Merge branch 'topic/hda' into for-linus

3 files changed, 745 insertions, 33 deletions

diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
index 703d954238f4..2dad40f3f622 100644
--- a/sound/i2c/other/Makefile
+++ b/sound/i2c/other/Makefile
@@ -5,6 +5,7 @@
 
 snd-ak4114-objs := ak4114.o
 snd-ak4117-objs := ak4117.o
+snd-ak4113-objs := ak4113.o
 snd-ak4xxx-adda-objs := ak4xxx-adda.o
 snd-pt2258-objs := pt2258.o
 snd-tea575x-tuner-objs := tea575x-tuner.o
@@ -12,5 +13,5 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
 # Module Dependency
 obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
 obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o
+obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
 obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c
new file mode 100644
index 000000000000..fff62cc8607c
--- /dev/null
+++ b/sound/i2c/other/ak4113.c
@@ -0,0 +1,639 @@
+/*
+ *  Routines for control of the AK4113 via I2C/4-wire serial interface
+ *  IEC958 (S/PDIF) receiver by Asahi Kasei
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *  Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com>
+ *
+ *
+ *   This program 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 program 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/slab.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/ak4113.h>
+#include <sound/asoundef.h>
+#include <sound/info.h>
+
+MODULE_AUTHOR("Pavel Hofman <pavel.hofman@ivitera.com>");
+MODULE_DESCRIPTION("AK4113 IEC958 (S/PDIF) receiver by Asahi Kasei");
+MODULE_LICENSE("GPL");
+
+#define AK4113_ADDR                     0x00 /* fixed address */
+
+static void ak4113_stats(struct work_struct *work);
+static void ak4113_init_regs(struct ak4113 *chip);
+
+
+static void reg_write(struct ak4113 *ak4113, unsigned char reg,
+                unsigned char val)
+{
+        ak4113->write(ak4113->private_data, reg, val);
+        if (reg < sizeof(ak4113->regmap))
+                ak4113->regmap[reg] = val;
+}
+
+static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
+{
+        return ak4113->read(ak4113->private_data, reg);
+}
+
+static void snd_ak4113_free(struct ak4113 *chip)
+{
+        chip->init = 1; /* don't schedule new work */
+        mb();
+        cancel_delayed_work(&chip->work);
+        flush_scheduled_work();
+        kfree(chip);
+}
+
+static int snd_ak4113_dev_free(struct snd_device *device)
+{
+        struct ak4113 *chip = device->device_data;
+        snd_ak4113_free(chip);
+        return 0;
+}
+
+int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
+                ak4113_write_t *write, const unsigned char pgm[5],
+                void *private_data, struct ak4113 **r_ak4113)
+{
+        struct ak4113 *chip;
+        int err = 0;
+        unsigned char reg;
+        static struct snd_device_ops ops = {
+                .dev_free =     snd_ak4113_dev_free,
+        };
+
+        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+        if (chip == NULL)
+                return -ENOMEM;
+        spin_lock_init(&chip->lock);
+        chip->card = card;
+        chip->read = read;
+        chip->write = write;
+        chip->private_data = private_data;
+        INIT_DELAYED_WORK(&chip->work, ak4113_stats);
+
+        for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
+                chip->regmap[reg] = pgm[reg];
+        ak4113_init_regs(chip);
+
+        chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT |
+                        AK4113_CINT | AK4113_STC);
+        chip->rcs1 = reg_read(chip, AK4113_REG_RCS1);
+        chip->rcs2 = reg_read(chip, AK4113_REG_RCS2);
+        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+        if (err < 0)
+                goto __fail;
+
+        if (r_ak4113)
+                *r_ak4113 = chip;
+        return 0;
+
+__fail:
+        snd_ak4113_free(chip);
+        return err < 0 ? err : -EIO;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_create);
+
+void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg,
+                unsigned char mask, unsigned char val)
+{
+        if (reg >= AK4113_WRITABLE_REGS)
+                return;
+        reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_reg_write);
+
+static void ak4113_init_regs(struct ak4113 *chip)
+{
+        unsigned char old = chip->regmap[AK4113_REG_PWRDN], reg;
+
+        /* bring the chip to reset state and powerdown state */
+        reg_write(chip, AK4113_REG_PWRDN, old & ~(AK4113_RST|AK4113_PWN));
+        udelay(200);
+        /* release reset, but leave powerdown */
+        reg_write(chip, AK4113_REG_PWRDN, (old | AK4113_RST) & ~AK4113_PWN);
+        udelay(200);
+        for (reg = 1; reg < AK4113_WRITABLE_REGS; reg++)
+                reg_write(chip, reg, chip->regmap[reg]);
+        /* release powerdown, everything is initialized now */
+        reg_write(chip, AK4113_REG_PWRDN, old | AK4113_RST | AK4113_PWN);
+}
+
+void snd_ak4113_reinit(struct ak4113 *chip)
+{
+        chip->init = 1;
+        mb();
+        flush_scheduled_work();
+        ak4113_init_regs(chip);
