ASoC: twl6040: Rename twl6040_is_path_unmuted -> twl6040_can_write_to_chip

Matches more precisely of the functionality.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index f2f4bcb..ef13a50 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -219,8 +219,8 @@
 	return value;
 }
 
-static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec,
-				    unsigned int reg)
+static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
+				  unsigned int reg)
 {
 	struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 
@@ -250,7 +250,7 @@
 		return -EIO;
 
 	twl6040_write_reg_cache(codec, reg, value);
-	if (twl6040_is_path_unmuted(codec, reg))
+	if (twl6040_can_write_to_chip(codec, reg))
 		return twl6040_reg_write(twl6040, reg, value);
 	else
 		return 0;