10 files changed, 132 insertions, 136 deletions

diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c
index e880524904eb..7abecfca0b7e 100644
--- a/arch/arm/mach-s3c2412/dma.c
+++ b/arch/arm/mach-s3c2412/dma.c
@@ -30,7 +30,6 @@
 #include <mach/regs-mem.h>
 #include <mach/regs-lcd.h>
 #include <mach/regs-sdi.h>
-#include <plat/regs-s3c2412-iis.h>
 #include <plat/regs-iis.h>
 #include <plat/regs-spi.h>
 
@@ -119,13 +118,11 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
                 .name           = "i2s-sdi",
                 .channels       = MAP(S3C2412_DMAREQSEL_I2SRX),
                 .channels_rx    = MAP(S3C2412_DMAREQSEL_I2SRX),
-                .hw_addr.from   = S3C2410_PA_IIS + S3C2412_IISRXD,
         },
         [DMACH_I2S_OUT] = {
                 .name           = "i2s-sdo",
                 .channels       = MAP(S3C2412_DMAREQSEL_I2STX),
                 .channels_rx    = MAP(S3C2412_DMAREQSEL_I2STX),
-                .hw_addr.to     = S3C2410_PA_IIS + S3C2412_IISTXD,
         },
         [DMACH_USB_EP1] = {
                 .name           = "usb-ep1",
diff --git a/sound/soc/s3c24xx/jive_wm8750.c b/sound/soc/s3c24xx/jive_wm8750.c
index 97d8ff3196be..8c108b121c10 100644
--- a/sound/soc/s3c24xx/jive_wm8750.c
+++ b/sound/soc/s3c24xx/jive_wm8750.c
@@ -70,7 +70,7 @@ static int jive_hw_params(struct snd_pcm_substream *substream,
         }
 
         s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params),
-                                s3c2412_get_iisclk());
+                                s3c_i2sv2_get_clock(cpu_dai));
 
         /* set codec DAI configuration */
         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
diff --git a/arch/arm/plat-samsung/include/plat/regs-s3c2412-iis.h b/sound/soc/s3c24xx/regs-i2s-v2.h
index abf2fbc2eb2f..5e5e5680580b 100644
--- a/arch/arm/plat-samsung/include/plat/regs-s3c2412-iis.h
+++ b/sound/soc/s3c24xx/regs-i2s-v2.h
@@ -20,6 +20,24 @@
 #define S3C2412_IISTXD                  (0x10)
 #define S3C2412_IISRXD                  (0x14)
 
+#define S5PC1XX_IISFICS         0x18
+#define S5PC1XX_IISTXDS         0x1C
+
+#define S5PC1XX_IISCON_SW_RST           (1 << 31)
+#define S5PC1XX_IISCON_FRXOFSTATUS      (1 << 26)
+#define S5PC1XX_IISCON_FRXORINTEN       (1 << 25)
+#define S5PC1XX_IISCON_FTXSURSTAT       (1 << 24)
+#define S5PC1XX_IISCON_FTXSURINTEN      (1 << 23)
+#define S5PC1XX_IISCON_TXSDMAPAUSE      (1 << 20)
+#define S5PC1XX_IISCON_TXSDMACTIVE      (1 << 18)
+
+#define S3C64XX_IISCON_FTXURSTATUS      (1 << 17)
+#define S3C64XX_IISCON_FTXURINTEN       (1 << 16)
+#define S3C64XX_IISCON_TXFIFO2_EMPTY    (1 << 15)
+#define S3C64XX_IISCON_TXFIFO1_EMPTY    (1 << 14)
+#define S3C64XX_IISCON_TXFIFO2_FULL     (1 << 13)
+#define S3C64XX_IISCON_TXFIFO1_FULL     (1 << 12)
+
 #define S3C2412_IISCON_LRINDEX          (1 << 11)
 #define S3C2412_IISCON_TXFIFO_EMPTY     (1 << 10)
 #define S3C2412_IISCON_RXFIFO_EMPTY     (1 << 9)
@@ -33,18 +51,30 @@
 #define S3C2412_IISCON_RXDMA_ACTIVE     (1 << 1)
 #define S3C2412_IISCON_IIS_ACTIVE       (1 << 0)
 