+        /* bring up statistics / event queing */
+        chip->init = 0;
+        if (chip->kctls[0])
+                schedule_delayed_work(&chip->work, HZ / 10);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
+
+static unsigned int external_rate(unsigned char rcs1)
+{
+        switch (rcs1 & (AK4113_FS0|AK4113_FS1|AK4113_FS2|AK4113_FS3)) {
+        case AK4113_FS_8000HZ:
+                return 8000;
+        case AK4113_FS_11025HZ:
+                return 11025;
+        case AK4113_FS_16000HZ:
+                return 16000;
+        case AK4113_FS_22050HZ:
+                return 22050;
+        case AK4113_FS_24000HZ:
+                return 24000;
+        case AK4113_FS_32000HZ:
+                return 32000;
+        case AK4113_FS_44100HZ:
+                return 44100;
+        case AK4113_FS_48000HZ:
+                return 48000;
+        case AK4113_FS_64000HZ:
+                return 64000;
+        case AK4113_FS_88200HZ:
+                return 88200;
+        case AK4113_FS_96000HZ:
+                return 96000;
+        case AK4113_FS_176400HZ:
+                return 176400;
+        case AK4113_FS_192000HZ:
+                return 192000;
+        default:
+                return 0;
+        }
+}
+
+static int snd_ak4113_in_error_info(struct snd_kcontrol *kcontrol,
+                                    struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = LONG_MAX;
+        return 0;
+}
+
+static int snd_ak4113_in_error_get(struct snd_kcontrol *kcontrol,
+                                   struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        long *ptr;
+
+        spin_lock_irq(&chip->lock);
+        ptr = (long *)(((char *)chip) + kcontrol->private_value);
+        ucontrol->value.integer.value[0] = *ptr;
+        *ptr = 0;
+        spin_unlock_irq(&chip->lock);
+        return 0;
+}
+
+#define snd_ak4113_in_bit_info          snd_ctl_boolean_mono_info
+
+static int snd_ak4113_in_bit_get(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        unsigned char reg = kcontrol->private_value & 0xff;
+        unsigned char bit = (kcontrol->private_value >> 8) & 0xff;
+        unsigned char inv = (kcontrol->private_value >> 31) & 1;
+
+        ucontrol->value.integer.value[0] =
+                ((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv;
+        return 0;
+}
+
+static int snd_ak4113_rx_info(struct snd_kcontrol *kcontrol,
+                              struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 5;
+        return 0;
+}
+
+static int snd_ak4113_rx_get(struct snd_kcontrol *kcontrol,
+                             struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] =
+                (AK4113_IPS(chip->regmap[AK4113_REG_IO1]));
+        return 0;
+}
+
+static int snd_ak4113_rx_put(struct snd_kcontrol *kcontrol,
+                             struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        int change;
+        u8 old_val;
+
+        spin_lock_irq(&chip->lock);
+        old_val = chip->regmap[AK4113_REG_IO1];
+        change = ucontrol->value.integer.value[0] != AK4113_IPS(old_val);
+        if (change)
+                reg_write(chip, AK4113_REG_IO1,
+                                (old_val & (~AK4113_IPS(0xff))) |
+                                (AK4113_IPS(ucontrol->value.integer.value[0])));
+        spin_unlock_irq(&chip->lock);
+        return change;
+}
+
+static int snd_ak4113_rate_info(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 192000;
+        return 0;
+}
+
+static int snd_ak4113_rate_get(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] = external_rate(reg_read(chip,
+                                AK4113_REG_RCS1));
+        return 0;
+}
+
+static int snd_ak4113_spdif_info(struct snd_kcontrol *kcontrol,
+                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+        uinfo->count = 1;
+        return 0;
+}
+
+static int snd_ak4113_spdif_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        unsigned i;
+
+        for (i = 0; i < AK4113_REG_RXCSB_SIZE; i++)
+                ucontrol->value.iec958.status[i] = reg_read(chip,
+                                AK4113_REG_RXCSB0 + i);
+        return 0;
+}
+
+static int snd_ak4113_spdif_mask_info(struct snd_kcontrol *kcontrol,
+                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+        uinfo->count = 1;
+        return 0;
+}
+
+static int snd_ak4113_spdif_mask_get(struct snd_kcontrol *kcontrol,
+                                      struct snd_ctl_elem_value *ucontrol)
+{
+        memset(ucontrol->value.iec958.status, 0xff, AK4113_REG_RXCSB_SIZE);
+        return 0;
+}
+
+static int snd_ak4113_spdif_pinfo(struct snd_kcontrol *kcontrol,
+                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 0xffff;
+        uinfo->count = 4;
+        return 0;
+}
+
+static int snd_ak4113_spdif_pget(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        unsigned short tmp;
+
+        ucontrol->value.integer.value[0] = 0xf8f2;
+        ucontrol->value.integer.value[1] = 0x4e1f;
