46 u16 wm8400_reg_read(struct wm8400 *wm8400, u8 reg)  in wm8400_reg_read()  argument
51 	ret = regmap_read(wm8400->regmap, reg, &val);  in wm8400_reg_read()
59 int wm8400_block_read(struct wm8400 *wm8400, u8 reg, int count, u16 *data)  in wm8400_block_read()  argument
61 	return regmap_bulk_read(wm8400->regmap, reg, data, count);  in wm8400_block_read()
65 static int wm8400_register_codec(struct wm8400 *wm8400)  in wm8400_register_codec()  argument
69 		.platform_data = wm8400,  in wm8400_register_codec()
70 		.pdata_size = sizeof(*wm8400),  in wm8400_register_codec()
73 	return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0, NULL);  in wm8400_register_codec()
83 static int wm8400_init(struct wm8400 *wm8400,  in wm8400_init()  argument
89 	dev_set_drvdata(wm8400->dev, wm8400);  in wm8400_init()
92 	ret = regmap_read(wm8400->regmap, WM8400_RESET_ID, &reg);  in wm8400_init()
94 		dev_err(wm8400->dev, "Chip ID register read failed\n");  in wm8400_init()
98 		dev_err(wm8400->dev, "Device is not a WM8400, ID is %x\n",  in wm8400_init()
103 	ret = regmap_read(wm8400->regmap, WM8400_ID, &reg);  in wm8400_init()
105 		dev_err(wm8400->dev, "ID register read failed: %d\n", ret);  in wm8400_init()
109 	dev_info(wm8400->dev, "WM8400 revision %x\n", reg);  in wm8400_init()
111 	ret = wm8400_register_codec(wm8400);  in wm8400_init()
113 		dev_err(wm8400->dev, "Failed to register codec\n");  in wm8400_init()
118 		ret = pdata->platform_init(wm8400->dev);  in wm8400_init()
120 			dev_err(wm8400->dev, "Platform init failed: %d\n",  in wm8400_init()
125 		dev_warn(wm8400->dev, "No platform initialisation supplied\n");  in wm8400_init()
130 	mfd_remove_devices(wm8400->dev);  in wm8400_init()
134 static void wm8400_release(struct wm8400 *wm8400)  in wm8400_release()  argument
136 	mfd_remove_devices(wm8400->dev);  in wm8400_release()
153 void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400)  in wm8400_reset_codec_reg_cache()  argument
155 	regmap_reinit_cache(wm8400->regmap, &wm8400_regmap_config);  in wm8400_reset_codec_reg_cache()
163 	struct wm8400 *wm8400;  in wm8400_i2c_probe()  local
165 	wm8400 = devm_kzalloc(&i2c->dev, sizeof(struct wm8400), GFP_KERNEL);  in wm8400_i2c_probe()
166 	if (!wm8400)  in wm8400_i2c_probe()
169 	wm8400->regmap = devm_regmap_init_i2c(i2c, &wm8400_regmap_config);  in wm8400_i2c_probe()
170 	if (IS_ERR(wm8400->regmap))  in wm8400_i2c_probe()
171 		return PTR_ERR(wm8400->regmap);  in wm8400_i2c_probe()
173 	wm8400->dev = &i2c->dev;  in wm8400_i2c_probe()
174 	i2c_set_clientdata(i2c, wm8400);  in wm8400_i2c_probe()
176 	return wm8400_init(wm8400, dev_get_platdata(&i2c->dev));  in wm8400_i2c_probe()
181 	struct wm8400 *wm8400 = i2c_get_clientdata(i2c);  in wm8400_i2c_remove()  local
183 	wm8400_release(wm8400);  in wm8400_i2c_remove()