20 files changed, 571 insertions, 23 deletions

diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index e4d76a270c9f..579fc0dce128 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -2625,16 +2625,19 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
         int err;
 
         snd_azf3328_dbgcallenter();
-        if (dev >= SNDRV_CARDS)
-                return -ENODEV;
+        if (dev >= SNDRV_CARDS) {
+                err = -ENODEV;
+                goto out;
+        }
         if (!enable[dev]) {
                 dev++;
-                return -ENOENT;
+                err = -ENOENT;
+                goto out;
         }
 
         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
         if (err < 0)
-                return err;
+                goto out;
 
         strcpy(card->driver, "AZF3328");
         strcpy(card->shortname, "Aztech AZF3328 (PCI168)");
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index aa376b59c006..5145b663ef6e 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -673,6 +673,7 @@ static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
 static int stac_vrefout_set(struct hda_codec *codec,
                                         hda_nid_t nid, unsigned int new_vref)
 {
@@ -696,6 +697,7 @@ static int stac_vrefout_set(struct hda_codec *codec,
 
         return 1;
 }
+#endif
 
 static unsigned int stac92xx_vref_set(struct hda_codec *codec,
                                         hda_nid_t nid, unsigned int new_vref)
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index 38f38fddd190..d0003cc3bcd6 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -778,11 +778,19 @@ static int __devexit wm8750_spi_remove(struct spi_device *spi)
         return 0;
 }
 
+static const struct spi_device_id wm8750_spi_ids[] = {
+        { "wm8750", 0 },
+        { "wm8987", 0 },
+        { },
+};
+MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
+
 static struct spi_driver wm8750_spi_driver = {
         .driver = {
                 .name   = "wm8750-codec",
                 .owner  = THIS_MODULE,
         },
+        .id_table       = wm8750_spi_ids,
         .probe          = wm8750_spi_probe,
         .remove         = __devexit_p(wm8750_spi_remove),
 };
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 43e3d760766f..4ad8ebd290e3 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -2046,8 +2046,13 @@ static int wm8903_probe(struct snd_soc_codec *codec)
 /* power down chip */
 static int wm8903_remove(struct snd_soc_codec *codec)
 {
+        struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+
         wm8903_free_gpio(codec);
         wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
+        if (wm8903->irq)
+                free_irq(wm8903->irq, codec);
+
         return 0;
 }
 
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 09e680ae88b2..b393f9fac97a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2981,6 +2981,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
                         wm8994->hubs.dcs_readback_mode = 1;
                         break;
                 }
+                break;
 
         case WM8958:
                 wm8994->hubs.dcs_readback_mode = 1;
diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
index 83d213bfd3d1..62e292f49313 100644
--- a/sound/soc/omap/n810.c
+++ b/sound/soc/omap/n810.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Jarkko Nikula <jhnikula@gmail.com>
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -402,6 +402,6 @@ static void __exit n810_soc_exit(void)
 module_init(n810_soc_init);
 module_exit(n810_soc_exit);
 
-MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>");
+MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>");
 MODULE_DESCRIPTION("ALSA SoC Nokia N810");
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 07b772357244..ebcc2d4d2b18 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Jarkko Nikula <jhnikula@gmail.com>
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -780,6 +780,6 @@ static void __exit snd_omap_mcbsp_exit(void)
 }
 module_exit(snd_omap_mcbsp_exit);
 
-MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>");
+MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>");
 MODULE_DESCRIPTION("OMAP I2S SoC Interface");
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h
index 9a7dedd6f5a9..65cde9d3807b 100644
--- a/sound/soc/omap/omap-mcbsp.h
+++ b/sound/soc/omap/omap-mcbsp.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Jarkko Nikula <jhnikula@gmail.com>
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
  *
  * This program is free software; you can redistribute it and/or
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index b2f5751edae3..9b5c88ac35b9 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Jarkko Nikula <jhnikula@gmail.com>
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -436,6 +436,6 @@ static void __exit snd_omap_pcm_exit(void)
 }
 module_exit(snd_omap_pcm_exit);
 
-MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>");
+MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>");
 MODULE_DESCRIPTION("OMAP PCM DMA module");
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/omap/omap-pcm.h b/sound/soc/omap/omap-pcm.h
index a0ed1dbb52d6..f95fe3064172 100644
--- a/sound/soc/omap/omap-pcm.h
+++ b/sound/soc/omap/omap-pcm.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Jarkko Nikula <jhnikula@gmail.com>
+ * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
  *
  * This program is free software; you can redistribute it and/or
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 0aae998b6540..893300a53bab 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -5,7 +5,7 @@
  *
  * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
  *          Eduardo Valentin <eduardo.valentin@nokia.com>
- *          Jarkko Nikula <jhnikula@gmail.com>
+ *          Jarkko Nikula <jarkko.nikula@bitmer.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
index 9eb3b12eb72f..8509d3c4366e 100644
--- a/sound/soc/samsung/Makefile
+++ b/sound/soc/samsung/Makefile
@@ -1,5 +1,6 @@
 # S3c24XX Platform Support
 snd-soc-s3c24xx-objs := dma.o
+snd-soc-idma-objs := idma.o
 snd-soc-s3c24xx-i2s-objs := s3c24xx-i2s.o
 snd-soc-s3c2412-i2s-objs := s3c2412-i2s.o
 snd-soc-ac97-objs := ac97.o
@@ -16,6 +17,7 @@ obj-$(CONFIG_SND_S3C_I2SV2_SOC) += snd-soc-s3c-i2s-v2.o
 obj-$(CONFIG_SND_SAMSUNG_SPDIF) += snd-soc-samsung-spdif.o
 obj-$(CONFIG_SND_SAMSUNG_PCM) += snd-soc-pcm.o
 obj-$(CONFIG_SND_SAMSUNG_I2S) += snd-soc-i2s.o
+obj-$(CONFIG_SND_SAMSUNG_I2S) += snd-soc-idma.o
 
