diff --git a/sound/pci/oxygen/Makefile b/sound/pci/oxygen/Makefile
index 0f87265..8f4c409 100644
--- a/sound/pci/oxygen/Makefile
+++ b/sound/pci/oxygen/Makefile
@@ -1,5 +1,5 @@
 snd-oxygen-lib-objs := oxygen_io.o oxygen_lib.o oxygen_mixer.o oxygen_pcm.o
-snd-oxygen-objs := oxygen.o xonar_dg.o
+snd-oxygen-objs := oxygen.o xonar_dg_mixer.o xonar_dg.o
 snd-virtuoso-objs := virtuoso.o xonar_lib.o \
 	xonar_pcm179x.o xonar_cs43xx.o xonar_wm87x6.o xonar_hdmi.o
 
diff --git a/sound/pci/oxygen/xonar_dg.c b/sound/pci/oxygen/xonar_dg.c
index 4a42665..d12d835 100644
--- a/sound/pci/oxygen/xonar_dg.c
+++ b/sound/pci/oxygen/xonar_dg.c
@@ -123,7 +123,7 @@
 	return 0;
 }
 
-static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
+void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
 {
 	struct dg *data = chip->model_data;
 
@@ -138,7 +138,7 @@
 	data->cs4245_shadow[reg] = value;
 }
 
-static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
+void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
 {
 	struct dg *data = chip->model_data;
 
@@ -178,7 +178,7 @@
 	snd_component_add(chip->card, "CS4245");
 }
 
-static void dg_init(struct oxygen *chip)
+void dg_init(struct oxygen *chip)
 {
 	struct dg *data = chip->model_data;
 
@@ -195,24 +195,24 @@
 		       GPIO_OUTPUT_ENABLE | GPIO_INPUT_ROUTE);
 }
 
-static void dg_cleanup(struct oxygen *chip)
+void dg_cleanup(struct oxygen *chip)
 {
 	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 }
 
-static void dg_suspend(struct oxygen *chip)
+void dg_suspend(struct oxygen *chip)
 {
 	dg_cleanup(chip);
 }
 
-static void dg_resume(struct oxygen *chip)
+void dg_resume(struct oxygen *chip)
 {
 	cs4245_shadow_control(chip, CS4245_LOAD_FROM_SHADOW);
 	msleep(2500);
 	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 }
 
-static void set_cs4245_dac_params(struct oxygen *chip,
+void set_cs4245_dac_params(struct oxygen *chip,
 				  struct snd_pcm_hw_params *params)
 {
 	struct dg *data = chip->model_data;
@@ -237,7 +237,7 @@
 	cs4245_write_spi(chip, CS4245_MCLK_FREQ);
 }
 
-static void set_cs4245_adc_params(struct oxygen *chip,
+void set_cs4245_adc_params(struct oxygen *chip,
 				  struct snd_pcm_hw_params *params)
 {
 	struct dg *data = chip->model_data;
@@ -262,7 +262,7 @@
 	cs4245_write_spi(chip, CS4245_MCLK_FREQ);
 }
 
-static unsigned int adjust_dg_dac_routing(struct oxygen *chip,
+unsigned int adjust_dg_dac_routing(struct oxygen *chip,
 					  unsigned int play_routing)
 {
 	struct dg *data = chip->model_data;
@@ -287,333 +287,7 @@
 	return routing;
 }
 
