ALSA: hda - Add Creative CA0110-IBG support

Added the support for Creative SB X-Fi boards with UAA (HD-audio) mode.
In the HD-audio mode, no multiple streams are supported by just it
behaves like a normal HD-audio device.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

5 files changed, 597 insertions, 0 deletions

diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index eb2a19b..c710150 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -139,6 +139,19 @@ config SND_HDA_CODEC_CONEXANT
 	  snd-hda-codec-conexant.
 	  This module is automatically loaded at probing.
 
+config SND_HDA_CODEC_CA0110
+	bool "Build Creative CA0110-IBG codec support"
+	depends on SND_HDA_INTEL
+	default y
+	help
+	  Say Y here to include Creative CA0110-IBG codec support in
+	  snd-hda-intel driver, found on some Creative X-Fi cards.
+
+	  When the HD-audio driver is built as a module, the codec
+	  support code is also built as another module,
+	  snd-hda-codec-ca0110.
+	  This module is automatically loaded at probing.
+
 config SND_HDA_CODEC_CMEDIA
 	bool "Build C-Media HD-audio codec support"
 	default y
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 50f9d09..e3081d4 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -13,6 +13,7 @@ snd-hda-codec-analog-objs :=	patch_analog.o
 snd-hda-codec-idt-objs :=	patch_sigmatel.o
 snd-hda-codec-si3054-objs :=	patch_si3054.o
 snd-hda-codec-atihdmi-objs :=	patch_atihdmi.o
+snd-hda-codec-ca0110-objs :=	patch_ca0110.o
 snd-hda-codec-conexant-objs :=	patch_conexant.o
 snd-hda-codec-via-objs :=	patch_via.o
 snd-hda-codec-nvhdmi-objs :=	patch_nvhdmi.o
@@ -40,6 +41,9 @@ endif
 ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
 obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-atihdmi.o
 endif
+ifdef CONFIG_SND_HDA_CODEC_CA0110
+obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-ca0110.o
+endif
 ifdef CONFIG_SND_HDA_CODEC_CONEXANT
 obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-conexant.o
 endif
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index fd6e6f3..37f24ce 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -48,6 +48,7 @@ static struct hda_vendor_id hda_vendor_ids[] = {
 	{ 0x1095, "Silicon Image" },
 	{ 0x10de, "Nvidia" },
 	{ 0x10ec, "Realtek" },
+	{ 0x1102, "Creative" },
 	{ 0x1106, "VIA" },
 	{ 0x111d, "IDT" },
 	{ 0x11c1, "LSI" },
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 21e99cf..21a3092 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2513,6 +2513,11 @@ static struct pci_device_id azx_ids[] = {
 	{ PCI_DEVICE(0x10de, 0x0d97), .driver_data = AZX_DRIVER_NVIDIA },
 	/* Teradici */
 	{ PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
+	/* Creative X-Fi (CA0110-IBG) */
+	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
+	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
+	  .class_mask = 0xffffff,
+	  .driver_data = AZX_DRIVER_GENERIC },
 	/* AMD Generic, PCI class code and Vendor ID for HD Audio */
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
diff --git a/sound/pci/hda/patch_ca0110.c b/sound/pci/hda/patch_ca0110.c
new file mode 100644
index 0000000..7ec41da
--- /dev/null
+++ b/sound/pci/hda/patch_ca0110.c
@@ -0,0 +1,574 @@
+/*
+ * HD audio interface patch for Creative X-Fi CA0110-IBG chip
+ *
+ * Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This driver is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+
+/*
+ */
+
+struct ca0110_spec {
