31 static int wm831x_auxadc_read_irq(struct wm831x *wm831x,  in wm831x_auxadc_read_irq()  argument
46 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
49 	list_add(&req->list, &wm831x->auxadc_pending);  in wm831x_auxadc_read_irq()
51 	ena = !wm831x->auxadc_active;  in wm831x_auxadc_read_irq()
54 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_irq()
57 			dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n",  in wm831x_auxadc_read_irq()
64 	if (!(wm831x->auxadc_active & (1 << input))) {  in wm831x_auxadc_read_irq()
65 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_read_irq()
68 			dev_err(wm831x->dev,  in wm831x_auxadc_read_irq()
73 		wm831x->auxadc_active |= 1 << input;  in wm831x_auxadc_read_irq()
78 		ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_irq()
84 			dev_err(wm831x->dev, "Failed to start AUXADC: %d\n",  in wm831x_auxadc_read_irq()
90 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
95 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
100 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_irq()
109 	struct wm831x *wm831x = irq_data;  in wm831x_auxadc_irq()  local
113 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);  in wm831x_auxadc_irq()
115 		dev_err(wm831x->dev,  in wm831x_auxadc_irq()
128 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_irq()
131 	wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_irq()
133 	wm831x->auxadc_active &= ~(1 << input);  in wm831x_auxadc_irq()
136 	if (!wm831x->auxadc_active)  in wm831x_auxadc_irq()
137 		wm831x_reg_write(wm831x, WM831X_AUXADC_CONTROL, 0);  in wm831x_auxadc_irq()
140 	list_for_each_entry(req, &wm831x->auxadc_pending, list) {  in wm831x_auxadc_irq()
147 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_irq()
152 static int wm831x_auxadc_read_polled(struct wm831x *wm831x,  in wm831x_auxadc_read_polled()  argument
157 	mutex_lock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_polled()
159 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_polled()
162 		dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret);  in wm831x_auxadc_read_polled()
168 	ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE,  in wm831x_auxadc_read_polled()
171 		dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret);  in wm831x_auxadc_read_polled()
175 	ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,  in wm831x_auxadc_read_polled()
178 		dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret);  in wm831x_auxadc_read_polled()
188 		ret = wm831x_reg_read(wm831x,  in wm831x_auxadc_read_polled()
191 			dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
198 			wm831x_reg_write(wm831x,  in wm831x_auxadc_read_polled()
203 			dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
210 	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);  in wm831x_auxadc_read_polled()
212 		dev_err(wm831x->dev,  in wm831x_auxadc_read_polled()
224 		dev_err(wm831x->dev, "Data from source %d not %d\n",  in wm831x_auxadc_read_polled()
232 	wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0);  in wm831x_auxadc_read_polled()
234 	mutex_unlock(&wm831x->auxadc_lock);  in wm831x_auxadc_read_polled()
244 int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)  in wm831x_auxadc_read()  argument
246 	return wm831x->auxadc_read(wm831x, input);  in wm831x_auxadc_read()
256 int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)  in wm831x_auxadc_read_uv()  argument
260 	ret = wm831x_auxadc_read(wm831x, input);  in wm831x_auxadc_read_uv()
270 void wm831x_auxadc_init(struct wm831x *wm831x)  in wm831x_auxadc_init()  argument
274 	mutex_init(&wm831x->auxadc_lock);  in wm831x_auxadc_init()
275 	INIT_LIST_HEAD(&wm831x->auxadc_pending);  in wm831x_auxadc_init()
277 	if (wm831x->irq) {  in wm831x_auxadc_init()
278 		wm831x->auxadc_read = wm831x_auxadc_read_irq;  in wm831x_auxadc_init()
280 		ret = request_threaded_irq(wm831x_irq(wm831x,  in wm831x_auxadc_init()
284 					   "auxadc", wm831x);  in wm831x_auxadc_init()
286 			dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",  in wm831x_auxadc_init()
288 			wm831x->auxadc_read = NULL;  in wm831x_auxadc_init()
292 	if (!wm831x->auxadc_read)  in wm831x_auxadc_init()
293 		wm831x->auxadc_read = wm831x_auxadc_read_polled;  in wm831x_auxadc_init()