-static int output_switch_info(struct snd_kcontrol *ctl,
-			      struct snd_ctl_elem_info *info)
-{
-	static const char *const names[3] = {
-		"Speakers", "Headphones", "FP Headphones"
-	};
-
-	return snd_ctl_enum_info(info, 1, 3, names);
-}
-
-static int output_switch_get(struct snd_kcontrol *ctl,
-			     struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-
-	mutex_lock(&chip->mutex);
-	value->value.enumerated.item[0] = data->output_sel;
-	mutex_unlock(&chip->mutex);
-	return 0;
-}
-
-static int output_switch_put(struct snd_kcontrol *ctl,
-			     struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	u8 reg;
-	int changed;
-
-	if (value->value.enumerated.item[0] > 2)
-		return -EINVAL;
-
-	mutex_lock(&chip->mutex);
-	changed = value->value.enumerated.item[0] != data->output_sel;
-	if (changed) {
-		data->output_sel = value->value.enumerated.item[0];
-
-		reg = data->cs4245_shadow[CS4245_SIGNAL_SEL] &
-						~CS4245_A_OUT_SEL_MASK;
-		reg |= data->output_sel == 2 ?
-				CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
-		cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
-
-		cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
-				    data->output_sel ? data->hp_vol_att : 0);
-		cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
-				    data->output_sel ? data->hp_vol_att : 0);
-
-		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
-				      data->output_sel == 1 ? GPIO_HP_REAR : 0,
-				      GPIO_HP_REAR);
-	}
-	mutex_unlock(&chip->mutex);
-	return changed;
-}
-
-static int hp_volume_offset_info(struct snd_kcontrol *ctl,
-				 struct snd_ctl_elem_info *info)
-{
-	static const char *const names[3] = {
-		"< 64 ohms", "64-150 ohms", "150-300 ohms"
-	};
-
-	return snd_ctl_enum_info(info, 1, 3, names);
-}
-
-static int hp_volume_offset_get(struct snd_kcontrol *ctl,
-				struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-
-	mutex_lock(&chip->mutex);
-	if (data->hp_vol_att > 2 * 7)
-		value->value.enumerated.item[0] = 0;
-	else if (data->hp_vol_att > 0)
-		value->value.enumerated.item[0] = 1;
-	else
-		value->value.enumerated.item[0] = 2;
-	mutex_unlock(&chip->mutex);
-	return 0;
-}
-
-static int hp_volume_offset_put(struct snd_kcontrol *ctl,
-				struct snd_ctl_elem_value *value)
-{
-	static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	s8 att;
-	int changed;
-
-	if (value->value.enumerated.item[0] > 2)
-		return -EINVAL;
-	att = atts[value->value.enumerated.item[0]];
-	mutex_lock(&chip->mutex);
-	changed = att != data->hp_vol_att;
-	if (changed) {
-		data->hp_vol_att = att;
-		if (data->output_sel) {
-			cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
-			cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
-		}
-	}
-	mutex_unlock(&chip->mutex);
-	return changed;
-}
-
-static int input_vol_info(struct snd_kcontrol *ctl,
-			  struct snd_ctl_elem_info *info)
-{
-	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-	info->count = 2;
-	info->value.integer.min = 2 * -12;
-	info->value.integer.max = 2 * 12;
-	return 0;
-}
-
-static int input_vol_get(struct snd_kcontrol *ctl,
-			 struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	unsigned int idx = ctl->private_value;
-
-	mutex_lock(&chip->mutex);
-	value->value.integer.value[0] = data->input_vol[idx][0];
-	value->value.integer.value[1] = data->input_vol[idx][1];
-	mutex_unlock(&chip->mutex);
-	return 0;
-}
-
-static int input_vol_put(struct snd_kcontrol *ctl,
-			 struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	unsigned int idx = ctl->private_value;
-	int changed = 0;
-
-	if (value->value.integer.value[0] < 2 * -12 ||
-	    value->value.integer.value[0] > 2 * 12 ||
-	    value->value.integer.value[1] < 2 * -12 ||
-	    value->value.integer.value[1] > 2 * 12)
-		return -EINVAL;
-	mutex_lock(&chip->mutex);
-	changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
-		  data->input_vol[idx][1] != value->value.integer.value[1];
-	if (changed) {
-		data->input_vol[idx][0] = value->value.integer.value[0];
-		data->input_vol[idx][1] = value->value.integer.value[1];
-		if (idx == data->input_sel) {
-			cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
-					    data->input_vol[idx][0]);
-			cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
-					    data->input_vol[idx][1]);
-		}
-	}
-	mutex_unlock(&chip->mutex);
-	return changed;
-}
-
-static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
-
-static int input_sel_info(struct snd_kcontrol *ctl,
-			  struct snd_ctl_elem_info *info)
-{
-	static const char *const names[4] = {
-		"Mic", "Aux", "Front Mic", "Line"
-	};
-
-	return snd_ctl_enum_info(info, 1, 4, names);
-}
-
-static int input_sel_get(struct snd_kcontrol *ctl,
-			 struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-
-	mutex_lock(&chip->mutex);
-	value->value.enumerated.item[0] = data->input_sel;
-	mutex_unlock(&chip->mutex);
-	return 0;
-}
-