+#define S5PC1XX_IISMOD_OPCLK_CDCLK_OUT  (0 << 30)
+#define S5PC1XX_IISMOD_OPCLK_CDCLK_IN   (1 << 30)
+#define S5PC1XX_IISMOD_OPCLK_BCLK_OUT   (2 << 30)
+#define S5PC1XX_IISMOD_OPCLK_PCLK       (3 << 30)
+#define S5PC1XX_IISMOD_OPCLK_MASK       (3 << 30)
+#define S5PC1XX_IISMOD_TXS_IDMA         (1 << 28) /* Sec_TXFIFO use I-DMA */
+#define S5PC1XX_IISMOD_BLCS_MASK        0x3
+#define S5PC1XX_IISMOD_BLCS_SHIFT       26
+#define S5PC1XX_IISMOD_BLCP_MASK        0x3
+#define S5PC1XX_IISMOD_BLCP_SHIFT       24
+
+#define S3C64XX_IISMOD_C2DD_HHALF       (1 << 21) /* Discard Higher-half */
+#define S3C64XX_IISMOD_C2DD_LHALF       (1 << 20) /* Discard Lower-half */
+#define S3C64XX_IISMOD_C1DD_HHALF       (1 << 19)
+#define S3C64XX_IISMOD_C1DD_LHALF       (1 << 18)
+#define S3C64XX_IISMOD_DC2_EN           (1 << 17)
+#define S3C64XX_IISMOD_DC1_EN           (1 << 16)
 #define S3C64XX_IISMOD_BLC_16BIT        (0 << 13)
 #define S3C64XX_IISMOD_BLC_8BIT         (1 << 13)
 #define S3C64XX_IISMOD_BLC_24BIT        (2 << 13)
 #define S3C64XX_IISMOD_BLC_MASK         (3 << 13)
 
-#define S3C64XX_IISMOD_IMS_PCLK         (0 << 10)
-#define S3C64XX_IISMOD_IMS_SYSMUX       (1 << 10)
-
-#define S3C2412_IISMOD_MASTER_INTERNAL  (0 << 10)
-#define S3C2412_IISMOD_MASTER_EXTERNAL  (1 << 10)
-#define S3C2412_IISMOD_SLAVE            (2 << 10)
-#define S3C2412_IISMOD_MASTER_MASK      (3 << 10)
+#define S3C2412_IISMOD_IMS_SYSMUX       (1 << 10)
+#define S3C2412_IISMOD_SLAVE            (1 << 11)
 #define S3C2412_IISMOD_MODE_TXONLY      (0 << 8)
 #define S3C2412_IISMOD_MODE_RXONLY      (1 << 8)
 #define S3C2412_IISMOD_MODE_TXRX        (2 << 8)
@@ -71,12 +101,15 @@
 
 #define S3C2412_IISPSR_PSREN            (1 << 15)
 
+#define S3C64XX_IISFIC_TX2COUNT(x)      (((x) >>  24) & 0xf)
+#define S3C64XX_IISFIC_TX1COUNT(x)      (((x) >>  16) & 0xf)
+
 #define S3C2412_IISFIC_TXFLUSH          (1 << 15)
 #define S3C2412_IISFIC_RXFLUSH          (1 << 7)
 #define S3C2412_IISFIC_TXCOUNT(x)       (((x) >>  8) & 0xf)
 #define S3C2412_IISFIC_RXCOUNT(x)       (((x) >>  0) & 0xf)
 
-
+#define S5PC1XX_IISFICS_TXFLUSH         (1 << 15)
+#define S5PC1XX_IISFICS_TXCOUNT(x)      (((x) >>  8) & 0x7f)
 
 #endif /* __ASM_ARCH_REGS_S3C2412_IIS_H */
-
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index 865f93143bf1..13311c8cf965 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -24,10 +24,9 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 
-#include <plat/regs-s3c2412-iis.h>
-
 #include <mach/dma.h>
 
+#include "regs-i2s-v2.h"
 #include "s3c-i2s-v2.h"
 #include "s3c-dma.h"
 
@@ -266,35 +265,14 @@ static int s3c2412_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
         iismod = readl(i2s->regs + S3C2412_IISMOD);
         pr_debug("hw_params r: IISMOD: %x \n", iismod);
 