 # S3C24XX Machine Support
 snd-soc-jive-wm8750-objs := jive_wm8750.o
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
new file mode 100644
index 000000000000..ebde0740ab19
--- /dev/null
+++ b/sound/soc/samsung/idma.c
@@ -0,0 +1,453 @@
+/*
+ * sound/soc/samsung/idma.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * I2S0's Internal DMA driver
+ *
+ * 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.
+ */
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "i2s.h"
+#include "idma.h"
+#include "dma.h"
+#include "i2s-regs.h"
+
+#define ST_RUNNING              (1<<0)
+#define ST_OPENED               (1<<1)
+
+static const struct snd_pcm_hardware idma_hardware = {
+        .info = SNDRV_PCM_INFO_INTERLEAVED |
+                    SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                    SNDRV_PCM_INFO_MMAP |
+                    SNDRV_PCM_INFO_MMAP_VALID |
+                    SNDRV_PCM_INFO_PAUSE |
+                    SNDRV_PCM_INFO_RESUME,
+        .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                    SNDRV_PCM_FMTBIT_U16_LE |
+                    SNDRV_PCM_FMTBIT_S24_LE |
+                    SNDRV_PCM_FMTBIT_U24_LE |
+                    SNDRV_PCM_FMTBIT_U8 |
+                    SNDRV_PCM_FMTBIT_S8,
+        .channels_min = 2,
+        .channels_max = 2,
+        .buffer_bytes_max = MAX_IDMA_BUFFER,
+        .period_bytes_min = 128,
+        .period_bytes_max = MAX_IDMA_PERIOD,
+        .periods_min = 1,
+        .periods_max = 2,
+};
+
+struct idma_ctrl {
+        spinlock_t      lock;
+        int             state;
+        dma_addr_t      start;
+        dma_addr_t      pos;
+        dma_addr_t      end;
+        dma_addr_t      period;
+        dma_addr_t      periodsz;
+        void            *token;
+        void            (*cb)(void *dt, int bytes_xfer);
+};
+
+static struct idma_info {
+        spinlock_t      lock;
+        void             __iomem  *regs;
+        dma_addr_t      lp_tx_addr;
+} idma;
+
+static void idma_getpos(dma_addr_t *src)
+{
+        *src = idma.lp_tx_addr +
+                (readl(idma.regs + I2STRNCNT) & 0xffffff) * 4;
+}
+
+static int idma_enqueue(struct snd_pcm_substream *substream)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+        u32 val;
+
+        spin_lock(&prtd->lock);
+        prtd->token = (void *) substream;
+        spin_unlock(&prtd->lock);
+
+        /* Internal DMA Level0 Interrupt Address */
+        val = idma.lp_tx_addr + prtd->periodsz;
+        writel(val, idma.regs + I2SLVL0ADDR);
+
+        /* Start address0 of I2S internal DMA operation. */
+        val = idma.lp_tx_addr;
+        writel(val, idma.regs + I2SSTR0);
+
+        /*
+         * Transfer block size for I2S internal DMA.
+         * Should decide transfer size before start dma operation
+         */
+        val = readl(idma.regs + I2SSIZE);
+        val &= ~(I2SSIZE_TRNMSK << I2SSIZE_SHIFT);
+        val |= (((runtime->dma_bytes >> 2) &
+                        I2SSIZE_TRNMSK) << I2SSIZE_SHIFT);
+        writel(val, idma.regs + I2SSIZE);
+
+        val = readl(idma.regs + I2SAHB);
+        val |= AHB_INTENLVL0;
+        writel(val, idma.regs + I2SAHB);
+
+        return 0;
+}
+
+static void idma_setcallbk(struct snd_pcm_substream *substream,
+                                void (*cb)(void *, int))
+{
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+
+        spin_lock(&prtd->lock);
+        prtd->cb = cb;
+        spin_unlock(&prtd->lock);
+}
+
+static void idma_control(int op)
+{
+        u32 val = readl(idma.regs + I2SAHB);
+
+        spin_lock(&idma.lock);
+
+        switch (op) {
+        case LPAM_DMA_START:
+                val |= (AHB_INTENLVL0 | AHB_DMAEN);
+                break;
+        case LPAM_DMA_STOP:
+                val &= ~(AHB_INTENLVL0 | AHB_DMAEN);
+                break;
+        default:
+                spin_unlock(&idma.lock);
+                return;
+        }
+
+        writel(val, idma.regs + I2SAHB);
+        spin_unlock(&idma.lock);
+}
+
+static void idma_done(void *id, int bytes_xfer)
+{
+        struct snd_pcm_substream *substream = id;
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+
+        if (prtd && (prtd->state & ST_RUNNING))
+                snd_pcm_period_elapsed(substream);
+}
+
+static int idma_hw_params(struct snd_pcm_substream *substream,
+                                struct snd_pcm_hw_params *params)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+        u32 mod = readl(idma.regs + I2SMOD);
+        u32 ahb = readl(idma.regs + I2SAHB);
+
+        ahb |= (AHB_DMARLD | AHB_INTMASK);
+        mod |= MOD_TXS_IDMA;
+        writel(ahb, idma.regs + I2SAHB);
+        writel(mod, idma.regs + I2SMOD);
+
+        snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+        runtime->dma_bytes = params_buffer_bytes(params);
+
+        prtd->start = prtd->pos = runtime->dma_addr;
+        prtd->period = params_periods(params);
+        prtd->periodsz = params_period_bytes(params);
