41 static int stm32_dac_is_enabled(struct iio_dev *indio_dev, int channel)  in stm32_dac_is_enabled()  argument
43 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_is_enabled()
58 static int stm32_dac_set_enable_state(struct iio_dev *indio_dev, int ch,  in stm32_dac_set_enable_state()  argument
61 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_set_enable_state()
62 	struct device *dev = indio_dev->dev.parent;  in stm32_dac_set_enable_state()
69 	ret = stm32_dac_is_enabled(indio_dev, ch);  in stm32_dac_set_enable_state()
86 		dev_err(&indio_dev->dev, "%s failed\n", str_enable_disable(en));  in stm32_dac_set_enable_state()
138 static int stm32_dac_read_raw(struct iio_dev *indio_dev,  in stm32_dac_read_raw()  argument
142 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_read_raw()
156 static int stm32_dac_write_raw(struct iio_dev *indio_dev,  in stm32_dac_write_raw()  argument
160 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_write_raw()
170 static int stm32_dac_debugfs_reg_access(struct iio_dev *indio_dev,  in stm32_dac_debugfs_reg_access()  argument
174 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_debugfs_reg_access()
192 static int stm32_dac_get_powerdown_mode(struct iio_dev *indio_dev,  in stm32_dac_get_powerdown_mode()  argument
198 static int stm32_dac_set_powerdown_mode(struct iio_dev *indio_dev,  in stm32_dac_set_powerdown_mode()  argument
205 static ssize_t stm32_dac_read_powerdown(struct iio_dev *indio_dev,  in stm32_dac_read_powerdown()  argument
210 	int ret = stm32_dac_is_enabled(indio_dev, chan->channel);  in stm32_dac_read_powerdown()
218 static ssize_t stm32_dac_write_powerdown(struct iio_dev *indio_dev,  in stm32_dac_write_powerdown()  argument
230 	ret = stm32_dac_set_enable_state(indio_dev, chan->channel, !powerdown);  in stm32_dac_write_powerdown()
279 static int stm32_dac_chan_of_init(struct iio_dev *indio_dev)  in stm32_dac_chan_of_init()  argument
281 	struct device_node *np = indio_dev->dev.of_node;  in stm32_dac_chan_of_init()
288 		dev_err(&indio_dev->dev, "Failed to read reg property\n");  in stm32_dac_chan_of_init()
297 		dev_err(&indio_dev->dev, "Invalid reg property\n");  in stm32_dac_chan_of_init()
301 	indio_dev->channels = &stm32_dac_channels[i];  in stm32_dac_chan_of_init()
307 	indio_dev->num_channels = 1;  in stm32_dac_chan_of_init()
316 	struct iio_dev *indio_dev;  in stm32_dac_probe()  local
323 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*dac));  in stm32_dac_probe()
324 	if (!indio_dev)  in stm32_dac_probe()
326 	platform_set_drvdata(pdev, indio_dev);  in stm32_dac_probe()
328 	dac = iio_priv(indio_dev);  in stm32_dac_probe()
330 	indio_dev->name = dev_name(&pdev->dev);  in stm32_dac_probe()
331 	indio_dev->dev.of_node = pdev->dev.of_node;  in stm32_dac_probe()
332 	indio_dev->info = &stm32_dac_iio_info;  in stm32_dac_probe()
333 	indio_dev->modes = INDIO_DIRECT_MODE;  in stm32_dac_probe()
337 	ret = stm32_dac_chan_of_init(indio_dev);  in stm32_dac_probe()
348 	ret = iio_device_register(indio_dev);  in stm32_dac_probe()
367 	struct iio_dev *indio_dev = platform_get_drvdata(pdev);  in stm32_dac_remove()  local
370 	iio_device_unregister(indio_dev);  in stm32_dac_remove()
378 	struct iio_dev *indio_dev = dev_get_drvdata(dev);  in stm32_dac_suspend()  local
379 	int channel = indio_dev->channels[0].channel;  in stm32_dac_suspend()
383 	ret = stm32_dac_is_enabled(indio_dev, channel);  in stm32_dac_suspend()