158 	struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec);  in cx20442_write()  local
168 	if (!codec->hw_write || !cx20442->control_data)  in cx20442_write()
197 	if (codec->hw_write(cx20442->control_data, buf, len) != len)  in cx20442_write()
244 	struct cx20442_priv *cx20442;  in v253_close()  local
251 	cx20442 = snd_soc_codec_get_drvdata(codec);  in v253_close()
255 	cx20442->control_data = NULL;  in v253_close()
271 	struct cx20442_priv *cx20442;  in v253_receive()  local
276 	cx20442 = snd_soc_codec_get_drvdata(codec);  in v253_receive()
278 	if (!cx20442->control_data) {  in v253_receive()
282 		cx20442->control_data = tty;  in v253_receive()
331 	struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec);  in cx20442_set_bias_level()  local
338 		if (IS_ERR(cx20442->por))  in cx20442_set_bias_level()
339 			err = PTR_ERR(cx20442->por);  in cx20442_set_bias_level()
341 			err = regulator_enable(cx20442->por);  in cx20442_set_bias_level()
346 		if (IS_ERR(cx20442->por))  in cx20442_set_bias_level()
347 			err = PTR_ERR(cx20442->por);  in cx20442_set_bias_level()
349 			err = regulator_disable(cx20442->por);  in cx20442_set_bias_level()
360 	struct cx20442_priv *cx20442;  in cx20442_codec_probe()  local
362 	cx20442 = kzalloc(sizeof(struct cx20442_priv), GFP_KERNEL);  in cx20442_codec_probe()
363 	if (cx20442 == NULL)  in cx20442_codec_probe()
366 	cx20442->por = regulator_get(codec->dev, "POR");  in cx20442_codec_probe()
367 	if (IS_ERR(cx20442->por))  in cx20442_codec_probe()
369 	cx20442->control_data = NULL;  in cx20442_codec_probe()
371 	snd_soc_codec_set_drvdata(codec, cx20442);  in cx20442_codec_probe()
381 	struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec);  in cx20442_codec_remove()  local
383 	if (cx20442->control_data) {  in cx20442_codec_remove()
384 		struct tty_struct *tty = cx20442->control_data;  in cx20442_codec_remove()
388 	if (!IS_ERR(cx20442->por)) {  in cx20442_codec_remove()
390 		regulator_put(cx20442->por);  in cx20442_codec_remove()
394 	kfree(cx20442);  in cx20442_codec_remove()