+	struct auto_pin_cfg autocfg;
+	struct hda_multi_out multiout;
+	hda_nid_t out_pins[AUTO_CFG_MAX_OUTS];
+	hda_nid_t dacs[AUTO_CFG_MAX_OUTS];
+	hda_nid_t hp_dac;
+	hda_nid_t input_pins[AUTO_PIN_LAST];
+	hda_nid_t adcs[AUTO_PIN_LAST];
+	hda_nid_t dig_out;
+	hda_nid_t dig_in;
+	unsigned int num_inputs;
+	const char *input_labels[AUTO_PIN_LAST];
+	struct hda_pcm pcm_rec[2];	/* PCM information */
+};
+
+/*
+ * PCM callbacks
+ */
+static int ca0110_playback_pcm_open(struct hda_pcm_stream *hinfo,
+				    struct hda_codec *codec,
+				    struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
+					     hinfo);
+}
+
+static int ca0110_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
+				       struct hda_codec *codec,
+				       unsigned int stream_tag,
+				       unsigned int format,
+				       struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_analog_prepare(codec, &spec->multiout,
+						stream_tag, format, substream);
+}
+
+static int ca0110_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
+				       struct hda_codec *codec,
+				       struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
+}
+
+/*
+ * Digital out
+ */
+static int ca0110_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
+					struct hda_codec *codec,
+					struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
+}
+
+static int ca0110_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
+					 struct hda_codec *codec,
+					 struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
+}
+
+static int ca0110_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
+					   struct hda_codec *codec,
+					   unsigned int stream_tag,
+					   unsigned int format,
+					   struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
+					     format, substream);
+}
+
+/*
+ * Analog capture
+ */
+static int ca0110_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
+				      struct hda_codec *codec,
+				      unsigned int stream_tag,
+				      unsigned int format,
+				      struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+
+	snd_hda_codec_setup_stream(codec, spec->adcs[substream->number],
+				   stream_tag, 0, format);
+	return 0;
+}
+
+static int ca0110_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
+				      struct hda_codec *codec,
+				      struct snd_pcm_substream *substream)
+{
+	struct ca0110_spec *spec = codec->spec;
+
+	snd_hda_codec_cleanup_stream(codec, spec->adcs[substream->number]);
+	return 0;
+}
+
+/*
+ */
+
+static char *dirstr[2] = { "Playback", "Capture" };
+
+static int _add_switch(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
+		       int chan, int dir)
+{
+	char namestr[44];
+	int type = dir ? HDA_INPUT : HDA_OUTPUT;
+	struct snd_kcontrol_new knew =
+		HDA_CODEC_MUTE_MONO(namestr, nid, chan, 0, type);
+	sprintf(namestr, "%s %s Switch", pfx, dirstr[dir]);
+	return snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec));
+}
+
+static int _add_volume(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
+		       int chan, int dir)
+{
+	char namestr[44];
+	int type = dir ? HDA_INPUT : HDA_OUTPUT;
+	struct snd_kcontrol_new knew =
+		HDA_CODEC_VOLUME_MONO(namestr, nid, chan, 0, type);
+	sprintf(namestr, "%s %s Volume", pfx, dirstr[dir]);
+	return snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec));
+}
+
+#define add_out_switch(codec, nid, pfx)	_add_switch(codec, nid, pfx, 3, 0)
+#define add_out_volume(codec, nid, pfx)	_add_volume(codec, nid, pfx, 3, 0)