-static int input_sel_put(struct snd_kcontrol *ctl,
-			 struct snd_ctl_elem_value *value)
-{
-	static const u8 sel_values[4] = {
-		CS4245_SEL_MIC,
-		CS4245_SEL_INPUT_1,
-		CS4245_SEL_INPUT_2,
-		CS4245_SEL_INPUT_4
-	};
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	int changed;
-
-	if (value->value.enumerated.item[0] > 3)
-		return -EINVAL;
-
-	mutex_lock(&chip->mutex);
-	changed = value->value.enumerated.item[0] != data->input_sel;
-	if (changed) {
-		data->input_sel = value->value.enumerated.item[0];
-
-		cs4245_write(chip, CS4245_ANALOG_IN,
-			     (data->cs4245_shadow[CS4245_ANALOG_IN] &
-							~CS4245_SEL_MASK) |
-			     sel_values[data->input_sel]);
-
-		cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
-				    data->input_vol[data->input_sel][0]);
-		cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
-				    data->input_vol[data->input_sel][1]);
-
-		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
-				      data->input_sel ? 0 : GPIO_INPUT_ROUTE,
-				      GPIO_INPUT_ROUTE);
-	}
-	mutex_unlock(&chip->mutex);
-	return changed;
-}
-
-static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
-{
-	static const char *const names[2] = { "Active", "Frozen" };
-
-	return snd_ctl_enum_info(info, 1, 2, names);
-}
-
-static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-
-	value->value.enumerated.item[0] =
-		!!(data->cs4245_shadow[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
-	return 0;
-}
-
-static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	struct dg *data = chip->model_data;
-	u8 reg;
-	int changed;
-
-	mutex_lock(&chip->mutex);
-	reg = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
-	if (value->value.enumerated.item[0])
-		reg |= CS4245_HPF_FREEZE;
-	changed = reg != data->cs4245_shadow[CS4245_ADC_CTRL];
-	if (changed)
-		cs4245_write(chip, CS4245_ADC_CTRL, reg);
-	mutex_unlock(&chip->mutex);
-	return changed;
-}
-
-#define INPUT_VOLUME(xname, index) { \
-	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-	.name = xname, \
-	.info = input_vol_info, \
-	.get = input_vol_get, \
-	.put = input_vol_put, \
-	.tlv = { .p = cs4245_pga_db_scale }, \
-	.private_value = index, \
-}
-static const struct snd_kcontrol_new dg_controls[] = {
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Analog Output Playback Enum",
-		.info = output_switch_info,
-		.get = output_switch_get,
-		.put = output_switch_put,
-	},
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Headphones Impedance Playback Enum",
-		.info = hp_volume_offset_info,
-		.get = hp_volume_offset_get,
-		.put = hp_volume_offset_put,
-	},
-	INPUT_VOLUME("Mic Capture Volume", 0),
-	INPUT_VOLUME("Aux Capture Volume", 1),
-	INPUT_VOLUME("Front Mic Capture Volume", 2),
-	INPUT_VOLUME("Line Capture Volume", 3),
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "Capture Source",
-		.info = input_sel_info,
-		.get = input_sel_get,
-		.put = input_sel_put,
-	},
-	{
-		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = "ADC High-pass Filter Capture Enum",
-		.info = hpf_info,
-		.get = hpf_get,
-		.put = hpf_put,
-	},
-};
-
-static int dg_control_filter(struct snd_kcontrol_new *template)
-{
-	if (!strncmp(template->name, "Master Playback ", 16))
-		return 1;
-	return 0;
-}
-
-static int dg_mixer_init(struct oxygen *chip)
-{
-	unsigned int i;
-	int err;
-
-	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
-		err = snd_ctl_add(chip->card,
-				  snd_ctl_new1(&dg_controls[i], chip));
-		if (err < 0)
-			return err;
-	}
-	return 0;
-}
-
-static void dump_cs4245_registers(struct oxygen *chip,
+void dump_cs4245_registers(struct oxygen *chip,
 				  struct snd_info_buffer *buffer)
 {
 	struct dg *data = chip->model_data;
@@ -625,30 +299,3 @@
 		snd_iprintf(buffer, " %02x", data->cs4245_shadow[addr]);
 	snd_iprintf(buffer, "\n");
 }
-
-struct oxygen_model model_xonar_dg = {
-	.longname = "C-Media Oxygen HD Audio",
-	.chip = "CMI8786",
-	.init = dg_init,
-	.control_filter = dg_control_filter,
-	.mixer_init = dg_mixer_init,
-	.cleanup = dg_cleanup,
-	.suspend = dg_suspend,
-	.resume = dg_resume,
-	.set_dac_params = set_cs4245_dac_params,
-	.set_adc_params = set_cs4245_adc_params,
-	.adjust_dac_routing = adjust_dg_dac_routing,
-	.dump_registers = dump_cs4245_registers,
-	.model_data_size = sizeof(struct dg),
-	.device_config = PLAYBACK_0_TO_I2S |
-			 PLAYBACK_1_TO_SPDIF |
-			 CAPTURE_0_FROM_I2S_2 |
-			 CAPTURE_1_FROM_SPDIF,
-	.dac_channels_pcm = 6,
-	.dac_channels_mixer = 0,
-	.function_flags = OXYGEN_FUNCTION_SPI,
-	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
-	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
-	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-};
diff --git a/sound/pci/oxygen/xonar_dg.h b/sound/pci/oxygen/xonar_dg.h
index a9fba40..0941ca2 100644
--- a/sound/pci/oxygen/xonar_dg.h
+++ b/sound/pci/oxygen/xonar_dg.h
@@ -34,6 +34,25 @@
 	u8 hp_vol_att;
 };
 