-#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
-#define IISMOD_MASTER_MASK S3C2412_IISMOD_MASTER_MASK
-#define IISMOD_SLAVE S3C2412_IISMOD_SLAVE
-#define IISMOD_MASTER S3C2412_IISMOD_MASTER_INTERNAL
-#endif
-
-#if defined(CONFIG_PLAT_S3C64XX)
-/* From Rev1.1 datasheet, we have two master and two slave modes:
- * IMS[11:10]:
- *      00 = master mode, fed from PCLK
- *      01 = master mode, fed from CLKAUDIO
- *      10 = slave mode, using PCLK
- *      11 = slave mode, using I2SCLK
- */
-#define IISMOD_MASTER_MASK (1 << 11)
-#define IISMOD_SLAVE (1 << 11)
-#define IISMOD_MASTER (0 << 11)
-#endif
-
         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
         case SND_SOC_DAIFMT_CBM_CFM:
                 i2s->master = 0;
-                iismod &= ~IISMOD_MASTER_MASK;
-                iismod |= IISMOD_SLAVE;
+                iismod |= S3C2412_IISMOD_SLAVE;
                 break;
         case SND_SOC_DAIFMT_CBS_CFS:
                 i2s->master = 1;
-                iismod &= ~IISMOD_MASTER_MASK;
-                iismod |= IISMOD_MASTER;
+                iismod &= ~S3C2412_IISMOD_SLAVE;
                 break;
         default:
                 pr_err("unknwon master/slave format\n");
@@ -364,6 +342,52 @@ static int s3c_i2sv2_hw_params(struct snd_pcm_substream *substream,
 
         writel(iismod, i2s->regs + S3C2412_IISMOD);
         pr_debug("%s: w: IISMOD: %x\n", __func__, iismod);
+
+        return 0;
+}
+
+static int s3c_i2sv2_set_sysclk(struct snd_soc_dai *cpu_dai,
+                                  int clk_id, unsigned int freq, int dir)
+{
+        struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
+        u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
+
+        pr_debug("Entered %s\n", __func__);
+        pr_debug("%s r: IISMOD: %x\n", __func__, iismod);
+
+        switch (clk_id) {
+        case S3C_I2SV2_CLKSRC_PCLK:
+                iismod &= ~S3C2412_IISMOD_IMS_SYSMUX;
+                break;
+
+        case S3C_I2SV2_CLKSRC_AUDIOBUS:
+                iismod |= S3C2412_IISMOD_IMS_SYSMUX;
+                break;
+
+        case S3C_I2SV2_CLKSRC_CDCLK:
+                /* Error if controller doesn't have the CDCLKCON bit */
+                if (!(i2s->feature & S3C_FEATURE_CDCLKCON))
+                        return -EINVAL;
+
+                switch (dir) {
+                case SND_SOC_CLOCK_IN:
+                        iismod |= S3C64XX_IISMOD_CDCLKCON;
+                        break;
+                case SND_SOC_CLOCK_OUT:
+                        iismod &= ~S3C64XX_IISMOD_CDCLKCON;
+                        break;
+                default:
+                        return -EINVAL;
+                }
+                break;
+
+        default:
+                return -EINVAL;
+        }
+
+        writel(iismod, i2s->regs + S3C2412_IISMOD);
+        pr_debug("%s w: IISMOD: %x\n", __func__, iismod);
+
         return 0;
 }
 
@@ -538,6 +562,18 @@ static snd_pcm_sframes_t s3c2412_i2s_delay(struct snd_pcm_substream *substream,
         return delay;
 }
 
+struct clk *s3c_i2sv2_get_clock(struct snd_soc_dai *cpu_dai)
+{
+        struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
+        u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
+
+        if (iismod & S3C2412_IISMOD_IMS_SYSMUX)
+                return i2s->iis_cclk;
+        else
+                return i2s->iis_pclk;
+}
+EXPORT_SYMBOL_GPL(s3c_i2sv2_get_clock);
+
 /* default table of all avaialable root fs divisors */
 static unsigned int iis_fs_tab[] = { 256, 512, 384, 768 };
 
@@ -724,6 +760,7 @@ int s3c_i2sv2_register_dai(struct snd_soc_dai *dai)
                 ops->hw_params = s3c_i2sv2_hw_params;
         ops->set_fmt = s3c2412_i2s_set_fmt;
         ops->set_clkdiv = s3c2412_i2s_set_clkdiv;
+        ops->set_sysclk = s3c_i2sv2_set_sysclk;
 
         /* Allow overriding by (for example) IISv4 */
         if (!ops->delay)
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.h b/sound/soc/s3c24xx/s3c-i2s-v2.h
index b094d3c23cbe..766f43a13d8b 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.h
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.h
@@ -29,10 +29,16 @@
 #define S3C_I2SV2_CLKSRC_AUDIOBUS       1
 #define S3C_I2SV2_CLKSRC_CDCLK          2
 