+        prtd->end = runtime->dma_addr + runtime->dma_bytes;
+
+        idma_setcallbk(substream, idma_done);
+
+        return 0;
+}
+
+static int idma_hw_free(struct snd_pcm_substream *substream)
+{
+        snd_pcm_set_runtime_buffer(substream, NULL);
+
+        return 0;
+}
+
+static int idma_prepare(struct snd_pcm_substream *substream)
+{
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+
+        prtd->pos = prtd->start;
+
+        /* flush the DMA channel */
+        idma_control(LPAM_DMA_STOP);
+        idma_enqueue(substream);
+
+        return 0;
+}
+
+static int idma_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+        struct idma_ctrl *prtd = substream->runtime->private_data;
+        int ret = 0;
+
+        spin_lock(&prtd->lock);
+
+        switch (cmd) {
+        case SNDRV_PCM_TRIGGER_RESUME:
+        case SNDRV_PCM_TRIGGER_START:
+        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+                prtd->state |= ST_RUNNING;
+                idma_control(LPAM_DMA_START);
+                break;
+
+        case SNDRV_PCM_TRIGGER_SUSPEND:
+        case SNDRV_PCM_TRIGGER_STOP:
+        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+                prtd->state &= ~ST_RUNNING;
+                idma_control(LPAM_DMA_STOP);
+                break;
+
+        default:
+                ret = -EINVAL;
+                break;
+        }
+
+        spin_unlock(&prtd->lock);
+
+        return ret;
+}
+
+static snd_pcm_uframes_t
+        idma_pointer(struct snd_pcm_substream *substream)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct idma_ctrl *prtd = runtime->private_data;
+        dma_addr_t src;
+        unsigned long res;
+
+        spin_lock(&prtd->lock);
+
+        idma_getpos(&src);
+        res = src - prtd->start;
+
+        spin_unlock(&prtd->lock);
+
+        return bytes_to_frames(substream->runtime, res);
+}
+
+static int idma_mmap(struct snd_pcm_substream *substream,
+        struct vm_area_struct *vma)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        unsigned long size, offset;
+        int ret;
+
+        /* From snd_pcm_lib_mmap_iomem */
+        vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+        vma->vm_flags |= VM_IO;
+        size = vma->vm_end - vma->vm_start;
+        offset = vma->vm_pgoff << PAGE_SHIFT;
+        ret = io_remap_pfn_range(vma, vma->vm_start,
+                        (runtime->dma_addr + offset) >> PAGE_SHIFT,
+                        size, vma->vm_page_prot);
+
+        return ret;
+}
+
+static irqreturn_t iis_irq(int irqno, void *dev_id)
+{
+        struct idma_ctrl *prtd = (struct idma_ctrl *)dev_id;
+        u32 iiscon, iisahb, val, addr;
+
+        iisahb  = readl(idma.regs + I2SAHB);
+        iiscon  = readl(idma.regs + I2SCON);
+
+        val = (iisahb & AHB_LVL0INT) ? AHB_CLRLVL0INT : 0;
+
+        if (val) {
+                iisahb |= val;
+                writel(iisahb, idma.regs + I2SAHB);
+
+                addr = readl(idma.regs + I2SLVL0ADDR) - idma.lp_tx_addr;
+                addr += prtd->periodsz;
+                addr %= (prtd->end - prtd->start);
+                addr += idma.lp_tx_addr;
+
+                writel(addr, idma.regs + I2SLVL0ADDR);
+
+                if (prtd->cb)
+                        prtd->cb(prtd->token, prtd->period);
+        }
+
+        return IRQ_HANDLED;
+}
+
+static int idma_open(struct snd_pcm_substream *substream)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct idma_ctrl *prtd;
+        int ret;
+
+        snd_soc_set_runtime_hwparams(substream, &idma_hardware);
+
+        prtd = kzalloc(sizeof(struct idma_ctrl), GFP_KERNEL);
+        if (prtd == NULL)
+                return -ENOMEM;
+
+        ret = request_irq(IRQ_I2S0, iis_irq, 0, "i2s", prtd);
+        if (ret < 0) {
+                pr_err("fail to claim i2s irq , ret = %d\n", ret);
+                kfree(prtd);
+                return ret;
+        }
+
+        spin_lock_init(&prtd->lock);
+
+        runtime->private_data = prtd;
+
+        return 0;
+}
+
+static int idma_close(struct snd_pcm_substream *substream)
+{
+        struct snd_pcm_runtime *runtime = substream->runtime;
+        struct idma_ctrl *prtd = runtime->private_data;
+
+        free_irq(IRQ_I2S0, prtd);
+
+        if (!prtd)
+                pr_err("idma_close called with prtd == NULL\n");
+
+        kfree(prtd);
+
+        return 0;
+}
+
+static struct snd_pcm_ops idma_ops = {
+        .open           = idma_open,
+        .close          = idma_close,
+        .ioctl          = snd_pcm_lib_ioctl,
+        .trigger        = idma_trigger,
+        .pointer        = idma_pointer,
+        .mmap           = idma_mmap,
+        .hw_params      = idma_hw_params,
+        .hw_free        = idma_hw_free,
+        .prepare        = idma_prepare,
+};
+
+static void idma_free(struct snd_pcm *pcm)
+{
+        struct snd_pcm_substream *substream;
+        struct snd_dma_buffer *buf;
+