+        tmp = reg_read(chip, AK4113_REG_Pc0) |
+                (reg_read(chip, AK4113_REG_Pc1) << 8);
+        ucontrol->value.integer.value[2] = tmp;
+        tmp = reg_read(chip, AK4113_REG_Pd0) |
+                (reg_read(chip, AK4113_REG_Pd1) << 8);
+        ucontrol->value.integer.value[3] = tmp;
+        return 0;
+}
+
+static int snd_ak4113_spdif_qinfo(struct snd_kcontrol *kcontrol,
+                struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+        uinfo->count = AK4113_REG_QSUB_SIZE;
+        return 0;
+}
+
+static int snd_ak4113_spdif_qget(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+        struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+        unsigned i;
+
+        for (i = 0; i < AK4113_REG_QSUB_SIZE; i++)
+                ucontrol->value.bytes.data[i] = reg_read(chip,
+                                AK4113_REG_QSUB_ADDR + i);
+        return 0;
+}
+
+/* Don't forget to change AK4113_CONTROLS define!!! */
+static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = {
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Parity Errors",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_error_info,
+        .get =          snd_ak4113_in_error_get,
+        .private_value = offsetof(struct ak4113, parity_errors),
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 V-Bit Errors",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_error_info,
+        .get =          snd_ak4113_in_error_get,
+        .private_value = offsetof(struct ak4113, v_bit_errors),
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 C-CRC Errors",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_error_info,
+        .get =          snd_ak4113_in_error_get,
+        .private_value = offsetof(struct ak4113, ccrc_errors),
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Q-CRC Errors",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_error_info,
+        .get =          snd_ak4113_in_error_get,
+        .private_value = offsetof(struct ak4113, qcrc_errors),
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 External Rate",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_rate_info,
+        .get =          snd_ak4113_rate_get,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ,
+        .info =         snd_ak4113_spdif_mask_info,
+        .get =          snd_ak4113_spdif_mask_get,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_spdif_info,
+        .get =          snd_ak4113_spdif_get,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Preample Capture Default",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_spdif_pinfo,
+        .get =          snd_ak4113_spdif_pget,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Q-subcode Capture Default",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_spdif_qinfo,
+        .get =          snd_ak4113_spdif_qget,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Audio",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_bit_info,
+        .get =          snd_ak4113_in_bit_get,
+        .private_value = (1<<31) | (1<<8) | AK4113_REG_RCS0,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 Non-PCM Bitstream",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_bit_info,
+        .get =          snd_ak4113_in_bit_get,
+        .private_value = (0<<8) | AK4113_REG_RCS1,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "IEC958 DTS Bitstream",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+        .info =         snd_ak4113_in_bit_info,
+        .get =          snd_ak4113_in_bit_get,
+        .private_value = (1<<8) | AK4113_REG_RCS1,
+},
+{
+        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+        .name =         "AK4113 Input Select",
+        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
+                SNDRV_CTL_ELEM_ACCESS_WRITE,
+        .info =         snd_ak4113_rx_info,
+        .get =          snd_ak4113_rx_get,
+        .put =          snd_ak4113_rx_put,
+}
+};
+
+static void snd_ak4113_proc_regs_read(struct snd_info_entry *entry,
+                struct snd_info_buffer *buffer)
+{
+        struct ak4113 *ak4113 = entry->private_data;
+        int reg, val;
+        /* all ak4113 registers 0x00 - 0x1c */
+        for (reg = 0; reg < 0x1d; reg++) {
+                val = reg_read(ak4113, reg);
+                snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
+        }
+}
+
+static void snd_ak4113_proc_init(struct ak4113 *ak4113)
+{
+        struct snd_info_entry *entry;
+        if (!snd_card_proc_new(ak4113->card, "ak4113", &entry))
+                snd_info_set_text_ops(entry, ak4113, snd_ak4113_proc_regs_read);
+}
+
+int snd_ak4113_build(struct ak4113 *ak4113,
+                struct snd_pcm_substream *cap_substream)
+{
+        struct snd_kcontrol *kctl;
+        unsigned int idx;
+        int err;
+
+        if (snd_BUG_ON(!cap_substream))
+                return -EINVAL;
+        ak4113->substream = cap_substream;
+        for (idx = 0; idx < AK4113_CONTROLS; idx++) {
