65 	struct lpc32xx_adc_state *st = iio_priv(indio_dev);  in lpc32xx_read_raw()  local
70 		mutex_lock(&st->lock);  in lpc32xx_read_raw()
71 		ret = clk_prepare_enable(st->clk);  in lpc32xx_read_raw()
73 			mutex_unlock(&st->lock);  in lpc32xx_read_raw()
79 			     LPC32XXAD_SELECT(st->adc_base));  in lpc32xx_read_raw()
82 			     LPC32XXAD_CTRL(st->adc_base));  in lpc32xx_read_raw()
83 		wait_for_completion(&st->completion); /* set by ISR */  in lpc32xx_read_raw()
84 		clk_disable_unprepare(st->clk);  in lpc32xx_read_raw()
85 		*val = st->value;  in lpc32xx_read_raw()
86 		mutex_unlock(&st->lock);  in lpc32xx_read_raw()
91 		*val = regulator_get_voltage(st->vref) / 1000;  in lpc32xx_read_raw()
135 	struct lpc32xx_adc_state *st = dev_id;  in lpc32xx_adc_isr()  local
138 	st->value = __raw_readl(LPC32XXAD_VALUE(st->adc_base)) &  in lpc32xx_adc_isr()
140 	complete(&st->completion);  in lpc32xx_adc_isr()
147 	struct lpc32xx_adc_state *st = NULL;  in lpc32xx_adc_probe()  local
159 	iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*st));  in lpc32xx_adc_probe()
163 	st = iio_priv(iodev);  in lpc32xx_adc_probe()
165 	st->adc_base = devm_ioremap(&pdev->dev, res->start,  in lpc32xx_adc_probe()
167 	if (!st->adc_base) {  in lpc32xx_adc_probe()
172 	st->clk = devm_clk_get(&pdev->dev, NULL);  in lpc32xx_adc_probe()
173 	if (IS_ERR(st->clk)) {  in lpc32xx_adc_probe()
175 		return PTR_ERR(st->clk);  in lpc32xx_adc_probe()
183 				  LPC32XXAD_NAME, st);  in lpc32xx_adc_probe()
189 	st->vref = devm_regulator_get(&pdev->dev, "vref");  in lpc32xx_adc_probe()
190 	if (IS_ERR(st->vref)) {  in lpc32xx_adc_probe()
200 	init_completion(&st->completion);  in lpc32xx_adc_probe()
207 	mutex_init(&st->lock);  in lpc32xx_adc_probe()