+#define add_in_switch(codec, nid, pfx)	_add_switch(codec, nid, pfx, 3, 1)
+#define add_in_volume(codec, nid, pfx)	_add_volume(codec, nid, pfx, 3, 1)
+#define add_mono_switch(codec, nid, pfx, chan) \
+	_add_switch(codec, nid, pfx, chan, 0)
+#define add_mono_volume(codec, nid, pfx, chan) \
+	_add_volume(codec, nid, pfx, chan, 0)
+
+static int ca0110_build_controls(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+	static char *prefix[AUTO_CFG_MAX_OUTS] = {
+		"Front", "Surround", NULL, "Side", "Multi"
+	};
+	hda_nid_t mutenid;
+	int i, err;
+
+	for (i = 0; i < spec->multiout.num_dacs; i++) {
+		if (get_wcaps(codec, spec->out_pins[i]) & AC_WCAP_OUT_AMP)
+			mutenid = spec->out_pins[i];
+		else
+			mutenid = spec->multiout.dac_nids[i];
+		if (!prefix[i]) {
+			err = add_mono_switch(codec, mutenid,
+					      "Center", 1);
+			if (err < 0)
+				return err;
+			err = add_mono_switch(codec, mutenid,
+					      "LFE", 1);
+			if (err < 0)
+				return err;
+			err = add_mono_volume(codec, spec->multiout.dac_nids[i],
+					      "Center", 1);
+			if (err < 0)
+				return err;
+			err = add_mono_volume(codec, spec->multiout.dac_nids[i],
+					      "LFE", 1);
+			if (err < 0)
+				return err;
+		} else {
+			err = add_out_switch(codec, mutenid,
+					     prefix[i]);
+			if (err < 0)
+				return err;
+			err = add_out_volume(codec, spec->multiout.dac_nids[i],
+					 prefix[i]);
+			if (err < 0)
+				return err;
+		}
+	}
+	if (cfg->hp_outs) {
+		if (get_wcaps(codec, cfg->hp_pins[0]) & AC_WCAP_OUT_AMP)
+			mutenid = cfg->hp_pins[0];
+		else
+			mutenid = spec->multiout.dac_nids[i];
+
+		err = add_out_switch(codec, mutenid, "Headphone");
+		if (err < 0)
+			return err;
+		if (spec->hp_dac) {
+			err = add_out_volume(codec, spec->hp_dac, "Headphone");
+			if (err < 0)
+				return err;
+		}
+	}
+	for (i = 0; i < spec->num_inputs; i++) {
+		const char *label = spec->input_labels[i];
+		if (get_wcaps(codec, spec->input_pins[i]) & AC_WCAP_IN_AMP)
+			mutenid = spec->input_pins[i];
+		else
+			mutenid = spec->adcs[i];
+		err = add_in_switch(codec, mutenid, label);
+		if (err < 0)
+			return err;
+		err = add_in_volume(codec, spec->adcs[i], label);
+		if (err < 0)
+			return err;
+	}
+
+	if (spec->dig_out) {
+		err = snd_hda_create_spdif_out_ctls(codec, spec->dig_out);
+		if (err < 0)
+			return err;
+		err = snd_hda_create_spdif_share_sw(codec, &spec->multiout);
+		if (err < 0)
+			return err;
+		spec->multiout.share_spdif = 1;
+	}
+	if (spec->dig_in) {
+		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in);
+		if (err < 0)
+			return err;
+		err = add_in_volume(codec, spec->dig_in, "IEC958");
+	}
+	return 0;
+}
+
+/*
+ */
+static struct hda_pcm_stream ca0110_pcm_analog_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 8,
+	.ops = {
+		.open = ca0110_playback_pcm_open,
+		.prepare = ca0110_playback_pcm_prepare,
+		.cleanup = ca0110_playback_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream ca0110_pcm_analog_capture = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+	.ops = {
+		.prepare = ca0110_capture_pcm_prepare,
+		.cleanup = ca0110_capture_pcm_cleanup
+	},
+};
+
+static struct hda_pcm_stream ca0110_pcm_digital_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+	.ops = {
+		.open = ca0110_dig_playback_pcm_open,
+		.close = ca0110_dig_playback_pcm_close,
+		.prepare = ca0110_dig_playback_pcm_prepare
+	},
+};
+