+                kctl = snd_ctl_new1(&snd_ak4113_iec958_controls[idx], ak4113);
+                if (kctl == NULL)
+                        return -ENOMEM;
+                kctl->id.device = cap_substream->pcm->device;
+                kctl->id.subdevice = cap_substream->number;
+                err = snd_ctl_add(ak4113->card, kctl);
+                if (err < 0)
+                        return err;
+                ak4113->kctls[idx] = kctl;
+        }
+        snd_ak4113_proc_init(ak4113);
+        /* trigger workq */
+        schedule_delayed_work(&ak4113->work, HZ / 10);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_build);
+
+int snd_ak4113_external_rate(struct ak4113 *ak4113)
+{
+        unsigned char rcs1;
+
+        rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
+        return external_rate(rcs1);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_external_rate);
+
+int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags)
+{
+        struct snd_pcm_runtime *runtime =
+                ak4113->substream ? ak4113->substream->runtime : NULL;
+        unsigned long _flags;
+        int res = 0;
+        unsigned char rcs0, rcs1, rcs2;
+        unsigned char c0, c1;
+
+        rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
+        if (flags & AK4113_CHECK_NO_STAT)
+                goto __rate;
+        rcs0 = reg_read(ak4113, AK4113_REG_RCS0);
+        rcs2 = reg_read(ak4113, AK4113_REG_RCS2);
+        spin_lock_irqsave(&ak4113->lock, _flags);
+        if (rcs0 & AK4113_PAR)
+                ak4113->parity_errors++;
+        if (rcs0 & AK4113_V)
+                ak4113->v_bit_errors++;
+        if (rcs2 & AK4113_CCRC)
+                ak4113->ccrc_errors++;
+        if (rcs2 & AK4113_QCRC)
+                ak4113->qcrc_errors++;
+        c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
+                                AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)) ^
+                (rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
+                         AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK));
+        c1 = (ak4113->rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
+                                AK4113_DAT | 0xf0)) ^
+                (rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
+                         AK4113_DAT | 0xf0));
+        ak4113->rcs0 = rcs0 & ~(AK4113_QINT | AK4113_CINT | AK4113_STC);
+        ak4113->rcs1 = rcs1;
+        ak4113->rcs2 = rcs2;
+        spin_unlock_irqrestore(&ak4113->lock, _flags);
+
+        if (rcs0 & AK4113_PAR)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[0]->id);
+        if (rcs0 & AK4113_V)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[1]->id);
+        if (rcs2 & AK4113_CCRC)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[2]->id);
+        if (rcs2 & AK4113_QCRC)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[3]->id);
+
+        /* rate change */
+        if (c1 & 0xf0)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[4]->id);
+
+        if ((c1 & AK4113_PEM) | (c0 & AK4113_CINT))
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[6]->id);
+        if (c0 & AK4113_QINT)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[8]->id);
+
+        if (c0 & AK4113_AUDION)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[9]->id);
+        if (c1 & AK4113_NPCM)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[10]->id);
+        if (c1 & AK4113_DTSCD)
+                snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+                                &ak4113->kctls[11]->id);
+
+        if (ak4113->change_callback && (c0 | c1) != 0)
+                ak4113->change_callback(ak4113, c0, c1);
+
+__rate:
+        /* compare rate */
+        res = external_rate(rcs1);
+        if (!(flags & AK4113_CHECK_NO_RATE) && runtime &&
+                        (runtime->rate != res)) {
+                snd_pcm_stream_lock_irqsave(ak4113->substream, _flags);
+                if (snd_pcm_running(ak4113->substream)) {
+                        /*printk(KERN_DEBUG "rate changed (%i <- %i)\n",
+                         * runtime->rate, res); */
+                        snd_pcm_stop(ak4113->substream,
+                                        SNDRV_PCM_STATE_DRAINING);
+                        wake_up(&runtime->sleep);
+                        res = 1;
+                }
+                snd_pcm_stream_unlock_irqrestore(ak4113->substream, _flags);
+        }
+        return res;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_check_rate_and_errors);
+
+static void ak4113_stats(struct work_struct *work)
+{
+        struct ak4113 *chip = container_of(work, struct ak4113, work.work);
+
+        if (!chip->init)
+                snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
+
+        schedule_delayed_work(&chip->work, HZ / 10);
+}
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index ee47abab764e..1adb8a3c2b62 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -19,7 +19,7 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
- */      
+ */
 