+        substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+        if (!substream)
+                return;
+
+        buf = &substream->dma_buffer;
+        if (!buf->area)
+                return;
+
+        iounmap(buf->area);
+
+        buf->area = NULL;
+        buf->addr = 0;
+}
+
+static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream)
+{
+        struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+        struct snd_dma_buffer *buf = &substream->dma_buffer;
+
+        buf->dev.dev = pcm->card->dev;
+        buf->private_data = NULL;
+
+        /* Assign PCM buffer pointers */
+        buf->dev.type = SNDRV_DMA_TYPE_CONTINUOUS;
+        buf->addr = idma.lp_tx_addr;
+        buf->bytes = idma_hardware.buffer_bytes_max;
+        buf->area = (unsigned char *)ioremap(buf->addr, buf->bytes);
+
+        return 0;
+}
+
+static u64 idma_mask = DMA_BIT_MASK(32);
+
+static int idma_new(struct snd_soc_pcm_runtime *rtd)
+{
+        struct snd_card *card = rtd->card->snd_card;
+        struct snd_soc_dai *dai = rtd->cpu_dai;
+        struct snd_pcm *pcm = rtd->pcm;
+        int ret = 0;
+
+        if (!card->dev->dma_mask)
+                card->dev->dma_mask = &idma_mask;
+        if (!card->dev->coherent_dma_mask)
+                card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+
+        if (dai->driver->playback.channels_min)
+                ret = preallocate_idma_buffer(pcm,
+                                SNDRV_PCM_STREAM_PLAYBACK);
+
+        return ret;
+}
+
+void idma_reg_addr_init(void *regs, dma_addr_t addr)
+{
+        spin_lock_init(&idma.lock);
+        idma.regs = regs;
+        idma.lp_tx_addr = addr;
+}
+
+struct snd_soc_platform_driver asoc_idma_platform = {
+        .ops = &idma_ops,
+        .pcm_new = idma_new,
+        .pcm_free = idma_free,
+};
+
+static int __devinit asoc_idma_platform_probe(struct platform_device *pdev)
+{
+        return snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
+}
+
+static int __devexit asoc_idma_platform_remove(struct platform_device *pdev)
+{
+        snd_soc_unregister_platform(&pdev->dev);
+        return 0;
+}
+
+static struct platform_driver asoc_idma_driver = {
+        .driver = {
+                .name = "samsung-idma",
+                .owner = THIS_MODULE,
+        },
+
+        .probe = asoc_idma_platform_probe,
+        .remove = __devexit_p(asoc_idma_platform_remove),
+};
+
+static int __init asoc_idma_init(void)
+{
+        return platform_driver_register(&asoc_idma_driver);
+}
+module_init(asoc_idma_init);
+
+static void __exit asoc_idma_exit(void)
+{
+        platform_driver_unregister(&asoc_idma_driver);
+}
+module_exit(asoc_idma_exit);
+
+MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>");
+MODULE_DESCRIPTION("Samsung ASoC IDMA Driver");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/samsung/idma.h b/sound/soc/samsung/idma.h
new file mode 100644
index 000000000000..48273216166e
--- /dev/null
+++ b/sound/soc/samsung/idma.h
@@ -0,0 +1,26 @@
+/*
+ * sound/soc/samsung/idma.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ *              http://www.samsung.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.
+ *
+ */
+
+#ifndef __SND_SOC_SAMSUNG_IDMA_H_
+#define __SND_SOC_SAMSUNG_IDMA_H_
+
+extern void idma_reg_addr_init(void *regs, dma_addr_t addr);
+
+/* dma_state */
+#define LPAM_DMA_STOP   0
+#define LPAM_DMA_START  1
+
+#define MAX_IDMA_PERIOD (128 * 1024)
+#define MAX_IDMA_BUFFER (160 * 1024)
+
+#endif /* __SND_SOC_SAMSUNG_IDMA_H_ */
diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c
index 3b53ad54bc33..14eb6ea69e7c 100644
--- a/sound/soc/samsung/jive_wm8750.c
+++ b/sound/soc/samsung/jive_wm8750.c
@@ -131,7 +131,7 @@ static struct snd_soc_dai_link jive_dai = {
         .cpu_dai_name   = "s3c2412-i2s",
         .codec_dai_name = "wm8750-hifi",
         .platform_name  = "samsung-audio",
-        .codec_name     = "wm8750-codec.0-0x1a",
+        .codec_name     = "wm8750-codec.0-001a",
         .init           = jive_wm8750_init,
         .ops            = &jive_ops,
 };
diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c
index 8ac42bf82090..0b9eb5f7ec4c 100644
--- a/sound/soc/samsung/speyside_wm8962.c
+++ b/sound/soc/samsung/speyside_wm8962.c
@@ -37,7 +37,7 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
                                                      44100 * 256,
                                                      SND_SOC_CLOCK_IN);
                         if (ret < 0) {
-                                pr_err("Failed to set SYSCLK: %d\n");
+                                pr_err("Failed to set SYSCLK: %d\n", ret);
                                 return ret;
                         }
                 }
diff --git a/sound/soc/tegra/tegra_pcm.c b/sound/soc/tegra/tegra_pcm.c
index ff86e5e3db68..c7cfd96e991e 100644
--- a/sound/soc/tegra/tegra_pcm.c
+++ b/sound/soc/tegra/tegra_pcm.c
@@ -309,9 +309,14 @@ static int tegra_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
 
