Merge tag 'asoc-v3.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Final updates for v3.15 merge window

A few more updates from last week - use of the tdm_slot mapping from
Xiubo plus a few smaller fixes and cleanups.

11 files changed, 212 insertions, 113 deletions

diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 597962ec28fa..338a91642471 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -13,6 +13,7 @@ config SND_SOC_FSL_SPDIF
 config SND_SOC_FSL_ESAI
         tristate
         select REGMAP_MMIO
+        select SND_SOC_FSL_UTILS
 
 config SND_SOC_FSL_UTILS
         tristate
@@ -120,6 +121,7 @@ if SND_IMX_SOC
 
 config SND_SOC_IMX_SSI
         tristate
+        select SND_SOC_FSL_UTILS
 
 config SND_SOC_IMX_PCM_FIQ
         tristate
diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index 0ba37005ab04..c8e5db1414d7 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -18,6 +18,7 @@
 
 #include "fsl_esai.h"
 #include "imx-pcm.h"
+#include "fsl_utils.h"
 
 #define FSL_ESAI_RATES          SNDRV_PCM_RATE_8000_192000
 #define FSL_ESAI_FORMATS        (SNDRV_PCM_FMTBIT_S8 | \
@@ -581,6 +582,7 @@ static struct snd_soc_dai_ops fsl_esai_dai_ops = {
         .hw_params = fsl_esai_hw_params,
         .set_sysclk = fsl_esai_set_dai_sysclk,
         .set_fmt = fsl_esai_set_dai_fmt,
+        .xlate_tdm_slot_mask = fsl_asoc_xlate_tdm_slot_mask,
         .set_tdm_slot = fsl_esai_set_dai_tdm_slot,
 };
 
diff --git a/sound/soc/fsl/fsl_utils.c b/sound/soc/fsl/fsl_utils.c
index b9e42b503a37..2ac7755da876 100644
--- a/sound/soc/fsl/fsl_utils.c
+++ b/sound/soc/fsl/fsl_utils.c
@@ -86,6 +86,33 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np,
 }
 EXPORT_SYMBOL(fsl_asoc_get_dma_channel);
 
+/**
+ * fsl_asoc_xlate_tdm_slot_mask - generate TDM slot TX/RX mask.
+ *
+ * @slots: Number of slots in use.
+ * @tx_mask: bitmask representing active TX slots.
+ * @rx_mask: bitmask representing active RX slots.
+ *
+ * This function used to generate the TDM slot TX/RX mask. And the TX/RX
+ * mask will use a 0 bit for an active slot as default, and the default
+ * active bits are at the LSB of the mask value.
+ */
+int fsl_asoc_xlate_tdm_slot_mask(unsigned int slots,
+                                    unsigned int *tx_mask,
+                                    unsigned int *rx_mask)
+{
+        if (!slots)
+                return -EINVAL;
+
+        if (tx_mask)
+                *tx_mask = ~((1 << slots) - 1);
+        if (rx_mask)
+                *rx_mask = ~((1 << slots) - 1);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(fsl_asoc_xlate_tdm_slot_mask);
+
 MODULE_AUTHOR("Timur Tabi <timur@freescale.com>");
 MODULE_DESCRIPTION("Freescale ASoC utility code");
 MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/fsl/fsl_utils.h b/sound/soc/fsl/fsl_utils.h
index b2951126527c..df535db40313 100644
--- a/sound/soc/fsl/fsl_utils.h
+++ b/sound/soc/fsl/fsl_utils.h
@@ -22,5 +22,7 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
                              struct snd_soc_dai_link *dai,
                              unsigned int *dma_channel_id,
                              unsigned int *dma_id);
-
+int fsl_asoc_xlate_tdm_slot_mask(unsigned int slots,
+                                    unsigned int *tx_mask,
+                                    unsigned int *rx_mask);
 #endif /* _FSL_UTILS_H */
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index df552fa1aa65..ab2fdd76b693 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -50,6 +50,7 @@
 #include <linux/platform_data/asoc-imx-ssi.h>
 