 #include <asm/io.h>
 #include <linux/delay.h>
@@ -29,6 +29,7 @@
 #include <sound/control.h>
 #include <sound/tlv.h>
 #include <sound/ak4xxx-adda.h>
+#include <sound/info.h>
 
 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>");
 MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
@@ -52,26 +53,21 @@ EXPORT_SYMBOL(snd_akm4xxx_write);
 static void ak4524_reset(struct snd_akm4xxx *ak, int state)
 {
         unsigned int chip;
-        unsigned char reg, maxreg;
+        unsigned char reg;
 
-        if (ak->type == SND_AK4528)
-                maxreg = 0x06;
-        else
-                maxreg = 0x08;
         for (chip = 0; chip < ak->num_dacs/2; chip++) {
                 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
                 if (state)
                         continue;
                 /* DAC volumes */
-                for (reg = 0x04; reg < maxreg; reg++)
+                for (reg = 0x04; reg < ak->total_regs; reg++)
                         snd_akm4xxx_write(ak, chip, reg,
                                           snd_akm4xxx_get(ak, chip, reg));
         }
 }
 
 /* reset procedure for AK4355 and AK4358 */
-static void ak435X_reset(struct snd_akm4xxx *ak, int state,
-                unsigned char total_regs)
+static void ak435X_reset(struct snd_akm4xxx *ak, int state)
 {
         unsigned char reg;
 
