57 	struct v4l2_subdev sd;  member
66 static inline struct wm8775_state *to_state(struct v4l2_subdev *sd)  in to_state()  argument
68 	return container_of(sd, struct wm8775_state, sd);  in to_state()
73 	return &container_of(ctrl->handler, struct wm8775_state, hdl)->sd;  in to_sd()
76 static int wm8775_write(struct v4l2_subdev *sd, int reg, u16 val)  in wm8775_write()  argument
78 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in wm8775_write()
82 		v4l2_err(sd, "Invalid register R%d\n", reg);  in wm8775_write()
90 	v4l2_err(sd, "I2C: cannot write %03x to register R%d\n", val, reg);  in wm8775_write()
94 static void wm8775_set_audio(struct v4l2_subdev *sd, int quietly)  in wm8775_set_audio()  argument
96 	struct wm8775_state *state = to_state(sd);  in wm8775_set_audio()
108 		wm8775_write(sd, R21, 0x0c0 | state->input);  in wm8775_set_audio()
110 	wm8775_write(sd, R14, vol_l | 0x100); /* 0x100= Left channel ADC zero cross enable */  in wm8775_set_audio()
111 	wm8775_write(sd, R15, vol_r | 0x100); /* 0x100= Right channel ADC zero cross enable */  in wm8775_set_audio()
115 		wm8775_write(sd, R21, state->input);  in wm8775_set_audio()
118 static int wm8775_s_routing(struct v4l2_subdev *sd,  in wm8775_s_routing()  argument
121 	struct wm8775_state *state = to_state(sd);  in wm8775_s_routing()
129 		v4l2_err(sd, "Invalid input %d.\n", input);  in wm8775_s_routing()
137 	wm8775_set_audio(sd, 1);  in wm8775_s_routing()
143 	struct v4l2_subdev *sd = to_sd(ctrl);  in wm8775_s_ctrl()  local
149 		wm8775_set_audio(sd, 0);  in wm8775_s_ctrl()
152 		wm8775_write(sd, R17, (ctrl->val ? ALC_EN : 0) | ALC_HOLD);  in wm8775_s_ctrl()
158 static int wm8775_log_status(struct v4l2_subdev *sd)  in wm8775_log_status()  argument
160 	struct wm8775_state *state = to_state(sd);  in wm8775_log_status()
162 	v4l2_info(sd, "Input: %d\n", state->input);  in wm8775_log_status()
163 	v4l2_ctrl_handler_log_status(&state->hdl, sd->name);  in wm8775_log_status()
167 static int wm8775_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *freq)  in wm8775_s_frequency()  argument
169 	wm8775_set_audio(sd, 0);  in wm8775_s_frequency()
217 	struct v4l2_subdev *sd;  in wm8775_probe()  local
236 	sd = &state->sd;  in wm8775_probe()
237 	v4l2_i2c_subdev_init(sd, client, &wm8775_ops);  in wm8775_probe()
249 	sd->ctrl_handler = &state->hdl;  in wm8775_probe()
259 	wm8775_write(sd, R23, 0x000);  in wm8775_probe()
261 	wm8775_write(sd, R7, 0x000);  in wm8775_probe()
263 	wm8775_write(sd, R11, 0x021);  in wm8775_probe()
265 	wm8775_write(sd, R12, 0x102);  in wm8775_probe()
267 	wm8775_write(sd, R13, 0x000);  in wm8775_probe()
271 		wm8775_write(sd, R14, 0x1d4);  in wm8775_probe()
273 		wm8775_write(sd, R15, 0x1d4);  in wm8775_probe()
275 		wm8775_write(sd, R16, 0x1bf);  in wm8775_probe()
278 		wm8775_write(sd, R17, 0x185);  in wm8775_probe()
281 		wm8775_write(sd, R16, 0x1bb);  in wm8775_probe()
283 		wm8775_write(sd, R17, (state->loud->val ? ALC_EN : 0) | ALC_HOLD);  in wm8775_probe()
286 	wm8775_write(sd, R18, 0x0a2);  in wm8775_probe()
288 	wm8775_write(sd, R19, 0x005);  in wm8775_probe()
291 		wm8775_write(sd, R20, 0x07a);  in wm8775_probe()
293 		wm8775_write(sd, R21, 0x102);  in wm8775_probe()
296 		wm8775_write(sd, R20, 0x0fb);  in wm8775_probe()
298 		wm8775_set_audio(sd, 1);      /* set volume/mute/mux */  in wm8775_probe()
305 	struct v4l2_subdev *sd = i2c_get_clientdata(client);  in wm8775_remove()  local
306 	struct wm8775_state *state = to_state(sd);  in wm8775_remove()
308 	v4l2_device_unregister_subdev(sd);  in wm8775_remove()