+/* Set this flag for I2S controllers that have the bit IISMOD[12]
+ * bridge/break RCLK signal and external Xi2sCDCLK pin.
+ */
+#define S3C_FEATURE_CDCLKCON    (1 << 0)
+
 /**
  * struct s3c_i2sv2_info - S3C I2S-V2 information
  * @dev: The parent device passed to use from the probe.
  * @regs: The pointer to the device registe block.
+ * @feature: Set of bit-flags indicating features of the controller.
  * @master: True if the I2S core is the I2S bit clock master.
  * @dma_playback: DMA information for playback channel.
  * @dma_capture: DMA information for capture channel.
@@ -47,9 +53,10 @@ struct s3c_i2sv2_info {
         struct device   *dev;
         void __iomem    *regs;
 
+        u32             feature;
+
         struct clk      *iis_pclk;
         struct clk      *iis_cclk;
-        struct clk      *iis_clk;
 
         unsigned char    master;
 
@@ -61,6 +68,8 @@ struct s3c_i2sv2_info {
         u32              suspend_iispsr;
 };
 
+extern struct clk *s3c_i2sv2_get_clock(struct snd_soc_dai *cpu_dai);
+
 struct s3c_i2sv2_rate_calc {
         unsigned int    clk_div;        /* for prescaler */
         unsigned int    fs_div;         /* for root frame clock */
diff --git a/sound/soc/s3c24xx/s3c2412-i2s.c b/sound/soc/s3c24xx/s3c2412-i2s.c
index f3148f98b419..709adef9d043 100644
--- a/sound/soc/s3c24xx/s3c2412-i2s.c
+++ b/sound/soc/s3c24xx/s3c2412-i2s.c
@@ -32,12 +32,11 @@
 #include <sound/soc.h>
 #include <mach/hardware.h>
 
-#include <plat/regs-s3c2412-iis.h>
-
 #include <mach/regs-gpio.h>
 #include <mach/dma.h>
 
 #include "s3c-dma.h"
+#include "regs-i2s-v2.h"
 #include "s3c2412-i2s.h"
 
 #define S3C2412_I2S_DEBUG 0
@@ -66,43 +65,6 @@ static struct s3c_dma_params s3c2412_i2s_pcm_stereo_in = {
 
 static struct s3c_i2sv2_info s3c2412_i2s;
 
-/*
- * Set S3C2412 Clock source
- */
-static int s3c2412_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
-                                  int clk_id, unsigned int freq, int dir)
-{
-        u32 iismod = readl(s3c2412_i2s.regs + S3C2412_IISMOD);
-
-        pr_debug("%s(%p, %d, %u, %d)\n", __func__, cpu_dai, clk_id,
-            freq, dir);
-
-        switch (clk_id) {
-        case S3C2412_CLKSRC_PCLK:
-                s3c2412_i2s.master = 1;
-                iismod &= ~S3C2412_IISMOD_MASTER_MASK;
-                iismod |= S3C2412_IISMOD_MASTER_INTERNAL;
-                break;
-        case S3C2412_CLKSRC_I2SCLK:
-                s3c2412_i2s.master = 0;
-                iismod &= ~S3C2412_IISMOD_MASTER_MASK;
-                iismod |= S3C2412_IISMOD_MASTER_EXTERNAL;
-                break;
-        default:
-                return -EINVAL;
-        }
-
-        writel(iismod, s3c2412_i2s.regs + S3C2412_IISMOD);
-        return 0;
-}
-
-
-struct clk *s3c2412_get_iisclk(void)
-{
-        return s3c2412_i2s.iis_clk;
-}
-EXPORT_SYMBOL_GPL(s3c2412_get_iisclk);
-
 static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
 {
         return cpu_dai->private_data;
@@ -187,7 +149,6 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
         SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
 
 static struct snd_soc_dai_ops s3c2412_i2s_dai_ops = {
-        .set_sysclk     = s3c2412_i2s_set_sysclk,
         .hw_params      = s3c2412_i2s_hw_params,
 };
 
diff --git a/sound/soc/s3c24xx/s3c2412-i2s.h b/sound/soc/s3c24xx/s3c2412-i2s.h
index 60cac002a830..0b5686b4d5c3 100644
--- a/sound/soc/s3c24xx/s3c2412-i2s.h
+++ b/sound/soc/s3c24xx/s3c2412-i2s.h
@@ -24,8 +24,6 @@
 #define S3C2412_CLKSRC_PCLK     S3C_I2SV2_CLKSRC_PCLK
 #define S3C2412_CLKSRC_I2SCLK   S3C_I2SV2_CLKSRC_AUDIOBUS
 
-extern struct clk *s3c2412_get_iisclk(void);
-
 extern struct snd_soc_dai s3c2412_i2s_dai;
 