 #include "imx-ssi.h"
+#include "fsl_utils.h"
 
 #define SSI_SACNT_DEFAULT (SSI_SACNT_AC97EN | SSI_SACNT_FV)
 
@@ -339,6 +340,7 @@ static const struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = {
         .set_fmt        = imx_ssi_set_dai_fmt,
         .set_clkdiv     = imx_ssi_set_dai_clkdiv,
         .set_sysclk     = imx_ssi_set_dai_sysclk,
+        .xlate_tdm_slot_mask = fsl_asoc_xlate_tdm_slot_mask,
         .set_tdm_slot   = imx_ssi_set_dai_tdm_slot,
         .trigger        = imx_ssi_trigger,
 };
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 2ee8ed56bcf1..21f1ccbdf582 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -20,9 +20,11 @@
 
 struct simple_card_data {
         struct snd_soc_card snd_card;
-        struct asoc_simple_dai cpu_dai;
-        struct asoc_simple_dai codec_dai;
-        struct snd_soc_dai_link snd_link;
+        struct simple_dai_props {
+                struct asoc_simple_dai cpu_dai;
+                struct asoc_simple_dai codec_dai;
+        } *dai_props;
+        struct snd_soc_dai_link dai_link[];     /* dynamically allocated */
 };
 
 static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
@@ -68,13 +70,16 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
                                 snd_soc_card_get_drvdata(rtd->card);
         struct snd_soc_dai *codec = rtd->codec_dai;
         struct snd_soc_dai *cpu = rtd->cpu_dai;
-        int ret;
+        struct simple_dai_props *dai_props;
+        int num, ret;
 
-        ret = __asoc_simple_card_dai_init(codec, &priv->codec_dai);
+        num = rtd - rtd->card->rtd;
+        dai_props = &priv->dai_props[num];
+        ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai);
         if (ret < 0)
                 return ret;
 
-        ret = __asoc_simple_card_dai_init(cpu, &priv->cpu_dai);
+        ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai);
         if (ret < 0)
                 return ret;
 
@@ -146,13 +151,47 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
         return 0;
 }
 
+static int simple_card_cpu_codec_of(struct device_node *node,
+                                int daifmt,
+                                struct snd_soc_dai_link *dai_link,
+                                struct simple_dai_props *dai_props)
+{
+        struct device_node *np;
+        int ret;
+
+        /* CPU sub-node */
+        ret = -EINVAL;
+        np = of_get_child_by_name(node, "simple-audio-card,cpu");
+        if (np) {
+                ret = asoc_simple_card_sub_parse_of(np, daifmt,
+                                                &dai_props->cpu_dai,
+                                                &dai_link->cpu_of_node,
+                                                &dai_link->cpu_dai_name);
+                of_node_put(np);
+        }
+        if (ret < 0)
+                return ret;
+
+        /* CODEC sub-node */
+        ret = -EINVAL;
+        np = of_get_child_by_name(node, "simple-audio-card,codec");
+        if (np) {
+                ret = asoc_simple_card_sub_parse_of(np, daifmt,
+                                                &dai_props->codec_dai,
+                                                &dai_link->codec_of_node,
+                                                &dai_link->codec_dai_name);
+                of_node_put(np);
+        }
+        return ret;
+}
+
 static int asoc_simple_card_parse_of(struct device_node *node,
                                      struct simple_card_data *priv,
-                                     struct device *dev)
+                                     struct device *dev,
+                                     int multi)
 {
         struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link;
-        struct asoc_simple_dai *codec_dai = &priv->codec_dai;
-        struct asoc_simple_dai *cpu_dai = &priv->cpu_dai;
+        struct simple_dai_props *dai_props = priv->dai_props;
         struct device_node *np;
         char *name;
         unsigned int daifmt;
@@ -181,78 +220,71 @@ static int asoc_simple_card_parse_of(struct device_node *node,
                         return ret;
         }
 
