[PATCH] i810 no codec fix.

Syncs up with 2.4

sound/oss/i810_audio.c

@@ -66,6 +66,9 @@
  *
  *	This driver is cursed. (Ben LaHaise)
  *
+ *  ICH 3 caveats
+ *	Intel errata #7 for ICH3 IO. We need to disable SMI stuff
+ *	when codec probing. [Not Yet Done]
  *
  *  ICH 4 caveats
  *
@@ -640,6 +643,10 @@ static void i810_set_dac_channels(struct i810_state *state, int channel)
 	int	aud_reg;
 	struct ac97_codec *codec = state->card->ac97_codec[0];
 
+	/* No codec, no setup */
+	if(codec == NULL)
+		return;
+
 	aud_reg = i810_ac97_get(codec, AC97_EXTENDED_STATUS);
 	aud_reg |= AC97_EA_PRI | AC97_EA_PRJ | AC97_EA_PRK;
 	state->card->ac97_status &= ~(SURR_ON | CENTER_LFE_ON);