Index: linux-2.6.17-rc5/sound/pci/ac97/ac97_codec.c
===================================================================
--- linux-2.6.17-rc5.orig/sound/pci/ac97/ac97_codec.c
+++ linux-2.6.17-rc5/sound/pci/ac97/ac97_codec.c
@@ -151,7 +151,7 @@ static const struct ac97_codec_id snd_ac
 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48",	NULL,		NULL }, // only guess --jk
 { 0x4e534331, 0xffffffff, "LM4549",		NULL,		NULL },
 { 0x4e534350, 0xffffffff, "LM4550",		patch_lm4550,  	NULL }, // volume wrap fix 
-{ 0x50534304, 0xffffffff, "UCB1400",		NULL,		NULL },
+{ 0x50534304, 0xffffffff, "UCB1400",		patch_ucb1400,		NULL, AC97_HAS_NO_STD_PCM },
 { 0x53494c20, 0xffffffe0, "Si3036,8",		mpatch_si3036,	mpatch_si3036, AC97_MODEM_PATCH },
 { 0x54524102, 0xffffffff, "TR28022",		NULL,		NULL },
 { 0x54524106, 0xffffffff, "TR28026",		NULL,		NULL },
Index: linux-2.6.17-rc5/sound/pci/ac97/ac97_patch.c
===================================================================
--- linux-2.6.17-rc5.orig/sound/pci/ac97/ac97_patch.c
+++ linux-2.6.17-rc5/sound/pci/ac97/ac97_patch.c
@@ -375,7 +375,57 @@ int patch_yamaha_ymf753(struct snd_ac97 
 	ac97->caps |= 0x04 << 10; /* Yamaha 3D enhancement */
 	return 0;
 }
+/*
+ * UCB1400 codec
+ */
+
+#define AC97_UCB1400_FCSR1	0x6a
+#define AC97_UCB1400_FCSR2	0x6c
+
+static const snd_kcontrol_new_t ucb1400_snd_ac97_controls[] = {
+	AC97_SINGLE("Tone Control - Bass", AC97_UCB1400_FCSR1, 11, 4, 0),
+	AC97_SINGLE("Tone Control - Treble", AC97_UCB1400_FCSR1, 9, 2, 0),
+	AC97_SINGLE("Headphone Playback Switch", AC97_UCB1400_FCSR1, 6, 1, 0),
+	AC97_SINGLE("De-emphasis", AC97_UCB1400_FCSR1, 5, 1, 0),
+	AC97_SINGLE("DC Filter", AC97_UCB1400_FCSR1, 4, 1, 0),
+	AC97_SINGLE("Hi-pass Filter", AC97_UCB1400_FCSR1, 3, 1, 0),
+	AC97_SINGLE("ADC Filter", AC97_UCB1400_FCSR2, 12, 1, 0),
+};
+
+int patch_ucb1400(ac97_t * ac97)
+{
+	int err, i;
 
+	for(i = 0; i < ARRAY_SIZE(ucb1400_snd_ac97_controls); i++) {
+		if((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&ucb1400_snd_ac97_controls[i], ac97))) < 0)
+			return err;
+	}
+
+	snd_ac97_write_cache(ac97,  AC97_UCB1400_FCSR1,
+			(0 << 11) |     // 0 base boost
+			(0 << 9)  |     // 0 treble boost
+			(0 << 7)  |     // Mode = flat
+			(1 << 6)  |     // Headphones enable
+			(0 << 5)  |     // De-emphasis disabled
+			(1 << 4)  |     // DC filter enabled
+			(1 << 3)  |     // Hi-pass filter enabled
+			(0 << 2)  |     // disable interrupt signalling via GPIO_INT
+			(1 << 0)        // clear ADC overflow status if set
+		);
+
+	snd_ac97_write_cache(ac97, AC97_UCB1400_FCSR2,
+			(0 << 15) |     // must be 0
+			(0 << 13) |     // must be 0
+			(1 << 12) |     // ADC filter enabled
+			(0 << 10) |     // must be 0
+			(0 << 4)  |     // Smart low power mode on neither Codec nor PLL
+			(0 << 0)        // must be 0
+		);
+
+	return 0;
+}
+
+/*
 /*
  * May 2, 2003 Liam Girdwood <liam.girdwood@wolfsonmicro.com>
  *  removed broken wolfson00 patch.
Index: linux-2.6.17-rc5/sound/pci/ac97/ac97_patch.h
===================================================================
--- linux-2.6.17-rc5.orig/sound/pci/ac97/ac97_patch.h
+++ linux-2.6.17-rc5/sound/pci/ac97/ac97_patch.h
@@ -58,5 +58,6 @@ int patch_cm9780(struct snd_ac97 * ac97)
 int patch_vt1616(struct snd_ac97 * ac97);
 int patch_vt1617a(struct snd_ac97 * ac97);
 int patch_it2646(struct snd_ac97 * ac97);
+int patch_ucb1400(ac97_t * ac97);
 int mpatch_si3036(struct snd_ac97 * ac97);
 int patch_lm4550(struct snd_ac97 * ac97);