36 static int wm831x_auxadc_read_irq(struct wm831x *wm831x,  in wm831x_auxadc_read_irq()  argument
51 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
54 	list_add(&req->list, &wm831x->auxadc_pending);  in wm831x_auxadc_read_irq()
56 	ena = !wm831x->auxadc_active;  in wm831x_auxadc_read_irq()
59 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_irq()
62 			dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n",  in wm831x_auxadc_read_irq()
69 	if (!(wm831x->auxadc_active & (1 << input))) {  in wm831x_auxadc_read_irq()
70 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_read_irq()
73 			dev_err(wm831x->dev,  in wm831x_auxadc_read_irq()
78 		wm831x->auxadc_active |= 1 << input;  in wm831x_auxadc_read_irq()
83 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_irq()
89 			dev_err(wm831x->dev, "Failed to start AUXADC: %d\n",  in wm831x_auxadc_read_irq()
95 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
100 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
106 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
115 	struct wm831x *wm831x = irq_data;  in wm831x_auxadc_irq()  local
119 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);  in wm831x_auxadc_irq()
121 		dev_err(wm831x->dev,  in wm831x_auxadc_irq()
134 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_irq()
137 	wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_irq()
139 	wm831x->auxadc_active &= ~(1 << input);  in wm831x_auxadc_irq()
142 	if (!wm831x->auxadc_active)  in wm831x_auxadc_irq()
143 		wm831x_reg_write(wm831x, WM831X_AUXADC_CONTROL, 0);  in wm831x_auxadc_irq()
146 	list_for_each_entry(req, &wm831x->auxadc_pending, list) {  in wm831x_auxadc_irq()
153 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_irq()
158 static int wm831x_auxadc_read_polled(struct wm831x *wm831x,  in wm831x_auxadc_read_polled()  argument
163 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_polled()
165 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_polled()
168 		dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret);  in wm831x_auxadc_read_polled()
174 	ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_read_polled()
177 		dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret);  in wm831x_auxadc_read_polled()
181 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_polled()
184 		dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret);  in wm831x_auxadc_read_polled()
194 		ret = wm831x_reg_read(wm831x,  in wm831x_auxadc_read_polled()
197 			dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
204 			wm831x_reg_write(wm831x,  in wm831x_auxadc_read_polled()
209 			dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
216 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);  in wm831x_auxadc_read_polled()
218 		dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
230 		dev_err(wm831x->dev, "Data from source %d not %d\n",  in wm831x_auxadc_read_polled()
238 	wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0);  in wm831x_auxadc_read_polled()
240 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_polled()
250 int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)  in wm831x_auxadc_read()  argument
252 	return wm831x->auxadc_read(wm831x, input);  in wm831x_auxadc_read()
262 int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)  in wm831x_auxadc_read_uv()  argument
266 	ret = wm831x_auxadc_read(wm831x, input);  in wm831x_auxadc_read_uv()
276 void wm831x_auxadc_init(struct wm831x *wm831x)  in wm831x_auxadc_init()  argument
280 	mutex_init(&wm831x->auxadc_lock);  in wm831x_auxadc_init()
281 	INIT_LIST_HEAD(&wm831x->auxadc_pending);  in wm831x_auxadc_init()
283 	if (wm831x->irq) {  in wm831x_auxadc_init()
284 		wm831x->auxadc_read = wm831x_auxadc_read_irq;  in wm831x_auxadc_init()
286 		ret = request_threaded_irq(wm831x_irq(wm831x,  in wm831x_auxadc_init()
289 					   "auxadc", wm831x);  in wm831x_auxadc_init()
291 			dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",  in wm831x_auxadc_init()
293 			wm831x->auxadc_read = NULL;  in wm831x_auxadc_init()
297 	if (!wm831x->auxadc_read)  in wm831x_auxadc_init()
298 		wm831x->auxadc_read = wm831x_auxadc_read_polled;  in wm831x_auxadc_init()