@@ -79,7 +75,7 @@ static void ak435X_reset(struct snd_akm4xxx *ak, int state,
                 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
                 return;
         }
-        for (reg = 0x00; reg < total_regs; reg++)
+        for (reg = 0x00; reg < ak->total_regs; reg++)
                 if (reg != 0x01)
                         snd_akm4xxx_write(ak, 0, reg,
                                           snd_akm4xxx_get(ak, 0, reg));
@@ -91,12 +87,11 @@ static void ak4381_reset(struct snd_akm4xxx *ak, int state)
 {
         unsigned int chip;
         unsigned char reg;
-
         for (chip = 0; chip < ak->num_dacs/2; chip++) {
                 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
                 if (state)
                         continue;
-                for (reg = 0x01; reg < 0x05; reg++)
+                for (reg = 0x01; reg < ak->total_regs; reg++)
                         snd_akm4xxx_write(ak, chip, reg,
                                           snd_akm4xxx_get(ak, chip, reg));
         }
@@ -113,16 +108,17 @@ void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
         switch (ak->type) {
         case SND_AK4524:
         case SND_AK4528:
+        case SND_AK4620:
                 ak4524_reset(ak, state);
                 break;
         case SND_AK4529:
                 /* FIXME: needed for ak4529? */
                 break;
         case SND_AK4355:
-                ak435X_reset(ak, state, 0x0b);
+                ak435X_reset(ak, state);
                 break;
         case SND_AK4358:
-                ak435X_reset(ak, state, 0x10);
+                ak435X_reset(ak, state);
                 break;
         case SND_AK4381:
                 ak4381_reset(ak, state);
@@ -139,7 +135,7 @@ EXPORT_SYMBOL(snd_akm4xxx_reset);
  * Volume conversion table for non-linear volumes
  * from -63.5dB (mute) to 0dB step 0.5dB
  *
- * Used for AK4524 input/ouput attenuation, AK4528, and
+ * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and
  * AK5365 input attenuation
  */
 static const unsigned char vol_cvt_datt[128] = {
@@ -259,8 +255,22 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
                 0x00, 0x0f, /* 0: power-up, un-reset */
                 0xff, 0xff
         };
+        static const unsigned char inits_ak4620[] = {
+                0x00, 0x07, /* 0: normal */
+                0x01, 0x00, /* 0: reset */
+                0x01, 0x02, /* 1: RSTAD */
+                0x01, 0x03, /* 1: RSTDA */
+                0x01, 0x0f, /* 1: normal */
+                0x02, 0x60, /* 2: 24bit I2S */
+                0x03, 0x01, /* 3: deemphasis off */
+                0x04, 0x00, /* 4: LIN muted */
+                0x05, 0x00, /* 5: RIN muted */
+                0x06, 0x00, /* 6: LOUT muted */
+                0x07, 0x00, /* 7: ROUT muted */
+                0xff, 0xff
+        };
 
-        int chip, num_chips;
+        int chip;
         const unsigned char *ptr, *inits;
         unsigned char reg, data;
 
@@ -270,42 +280,64 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
         switch (ak->type) {
         case SND_AK4524:
                 inits = inits_ak4524;
-                num_chips = ak->num_dacs / 2;
+                ak->num_chips = ak->num_dacs / 2;
+                ak->name = "ak4524";
+                ak->total_regs = 0x08;
                 break;
         case SND_AK4528:
                 inits = inits_ak4528;
-                num_chips = ak->num_dacs / 2;
+                ak->num_chips = ak->num_dacs / 2;
+                ak->name = "ak4528";
+                ak->total_regs = 0x06;
                 break;
         case SND_AK4529:
                 inits = inits_ak4529;
-                num_chips = 1;
+                ak->num_chips = 1;
+                ak->name = "ak4529";
+                ak->total_regs = 0x0d;
                 break;
         case SND_AK4355:
                 inits = inits_ak4355;
-                num_chips = 1;
+                ak->num_chips = 1;
+                ak->name = "ak4355";
+                ak->total_regs = 0x0b;
                 break;
         case SND_AK4358:
                 inits = inits_ak4358;
-                num_chips = 1;
+                ak->num_chips = 1;
+                ak->name = "ak4358";
+                ak->total_regs = 0x10;
                 break;
         case SND_AK4381:
                 inits = inits_ak4381;
-                num_chips = ak->num_dacs / 2;
+                ak->num_chips = ak->num_dacs / 2;
+                ak->name = "ak4381";
+                ak->total_regs = 0x05;
                 break;
         case SND_AK5365:
                 /* FIXME: any init sequence? */
+                ak->num_chips = 1;
+                ak->name = "ak5365";
+                ak->total_regs = 0x08;
                 return;
+        case SND_AK4620:
+                inits = inits_ak4620;
+                ak->num_chips = ak->num_dacs / 2;
+                ak->name = "ak4620";
+                ak->total_regs = 0x08;
+                break;
         default:
                 snd_BUG();
                 return;
         }
 