-        /* CPU sub-node */
-        ret = -EINVAL;
-        np = of_get_child_by_name(node, "simple-audio-card,cpu");
-        if (np) {
-                ret = asoc_simple_card_sub_parse_of(np, daifmt,
-                                                  cpu_dai,
-                                                  &dai_link->cpu_of_node,
-                                                  &dai_link->cpu_dai_name);
-                of_node_put(np);
-        }
-        if (ret < 0)
-                return ret;
+        /* loop on the DAI links */
+        np = NULL;
+        for (;;) {
+                if (multi) {
+                        np = of_get_next_child(node, np);
+                        if (!np)
+                                break;
+                }
 
-        /* CODEC sub-node */
-        ret = -EINVAL;
-        np = of_get_child_by_name(node, "simple-audio-card,codec");
-        if (np) {
-                ret = asoc_simple_card_sub_parse_of(np, daifmt,
-                                                  codec_dai,
-                                                  &dai_link->codec_of_node,
-                                                  &dai_link->codec_dai_name);
-                of_node_put(np);
-        }
-        if (ret < 0)
-                return ret;
+                ret = simple_card_cpu_codec_of(multi ? np : node,
+                                        daifmt, dai_link, dai_props);
+                if (ret < 0)
+                        goto err;
 
-        /*
-         * overwrite cpu_dai->fmt as its DAIFMT_MASTER bit is based on CODEC
-         * while the other bits should be identical unless buggy SW/HW design.
-         */
-        cpu_dai->fmt = codec_dai->fmt;
+                /*
+                 * overwrite cpu_dai->fmt as its DAIFMT_MASTER bit is based on CODEC
+                 * while the other bits should be identical unless buggy SW/HW design.
+                 */
+                dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt;
+
+                if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) {
+                        ret = -EINVAL;
+                        goto err;
+                }
+
+                /* simple-card assumes platform == cpu */
+                dai_link->platform_of_node = dai_link->cpu_of_node;
+
+                name = devm_kzalloc(dev,
+                                    strlen(dai_link->cpu_dai_name)   +
+                                    strlen(dai_link->codec_dai_name) + 2,
+                                    GFP_KERNEL);
+                sprintf(name, "%s-%s", dai_link->cpu_dai_name,
+                                        dai_link->codec_dai_name);
+                dai_link->name = dai_link->stream_name = name;
 
-        if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name)
-                return -EINVAL;
+                if (!multi)
+                        break;
+
+                dai_link++;
+                dai_props++;
+        }
 
         /* card name is created from CPU/CODEC dai name */
-        name = devm_kzalloc(dev,
-                            strlen(dai_link->cpu_dai_name)   +
-                            strlen(dai_link->codec_dai_name) + 2,
-                            GFP_KERNEL);
-        sprintf(name, "%s-%s", dai_link->cpu_dai_name,
-                                dai_link->codec_dai_name);
+        dai_link = priv->snd_card.dai_link;
         if (!priv->snd_card.name)
-                priv->snd_card.name = name;
-        dai_link->name = dai_link->stream_name = name;
-
-        /* simple-card assumes platform == cpu */
-        dai_link->platform_of_node = dai_link->cpu_of_node;
+                priv->snd_card.name = dai_link->name;
 