+/* Xonar DG control routines */
+int cs4245_write_spi(struct oxygen *chip, u8 reg);
+int cs4245_read_spi(struct oxygen *chip, u8 reg);
+int cs4245_shadow_control(struct oxygen *chip, enum cs4245_shadow_operation op);
+void dg_init(struct oxygen *chip);
+void set_cs4245_dac_params(struct oxygen *chip,
+				  struct snd_pcm_hw_params *params);
+void set_cs4245_adc_params(struct oxygen *chip,
+				  struct snd_pcm_hw_params *params);
+unsigned int adjust_dg_dac_routing(struct oxygen *chip,
+					  unsigned int play_routing);
+void dump_cs4245_registers(struct oxygen *chip,
+				struct snd_info_buffer *buffer);
+void dg_suspend(struct oxygen *chip);
+void dg_resume(struct oxygen *chip);
+void dg_cleanup(struct oxygen *chip);
+void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value);
+void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value);
+
 extern struct oxygen_model model_xonar_dg;
 
 #endif
diff --git a/sound/pci/oxygen/xonar_dg_mixer.c b/sound/pci/oxygen/xonar_dg_mixer.c
new file mode 100644
index 0000000..a2cd0d3
--- /dev/null
+++ b/sound/pci/oxygen/xonar_dg_mixer.c
@@ -0,0 +1,381 @@
+/*
+ * Mixer controls for the Xonar DG/DGX
+ *
+ * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
+ * Copyright (c) Roman Volkov <v1ron@mail.ru>
+ *
+ *  This driver is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License, version 2.
+ *
+ *  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 driver; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/pcm.h>
+#include <sound/tlv.h>
+#include "oxygen.h"
+#include "xonar_dg.h"
+#include "cs4245.h"
+
+static int output_switch_info(struct snd_kcontrol *ctl,
+			      struct snd_ctl_elem_info *info)
+{
+	static const char *const names[3] = {
+		"Speakers", "Headphones", "FP Headphones"
+	};
+
+	return snd_ctl_enum_info(info, 1, 3, names);
+}
+
+static int output_switch_get(struct snd_kcontrol *ctl,
+			     struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+
+	mutex_lock(&chip->mutex);
+	value->value.enumerated.item[0] = data->output_sel;
+	mutex_unlock(&chip->mutex);
+	return 0;
+}
+
+static int output_switch_put(struct snd_kcontrol *ctl,
+			     struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	u8 reg;
+	int changed;
+
+	if (value->value.enumerated.item[0] > 2)
+		return -EINVAL;
+
+	mutex_lock(&chip->mutex);
+	changed = value->value.enumerated.item[0] != data->output_sel;
+	if (changed) {
+		data->output_sel = value->value.enumerated.item[0];
+
+		reg = data->cs4245_shadow[CS4245_SIGNAL_SEL] &
+						~CS4245_A_OUT_SEL_MASK;
+		reg |= data->output_sel == 2 ?
+				CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
+		cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
+
+		cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
+				    data->output_sel ? data->hp_vol_att : 0);
+		cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
+				    data->output_sel ? data->hp_vol_att : 0);
+
+		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+				      data->output_sel == 1 ? GPIO_HP_REAR : 0,
+				      GPIO_HP_REAR);
+	}
+	mutex_unlock(&chip->mutex);
+	return changed;
+}
+
+static int hp_volume_offset_info(struct snd_kcontrol *ctl,
+				 struct snd_ctl_elem_info *info)
+{
+	static const char *const names[3] = {
+		"< 64 ohms", "64-150 ohms", "150-300 ohms"
+	};
+
+	return snd_ctl_enum_info(info, 1, 3, names);
+}
+
+static int hp_volume_offset_get(struct snd_kcontrol *ctl,
+				struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+
+	mutex_lock(&chip->mutex);
+	if (data->hp_vol_att > 2 * 7)
+		value->value.enumerated.item[0] = 0;
+	else if (data->hp_vol_att > 0)