+static struct hda_pcm_stream ca0110_pcm_digital_capture = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+};
+
+static int ca0110_build_pcms(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct hda_pcm *info = spec->pcm_rec;
+
+	codec->pcm_info = info;
+	codec->num_pcms = 0;
+
+	info->name = "CA0110 Analog";
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ca0110_pcm_analog_playback;
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dacs[0];
+	info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
+		spec->multiout.num_dacs * 2;
+	info->stream[SNDRV_PCM_STREAM_CAPTURE] = ca0110_pcm_analog_capture;
+	info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = spec->num_inputs;
+	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adcs[0];
+	codec->num_pcms++;
+
+	if (!spec->dig_out && !spec->dig_in)
+		return 0;
+
+	info++;
+	info->name = "CA0110 Digital";
+	info->pcm_type = HDA_PCM_TYPE_SPDIF;
+	if (spec->dig_out) {
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
+			ca0110_pcm_digital_playback;
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dig_out;
+	}
+	if (spec->dig_in) {
+		info->stream[SNDRV_PCM_STREAM_CAPTURE] =
+			ca0110_pcm_digital_capture;
+		info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in;
+	}
+	codec->num_pcms++;
+
+	return 0;
+}
+
+static void init_output(struct hda_codec *codec, hda_nid_t pin, hda_nid_t dac)
+{
+	if (pin) {
+		snd_hda_codec_write(codec, pin, 0,
+				    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP);
+		if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
+			snd_hda_codec_write(codec, pin, 0,
+					    AC_VERB_SET_AMP_GAIN_MUTE,
+					    AMP_OUT_UNMUTE);
+	}
+	if (dac)
+		snd_hda_codec_write(codec, dac, 0,
+				    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO);
+}
+
+static void init_input(struct hda_codec *codec, hda_nid_t pin, hda_nid_t adc)
+{
+	if (pin) {
+		snd_hda_codec_write(codec, pin, 0,
+				    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80);
+		if (get_wcaps(codec, pin) & AC_WCAP_IN_AMP)
+			snd_hda_codec_write(codec, pin, 0,
+					    AC_VERB_SET_AMP_GAIN_MUTE,
+					    AMP_IN_UNMUTE(0));
+	}
+	if (adc)
+		snd_hda_codec_write(codec, adc, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+				    AMP_IN_UNMUTE(0));
+}
+
+static int ca0110_init(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+	int i;
+
+	for (i = 0; i < spec->multiout.num_dacs; i++)
+		init_output(codec, spec->out_pins[i],
+			    spec->multiout.dac_nids[i]);
+	init_output(codec, cfg->hp_pins[0], spec->hp_dac);
+	init_output(codec, cfg->dig_out_pins[0], spec->dig_out);
+
+	for (i = 0; i < spec->num_inputs; i++)
+		init_input(codec, spec->input_pins[i], spec->adcs[i]);
+	init_input(codec, cfg->dig_in_pin, spec->dig_in);
+	return 0;
+}
+
+static void ca0110_free(struct hda_codec *codec)
+{
+	kfree(codec->spec);
+}
+
+static struct hda_codec_ops ca0110_patch_ops = {
+	.build_controls = ca0110_build_controls,
+	.build_pcms = ca0110_build_pcms,
+	.init = ca0110_init,
+	.free = ca0110_free,
+};
+
+
+static void parse_line_outs(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+	int i, n;
+	unsigned int def_conf;
+	hda_nid_t nid;
+
+	n = 0;
+	for (i = 0; i < cfg->line_outs; i++) {
+		nid = cfg->line_out_pins[i];
+		def_conf = snd_hda_codec_read(codec, nid, 0,
+					      AC_VERB_GET_CONFIG_DEFAULT, 0);
+		if (!def_conf)
+			continue; /* invalid pin */
+		if (snd_hda_get_connections(codec, nid, &spec->dacs[i], 1) != 1)
