct iio_info ad7606_info_os = {
		.read_raw = &ad7606_read_raw,
		.write_raw = &ad7606_write_raw,
		@@ -617,7 +648,7 @@ int ad7606_probe(struct device dev, int irq, void __iomem base_address,

		/* After reset, in software mode, ±10 V is set by default */
		memset32(st->range, 2, ARRAY_SIZE(st->range));
		indio_dev->info = &ad7606_info_os_and_range;
		indio_dev->info = &ad7606_info_os_range_and_debug;

		ret = st->bops->sw_mode_config(indio_dev);
		if (ret < 0)