+		value->value.enumerated.item[0] = 1;
+	else
+		value->value.enumerated.item[0] = 2;
+	mutex_unlock(&chip->mutex);
+	return 0;
+}
+
+static int hp_volume_offset_put(struct snd_kcontrol *ctl,
+				struct snd_ctl_elem_value *value)
+{
+	static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	s8 att;
+	int changed;
+
+	if (value->value.enumerated.item[0] > 2)
+		return -EINVAL;
+	att = atts[value->value.enumerated.item[0]];
+	mutex_lock(&chip->mutex);
+	changed = att != data->hp_vol_att;
+	if (changed) {
+		data->hp_vol_att = att;
+		if (data->output_sel) {
+			cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
+			cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
+		}
+	}
+	mutex_unlock(&chip->mutex);
+	return changed;
+}
+
+static int input_vol_info(struct snd_kcontrol *ctl,
+			  struct snd_ctl_elem_info *info)
+{
+	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	info->count = 2;
+	info->value.integer.min = 2 * -12;
+	info->value.integer.max = 2 * 12;
+	return 0;
+}
+
+static int input_vol_get(struct snd_kcontrol *ctl,
+			 struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	unsigned int idx = ctl->private_value;
+
+	mutex_lock(&chip->mutex);
+	value->value.integer.value[0] = data->input_vol[idx][0];
+	value->value.integer.value[1] = data->input_vol[idx][1];
+	mutex_unlock(&chip->mutex);
+	return 0;
+}
+
+static int input_vol_put(struct snd_kcontrol *ctl,
+			 struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	unsigned int idx = ctl->private_value;
+	int changed = 0;
+
+	if (value->value.integer.value[0] < 2 * -12 ||
+	    value->value.integer.value[0] > 2 * 12 ||
+	    value->value.integer.value[1] < 2 * -12 ||
+	    value->value.integer.value[1] > 2 * 12)
+		return -EINVAL;
+	mutex_lock(&chip->mutex);
+	changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
+		  data->input_vol[idx][1] != value->value.integer.value[1];
+	if (changed) {
+		data->input_vol[idx][0] = value->value.integer.value[0];
+		data->input_vol[idx][1] = value->value.integer.value[1];
+		if (idx == data->input_sel) {
+			cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
+					    data->input_vol[idx][0]);
+			cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
+					    data->input_vol[idx][1]);
+		}
+	}
+	mutex_unlock(&chip->mutex);
+	return changed;
+}
+
+static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
+
+static int input_sel_info(struct snd_kcontrol *ctl,
+			  struct snd_ctl_elem_info *info)
+{
+	static const char *const names[4] = {
+		"Mic", "Aux", "Front Mic", "Line"
+	};
+
+	return snd_ctl_enum_info(info, 1, 4, names);
+}
+
+static int input_sel_get(struct snd_kcontrol *ctl,
+			 struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+
+	mutex_lock(&chip->mutex);
+	value->value.enumerated.item[0] = data->input_sel;
+	mutex_unlock(&chip->mutex);
+	return 0;
+}
+
+static int input_sel_put(struct snd_kcontrol *ctl,
+			 struct snd_ctl_elem_value *value)
+{
+	static const u8 sel_values[4] = {
+		CS4245_SEL_MIC,
+		CS4245_SEL_INPUT_1,
+		CS4245_SEL_INPUT_2,
+		CS4245_SEL_INPUT_4
+	};
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	int changed;
+
+	if (value->value.enumerated.item[0] > 3)
+		return -EINVAL;
+
+	mutex_lock(&chip->mutex);
+	changed = value->value.enumerated.item[0] != data->input_sel;
+	if (changed) {
+		data->input_sel = value->value.enumerated.item[0];
+
+		cs4245_write(chip, CS4245_ANALOG_IN,
+			     (data->cs4245_shadow[CS4245_ANALOG_IN] &
+							~CS4245_SEL_MASK) |
+			     sel_values[data->input_sel]);
+
+		cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