+			continue;
+		spec->out_pins[n++] = nid;
+	}
+	spec->multiout.dac_nids = spec->dacs;
+	spec->multiout.num_dacs = n;
+}
+
+static void parse_hp_out(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+	int i;
+	unsigned int def_conf;
+	hda_nid_t nid, dac;
+
+	if (!cfg->hp_outs)
+		return;
+	nid = cfg->hp_pins[0];
+	def_conf = snd_hda_codec_read(codec, nid, 0,
+				      AC_VERB_GET_CONFIG_DEFAULT, 0);
+	if (!def_conf) {
+		cfg->hp_outs = 0;
+		return;
+	}
+	if (snd_hda_get_connections(codec, nid, &dac, 1) != 1)
+		return;
+
+	for (i = 0; i < cfg->line_outs; i++)
+		if (dac == spec->dacs[i])
+			break;
+	if (i >= cfg->line_outs) {
+		spec->hp_dac = dac;
+		spec->multiout.hp_nid = dac;
+	}
+}
+
+static void parse_input(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+	hda_nid_t nid, pin;
+	int n, i, j;
+
+	n = 0;
+	nid = codec->start_nid;
+	for (i = 0; i < codec->num_nodes; i++, nid++) {
+		unsigned int wcaps = get_wcaps(codec, nid);
+		unsigned int type = (wcaps & AC_WCAP_TYPE) >>
+			AC_WCAP_TYPE_SHIFT;
+		if (type != AC_WID_AUD_IN)
+			continue;
+		if (snd_hda_get_connections(codec, nid, &pin, 1) != 1)
+			continue;
+		if (pin == cfg->dig_in_pin) {
+			spec->dig_in = nid;
+			continue;
+		}
+		for (j = 0; j < AUTO_PIN_LAST; j++)
+			if (cfg->input_pins[j] == pin)
+				break;
+		if (j >= AUTO_PIN_LAST)
+			continue;
+		spec->input_pins[n] = pin;
+		spec->input_labels[n] = auto_pin_cfg_labels[j];
+		spec->adcs[n] = nid;
+		n++;
+	}
+	spec->num_inputs = n;
+}
+
+static void parse_digital(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
+
+	if (cfg->dig_outs &&
+	    snd_hda_get_connections(codec, cfg->dig_out_pins[0],
+				    &spec->dig_out, 1) == 1)
+		spec->multiout.dig_out_nid = cfg->dig_out_pins[0];
+}
+
+static int ca0110_parse_auto_config(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec = codec->spec;
+	int err;
+
+	err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL);
+	if (err < 0)
+		return err;
+
+	parse_line_outs(codec);
+	parse_hp_out(codec);
+	parse_digital(codec);
+	parse_input(codec);
+	return 0;
+}
+
+
+int patch_ca0110(struct hda_codec *codec)
+{
+	struct ca0110_spec *spec;
+	int err;
+
+	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (!spec)
+		return -ENOMEM;
+	codec->spec = spec;
+
+	codec->bus->needs_damn_long_delay = 1;
+
+	err = ca0110_parse_auto_config(codec);
+	if (err < 0)
+		goto error;
+
+	codec->patch_ops = ca0110_patch_ops;
+
+	return 0;
+
+ error:
+	kfree(codec->spec);
+	codec->spec = NULL;
+	return err;
+}
+
+
+/*
+ * patch entries
+ */
+static struct hda_codec_preset snd_hda_preset_ca0110[] = {
+	{ .id = 0x1102000a, .name = "CA0110-IBG", .patch = patch_ca0110 },
+	{ .id = 0x1102000b, .name = "CA0110-IBG", .patch = patch_ca0110 },
+	{ .id = 0x1102000d, .name = "SB0880 X-Fi", .patch = patch_ca0110 },
+	{} /* terminator */
+};
+
+MODULE_ALIAS("snd-hda-codec-id:1102000a");
+MODULE_ALIAS("snd-hda-codec-id:1102000b");
+MODULE_ALIAS("snd-hda-codec-id:1102000d");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");
+
+static struct hda_codec_preset_list ca0110_list = {
+	.preset = snd_hda_preset_ca0110,
+	.owner = THIS_MODULE,
+};
+
+static int __init patch_ca0110_init(void)
+{
+	return snd_hda_add_codec_preset(&ca0110_list);
+}
+
+static void __exit patch_ca0110_exit(void)
+{
+	snd_hda_delete_codec_preset(&ca0110_list);
+}
+
+module_init(patch_ca0110_init)
+module_exit(patch_ca0110_exit)