[ALSA] ice1712 - Fix word clock status control on Delta 1010LT

The 'Word Clock Status' control on Delta 1010LT checks the CS8427
error register too strictly and almost always returns 1 (unlocked).
It should check only the lock status bit.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/ice1712/delta.c

@@ -405,7 +405,7 @@ static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kco
 	if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
 		snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
 	snd_i2c_readbytes(ice->cs8427, &reg, 1);
-	ucontrol->value.integer.value[0] = (reg ? 1 : 0);
+	ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
 	return 0;
 }