+				    data->input_vol[data->input_sel][0]);
+		cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
+				    data->input_vol[data->input_sel][1]);
+
+		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+				      data->input_sel ? 0 : GPIO_INPUT_ROUTE,
+				      GPIO_INPUT_ROUTE);
+	}
+	mutex_unlock(&chip->mutex);
+	return changed;
+}
+
+static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
+{
+	static const char *const names[2] = { "Active", "Frozen" };
+
+	return snd_ctl_enum_info(info, 1, 2, names);
+}
+
+static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+
+	value->value.enumerated.item[0] =
+		!!(data->cs4245_shadow[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
+	return 0;
+}
+
+static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	struct dg *data = chip->model_data;
+	u8 reg;
+	int changed;
+
+	mutex_lock(&chip->mutex);
+	reg = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
+	if (value->value.enumerated.item[0])
+		reg |= CS4245_HPF_FREEZE;
+	changed = reg != data->cs4245_shadow[CS4245_ADC_CTRL];
+	if (changed)
+		cs4245_write(chip, CS4245_ADC_CTRL, reg);
+	mutex_unlock(&chip->mutex);
+	return changed;
+}
+
+#define INPUT_VOLUME(xname, index) { \
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.info = input_vol_info, \
+	.get = input_vol_get, \
+	.put = input_vol_put, \
+	.tlv = { .p = cs4245_pga_db_scale }, \
+	.private_value = index, \
+}
+static const struct snd_kcontrol_new dg_controls[] = {
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "Analog Output Playback Enum",
+		.info = output_switch_info,
+		.get = output_switch_get,
+		.put = output_switch_put,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "Headphones Impedance Playback Enum",
+		.info = hp_volume_offset_info,
+		.get = hp_volume_offset_get,
+		.put = hp_volume_offset_put,
+	},
+	INPUT_VOLUME("Mic Capture Volume", 0),
+	INPUT_VOLUME("Aux Capture Volume", 1),
+	INPUT_VOLUME("Front Mic Capture Volume", 2),
+	INPUT_VOLUME("Line Capture Volume", 3),
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "Capture Source",
+		.info = input_sel_info,
+		.get = input_sel_get,
+		.put = input_sel_put,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "ADC High-pass Filter Capture Enum",
+		.info = hpf_info,
+		.get = hpf_get,
+		.put = hpf_put,
+	},
+};
+
+static int dg_control_filter(struct snd_kcontrol_new *template)
+{
+	if (!strncmp(template->name, "Master Playback ", 16))
+		return 1;
+	return 0;
+}
+
+static int dg_mixer_init(struct oxygen *chip)
+{
+	unsigned int i;
+	int err;
+
+	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
+		err = snd_ctl_add(chip->card,
+				  snd_ctl_new1(&dg_controls[i], chip));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+struct oxygen_model model_xonar_dg = {
+	.longname = "C-Media Oxygen HD Audio",
+	.chip = "CMI8786",
+	.init = dg_init,
+	.control_filter = dg_control_filter,
+	.mixer_init = dg_mixer_init,
+	.cleanup = dg_cleanup,
+	.suspend = dg_suspend,
+	.resume = dg_resume,
+	.set_dac_params = set_cs4245_dac_params,
+	.set_adc_params = set_cs4245_adc_params,
+	.adjust_dac_routing = adjust_dg_dac_routing,
+	.dump_registers = dump_cs4245_registers,
+	.model_data_size = sizeof(struct dg),
+	.device_config = PLAYBACK_0_TO_I2S |
+			 PLAYBACK_1_TO_SPDIF |
+			 CAPTURE_0_FROM_I2S_2 |
+			 CAPTURE_1_FROM_SPDIF,
+	.dac_channels_pcm = 6,
+	.dac_channels_mixer = 0,
+	.function_flags = OXYGEN_FUNCTION_SPI,
+	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
+	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
+	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};