 #endif /* __SND_SOC_S3C24XX_S3C2412_I2S_H */
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
index ab1fa159d3ae..1d85cb85a7d2 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.c
@@ -18,7 +18,6 @@
 
 #include <sound/soc.h>
 
-#include <plat/regs-s3c2412-iis.h>
 #include <mach/gpio-bank-d.h>
 #include <mach/gpio-bank-e.h>
 #include <plat/gpio-cfg.h>
@@ -27,6 +26,7 @@
 #include <mach/dma.h>
 
 #include "s3c-dma.h"
+#include "regs-i2s-v2.h"
 #include "s3c64xx-i2s.h"
 
 /* The value should be set to maximum of the total number
@@ -54,55 +54,6 @@ static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
         return cpu_dai->private_data;
 }
 
-static int s3c64xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
-                                  int clk_id, unsigned int freq, int dir)
-{
-        struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
-        u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
-
-        switch (clk_id) {
-        case S3C64XX_CLKSRC_PCLK:
-                iismod &= ~S3C64XX_IISMOD_IMS_SYSMUX;
-                break;
-
-        case S3C64XX_CLKSRC_MUX:
-                iismod |= S3C64XX_IISMOD_IMS_SYSMUX;
-                break;
-
-        case S3C64XX_CLKSRC_CDCLK:
-                switch (dir) {
-                case SND_SOC_CLOCK_IN:
-                        iismod |= S3C64XX_IISMOD_CDCLKCON;
-                        break;
-                case SND_SOC_CLOCK_OUT:
-                        iismod &= ~S3C64XX_IISMOD_CDCLKCON;
-                        break;
-                default:
-                        return -EINVAL;
-                }
-                break;
-
-        default:
-                return -EINVAL;
-        }
-
-        writel(iismod, i2s->regs + S3C2412_IISMOD);
-
-        return 0;
-}
-
-struct clk *s3c64xx_i2s_get_clock(struct snd_soc_dai *dai)
-{
-        struct s3c_i2sv2_info *i2s = to_info(dai);
-        u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
-
-        if (iismod & S3C64XX_IISMOD_IMS_SYSMUX)
-                return i2s->iis_cclk;
-        else
-                return i2s->iis_pclk;
-}
-EXPORT_SYMBOL_GPL(s3c64xx_i2s_get_clock);
-
 static int s3c64xx_i2s_probe(struct platform_device *pdev,
                              struct snd_soc_dai *dai)
 {
@@ -127,9 +78,7 @@ static int s3c64xx_i2s_probe(struct platform_device *pdev,
 }
 
 
-static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
-        .set_sysclk     = s3c64xx_i2s_set_sysclk,       
-};
+static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops;
 
 static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
 {
@@ -159,6 +108,8 @@ static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
         dai->probe = s3c64xx_i2s_probe;
         dai->ops = &s3c64xx_i2s_dai_ops;
 
+        i2s->feature |= S3C_FEATURE_CDCLKCON;
+
         i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id];
         i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];
 
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.h b/sound/soc/s3c24xx/s3c64xx-i2s.h
index 53d2a0a0df36..f27ed50e4d82 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.h
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.h
@@ -38,6 +38,4 @@ struct clk;
 
 extern struct snd_soc_dai s3c64xx_i2s_dai[];
 
-extern struct clk *s3c64xx_i2s_get_clock(struct snd_soc_dai *dai);
-
 #endif /* __SND_SOC_S3C24XX_S3C64XX_I2S_H */
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 9dfe9a58a314..472af38188c1 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -44,6 +44,8 @@ static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         ret = codec->hw_write(codec->control_data, data, 2);
         if (ret == 2)
                 return 0;
@@ -112,6 +114,8 @@ static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         ret = codec->hw_write(codec->control_data, data, 2);
         if (ret == 2)
                 return 0;
@@ -171,6 +175,8 @@ static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         if (codec->hw_write(codec->control_data, data, 2) == 2)
                 return 0;
         else
@@ -205,6 +211,8 @@ static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         if (codec->hw_write(codec->control_data, data, 3) == 3)
                 return 0;
         else
@@ -362,6 +370,8 @@ static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         ret = codec->hw_write(codec->control_data, data, 3);
         if (ret == 3)
                 return 0;
@@ -472,6 +482,8 @@ static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
                 return 0;
         }
 
+        dev_dbg(codec->dev, "0x%x = 0x%x\n", reg, value);
+
         ret = codec->hw_write(codec->control_data, data, 4);
         if (ret == 4)
                 return 0;