37 static int stm32_dac_is_enabled(struct iio_dev *indio_dev, int channel)  in stm32_dac_is_enabled()  argument
39 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_is_enabled()
54 static int stm32_dac_set_enable_state(struct iio_dev *indio_dev, int ch,  in stm32_dac_set_enable_state()  argument
57 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_set_enable_state()
58 	struct device *dev = indio_dev->dev.parent;  in stm32_dac_set_enable_state()
65 	ret = stm32_dac_is_enabled(indio_dev, ch);  in stm32_dac_set_enable_state()
83 		dev_err(&indio_dev->dev, "%s failed\n", en ?  in stm32_dac_set_enable_state()
136 static int stm32_dac_read_raw(struct iio_dev *indio_dev,  in stm32_dac_read_raw()  argument
140 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_read_raw()
154 static int stm32_dac_write_raw(struct iio_dev *indio_dev,  in stm32_dac_write_raw()  argument
158 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_write_raw()
168 static int stm32_dac_debugfs_reg_access(struct iio_dev *indio_dev,  in stm32_dac_debugfs_reg_access()  argument
172 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_debugfs_reg_access()
190 static int stm32_dac_get_powerdown_mode(struct iio_dev *indio_dev,  in stm32_dac_get_powerdown_mode()  argument
196 static int stm32_dac_set_powerdown_mode(struct iio_dev *indio_dev,  in stm32_dac_set_powerdown_mode()  argument
203 static ssize_t stm32_dac_read_powerdown(struct iio_dev *indio_dev,  in stm32_dac_read_powerdown()  argument
208 	int ret = stm32_dac_is_enabled(indio_dev, chan->channel);  in stm32_dac_read_powerdown()
216 static ssize_t stm32_dac_write_powerdown(struct iio_dev *indio_dev,  in stm32_dac_write_powerdown()  argument
228 	ret = stm32_dac_set_enable_state(indio_dev, chan->channel, !powerdown);  in stm32_dac_write_powerdown()
277 static int stm32_dac_chan_of_init(struct iio_dev *indio_dev)  in stm32_dac_chan_of_init()  argument
279 	struct device_node *np = indio_dev->dev.of_node;  in stm32_dac_chan_of_init()
286 		dev_err(&indio_dev->dev, "Failed to read reg property\n");  in stm32_dac_chan_of_init()
295 		dev_err(&indio_dev->dev, "Invalid reg property\n");  in stm32_dac_chan_of_init()
299 	indio_dev->channels = &stm32_dac_channels[i];  in stm32_dac_chan_of_init()
305 	indio_dev->num_channels = 1;  in stm32_dac_chan_of_init()
314 	struct iio_dev *indio_dev;  in stm32_dac_probe()  local
321 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*dac));  in stm32_dac_probe()
322 	if (!indio_dev)  in stm32_dac_probe()
324 	platform_set_drvdata(pdev, indio_dev);  in stm32_dac_probe()
326 	dac = iio_priv(indio_dev);  in stm32_dac_probe()
328 	indio_dev->name = dev_name(&pdev->dev);  in stm32_dac_probe()
329 	indio_dev->dev.of_node = pdev->dev.of_node;  in stm32_dac_probe()
330 	indio_dev->info = &stm32_dac_iio_info;  in stm32_dac_probe()
331 	indio_dev->modes = INDIO_DIRECT_MODE;  in stm32_dac_probe()
335 	ret = stm32_dac_chan_of_init(indio_dev);  in stm32_dac_probe()
346 	ret = iio_device_register(indio_dev);  in stm32_dac_probe()
365 	struct iio_dev *indio_dev = platform_get_drvdata(pdev);  in stm32_dac_remove()  local
368 	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()