-        for (chip = 0; chip < num_chips; chip++) {
+        for (chip = 0; chip < ak->num_chips; chip++) {
                 ptr = inits;
                 while (*ptr != 0xff) {
                         reg = *ptr++;
                         data = *ptr++;
                         snd_akm4xxx_write(ak, chip, reg, data);
+                        udelay(10);
                 }
         }
 }
@@ -688,6 +720,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
                                 AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
                         knew.tlv.p = db_scale_linear;
                         break;
+                case SND_AK4620:
+                        /* register 6 & 7 */
+                        knew.private_value =
+                                AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255);
+                        knew.tlv.p = db_scale_linear;
+                        break;
                 default:
                         return -EINVAL;
                 }
@@ -704,10 +742,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
 
 static int build_adc_controls(struct snd_akm4xxx *ak)
 {
-        int idx, err, mixer_ch, num_stereo;
+        int idx, err, mixer_ch, num_stereo, max_steps;
         struct snd_kcontrol_new knew;
 
         mixer_ch = 0;
+        if (ak->type == SND_AK4528)
+                return 0;       /* no controls */
         for (idx = 0; idx < ak->num_adcs;) {
                 memset(&knew, 0, sizeof(knew));
                 if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
@@ -733,13 +773,12 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
                 }
                 /* register 4 & 5 */
                 if (ak->type == SND_AK5365)
-                        knew.private_value =
-                                AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
-                                AK_VOL_CVT | AK_IPGA;
+                        max_steps = 152;
                 else
-                        knew.private_value =
-                                AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
-                                AK_VOL_CVT | AK_IPGA;
+                        max_steps = 164;
+                knew.private_value =
+                        AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) |
+                        AK_VOL_CVT | AK_IPGA;
                 knew.tlv.p = db_scale_vol_datt;
                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
                 if (err < 0)
@@ -808,6 +847,7 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
                 switch (ak->type) {
                 case SND_AK4524:
                 case SND_AK4528:
+                case SND_AK4620:
                         /* register 3 */
                         knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
                         break;
@@ -834,6 +874,35 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
         return 0;
 }
 
+#ifdef CONFIG_PROC_FS
+static void proc_regs_read(struct snd_info_entry *entry,
+                struct snd_info_buffer *buffer)
+{
+        struct snd_akm4xxx *ak = (struct snd_akm4xxx *)entry->private_data;
+        int reg, val, chip;
+        for (chip = 0; chip < ak->num_chips; chip++) {
+                for (reg = 0; reg < ak->total_regs; reg++) {
+                        val =  snd_akm4xxx_get(ak, chip, reg);
+                        snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip,
+                                        reg, val);
+                }
+        }
+}
+
+static int proc_init(struct snd_akm4xxx *ak)
+{
+        struct snd_info_entry *entry;
+        int err;
+        err = snd_card_proc_new(ak->card, ak->name, &entry);
+        if (err < 0)
+                return err;
+        snd_info_set_text_ops(entry, ak, proc_regs_read);
+        return 0;
+}
+#else /* !CONFIG_PROC_FS */
+static int proc_init(struct snd_akm4xxx *ak) {}
+#endif
+
 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
 {
         int err, num_emphs;
@@ -845,18 +914,21 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
         err = build_adc_controls(ak);
         if (err < 0)
                 return err;
-
         if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
                 num_emphs = 1;
+        else if (ak->type == SND_AK4620)
+                num_emphs = 0;
         else
                 num_emphs = ak->num_dacs / 2;
         err = build_deemphasis(ak, num_emphs);
         if (err < 0)
                 return err;
+        err = proc_init(ak);
+        if (err < 0)
+                return err;
 
         return 0;
 }
-        
 EXPORT_SYMBOL(snd_akm4xxx_build_controls);
 
 static int __init alsa_akm4xxx_module_init(void)