33 static int wm8400_register_codec(struct wm8400 *wm8400)  in wm8400_register_codec()  argument
37 		.platform_data = wm8400,  in wm8400_register_codec()
38 		.pdata_size = sizeof(*wm8400),  in wm8400_register_codec()
41 	return devm_mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0, NULL);  in wm8400_register_codec()
51 static int wm8400_init(struct wm8400 *wm8400,  in wm8400_init()  argument
57 	dev_set_drvdata(wm8400->dev, wm8400);  in wm8400_init()
60 	ret = regmap_read(wm8400->regmap, WM8400_RESET_ID, &reg);  in wm8400_init()
62 		dev_err(wm8400->dev, "Chip ID register read failed\n");  in wm8400_init()
66 		dev_err(wm8400->dev, "Device is not a WM8400, ID is %x\n",  in wm8400_init()
71 	ret = regmap_read(wm8400->regmap, WM8400_ID, &reg);  in wm8400_init()
73 		dev_err(wm8400->dev, "ID register read failed: %d\n", ret);  in wm8400_init()
77 	dev_info(wm8400->dev, "WM8400 revision %x\n", reg);  in wm8400_init()
79 	ret = wm8400_register_codec(wm8400);  in wm8400_init()
81 		dev_err(wm8400->dev, "Failed to register codec\n");  in wm8400_init()
86 		ret = pdata->platform_init(wm8400->dev);  in wm8400_init()
88 			dev_err(wm8400->dev, "Platform init failed: %d\n",  in wm8400_init()
93 		dev_warn(wm8400->dev, "No platform initialisation supplied\n");  in wm8400_init()
114 void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400)  in wm8400_reset_codec_reg_cache()  argument
116 	regmap_reinit_cache(wm8400->regmap, &wm8400_regmap_config);  in wm8400_reset_codec_reg_cache()
124 	struct wm8400 *wm8400;  in wm8400_i2c_probe()  local
126 	wm8400 = devm_kzalloc(&i2c->dev, sizeof(struct wm8400), GFP_KERNEL);  in wm8400_i2c_probe()
127 	if (!wm8400)  in wm8400_i2c_probe()
130 	wm8400->regmap = devm_regmap_init_i2c(i2c, &wm8400_regmap_config);  in wm8400_i2c_probe()
131 	if (IS_ERR(wm8400->regmap))  in wm8400_i2c_probe()
132 		return PTR_ERR(wm8400->regmap);  in wm8400_i2c_probe()
134 	wm8400->dev = &i2c->dev;  in wm8400_i2c_probe()
135 	i2c_set_clientdata(i2c, wm8400);  in wm8400_i2c_probe()
137 	return wm8400_init(wm8400, dev_get_platdata(&i2c->dev));  in wm8400_i2c_probe()