 static void tegra_pcm_deallocate_dma_buffer(struct snd_pcm *pcm, int stream)
 {
-        struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-        struct snd_dma_buffer *buf = &substream->dma_buffer;
+        struct snd_pcm_substream *substream;
+        struct snd_dma_buffer *buf;
+
+        substream = pcm->streams[stream].substream;
+        if (!substream)
+                return;
 
+        buf = &substream->dma_buffer;
         if (!buf->area)
                 return;
 
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index a42e9ac30f28..661373c2352a 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -56,6 +56,7 @@
 #define GPIO_HP_MUTE    BIT(1)
 #define GPIO_INT_MIC_EN BIT(2)
 #define GPIO_EXT_MIC_EN BIT(3)
+#define GPIO_HP_DET     BIT(4)
 
 struct tegra_wm8903 {
         struct tegra_asoc_utils_data util_data;
@@ -304,6 +305,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
                 snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
                                         1,
                                         &tegra_wm8903_hp_jack_gpio);
+                machine->gpio_requested |= GPIO_HP_DET;
         }
 
         snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
@@ -429,10 +431,10 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
         struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
         struct tegra_wm8903_platform_data *pdata = machine->pdata;
 
-        snd_soc_unregister_card(card);
-
-        tegra_asoc_utils_fini(&machine->util_data);
-
+        if (machine->gpio_requested & GPIO_HP_DET)
+                snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack,
+                                        1,
+                                        &tegra_wm8903_hp_jack_gpio);
         if (machine->gpio_requested & GPIO_EXT_MIC_EN)
                 gpio_free(pdata->gpio_ext_mic_en);
         if (machine->gpio_requested & GPIO_INT_MIC_EN)
@@ -441,6 +443,11 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
                 gpio_free(pdata->gpio_hp_mute);
         if (machine->gpio_requested & GPIO_SPKR_EN)
                 gpio_free(pdata->gpio_spkr_en);
+        machine->gpio_requested = 0;
+
+        snd_soc_unregister_card(card);
+
+        tegra_asoc_utils_fini(&machine->util_data);
 
         kfree(machine);
 
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index d0d493ca28ae..aa52b3e13bb5 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -614,6 +614,7 @@ static void read_completed(struct urb *urb)
         struct snd_usb_caiaqdev *dev;
         struct urb *out;
         int frame, len, send_it = 0, outframe = 0;
+        size_t offset = 0;
 
         if (urb->status || !info)
                 return;
@@ -634,7 +635,8 @@ static void read_completed(struct urb *urb)
                 len = urb->iso_frame_desc[outframe].actual_length;
                 out->iso_frame_desc[outframe].length = len;
                 out->iso_frame_desc[outframe].actual_length = 0;
-                out->iso_frame_desc[outframe].offset = BYTES_PER_FRAME * frame;
+                out->iso_frame_desc[outframe].offset = offset;
+                offset += len;
 
                 if (len > 0) {
                         spin_lock(&dev->spinlock);
@@ -650,7 +652,7 @@ static void read_completed(struct urb *urb)
         }
 
         if (send_it) {
-                out->number_of_packets = FRAMES_PER_URB;
+                out->number_of_packets = outframe;
                 out->transfer_flags = URB_ISO_ASAP;
                 usb_submit_urb(out, GFP_ATOMIC);
         }
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 4d4f86552a23..a42e3ef3832d 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -1707,6 +1707,40 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                 }
         }
 },
+{
+        USB_DEVICE(0x0582, 0x0130),
+        .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+                /* .vendor_name = "BOSS", */
+                /* .product_name = "MICRO BR-80", */
+                .ifnum = QUIRK_ANY_INTERFACE,
+                .type = QUIRK_COMPOSITE,
+                .data = (const struct snd_usb_audio_quirk[]) {
+                        {
+                                .ifnum = 0,
+                                .type = QUIRK_IGNORE_INTERFACE
+                        },
+                        {
+                                .ifnum = 1,
+                                .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                        },
+                        {
+                                .ifnum = 2,
+                                .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                        },
+                        {
+                                .ifnum = 3,
+                                .type = QUIRK_MIDI_FIXED_ENDPOINT,
+                                .data = & (const struct snd_usb_midi_endpoint_info) {
+                                        .out_cables = 0x0001,
+                                        .in_cables  = 0x0001
+                                }
+                        },
+                        {
+                                .ifnum = -1
+                        }
+                }
+        }
+},
 
 /* Guillemot devices */
 {