-        dev_dbg(dev, "card-name : %s\n", name);
+        dev_dbg(dev, "card-name : %s\n", priv->snd_card.name);
         dev_dbg(dev, "platform : %04x\n", daifmt);
+        dai_props = priv->dai_props;
         dev_dbg(dev, "cpu : %s / %04x / %d\n",
                 dai_link->cpu_dai_name,
-                cpu_dai->fmt,
-                cpu_dai->sysclk);
+                dai_props->cpu_dai.fmt,
+                dai_props->cpu_dai.sysclk);
         dev_dbg(dev, "codec : %s / %04x / %d\n",
                 dai_link->codec_dai_name,
-                codec_dai->fmt,
-                codec_dai->sysclk);
-
-        /*
-         * soc_bind_dai_link() will check cpu name
-         * after of_node matching if dai_link has cpu_dai_name.
-         * but, it will never match if name was created by fmt_single_name()
-         * remove cpu_dai_name to escape name matching.
-         * see
-         *      fmt_single_name()
-         *      fmt_multiple_name()
-         */
-        dai_link->cpu_dai_name = NULL;
+                dai_props->codec_dai.fmt,
+                dai_props->codec_dai.sysclk);
 
         return 0;
+
+err:
+        of_node_put(np);
+        return ret;
 }
 
 /* update the reference count of the devices nodes at end of probe */
@@ -282,9 +314,21 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
         struct snd_soc_dai_link *dai_link;
         struct device_node *np = pdev->dev.of_node;
         struct device *dev = &pdev->dev;
-        int ret;
+        int num_links, multi, ret;
+
+        /* get the number of DAI links */
+        if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) {
+                num_links = of_get_child_count(np);
+                multi = 1;
+        } else {
+                num_links = 1;
+                multi = 0;
+        }
 
-        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+        /* allocate the private data and the DAI link array */
+        priv = devm_kzalloc(dev,
+                        sizeof(*priv) + sizeof(*dai_link) * num_links,
+                        GFP_KERNEL);
         if (!priv)
                 return -ENOMEM;
 
@@ -293,18 +337,38 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
          */
         priv->snd_card.owner = THIS_MODULE;
         priv->snd_card.dev = dev;
-        dai_link = &priv->snd_link;
+        dai_link = priv->dai_link;
         priv->snd_card.dai_link = dai_link;
-        priv->snd_card.num_links = 1;
+        priv->snd_card.num_links = num_links;
+
+        /* get room for the other properties */
+        priv->dai_props = devm_kzalloc(dev,
+                        sizeof(*priv->dai_props) * num_links,
+                        GFP_KERNEL);
+        if (!priv->dai_props)
+                return -ENOMEM;
 
         if (np && of_device_is_available(np)) {
 
-                ret = asoc_simple_card_parse_of(np, priv, dev);
+                ret = asoc_simple_card_parse_of(np, priv, dev, multi);
                 if (ret < 0) {
                         if (ret != -EPROBE_DEFER)
                                 dev_err(dev, "parse error %d\n", ret);
                         goto err;
                 }
+
+                /*
+                 * soc_bind_dai_link() will check cpu name
+                 * after of_node matching if dai_link has cpu_dai_name.
+                 * but, it will never match if name was created by fmt_single_name()
+                 * remove cpu_dai_name to escape name matching.
+                 * see
+                 *      fmt_single_name()
+                 *      fmt_multiple_name()
+                 */
+                if (num_links == 1)
+                        dai_link->cpu_dai_name = NULL;
+
         } else {
                 struct asoc_simple_card_info *cinfo;
 
@@ -330,13 +394,13 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
                 dai_link->codec_name    = cinfo->codec;
                 dai_link->cpu_dai_name  = cinfo->cpu_dai.name;
                 dai_link->codec_dai_name = cinfo->codec_dai.name;
-                memcpy(&priv->cpu_dai, &cinfo->cpu_dai,
-                                                sizeof(priv->cpu_dai));
-                memcpy(&priv->codec_dai, &cinfo->codec_dai,
-                                                sizeof(priv->codec_dai));
+                memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai,
+                                        sizeof(priv->dai_props->cpu_dai));
+                memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai,
+                                        sizeof(priv->dai_props->codec_dai));
 
-                priv->cpu_dai.fmt       |= cinfo->daifmt;
-                priv->codec_dai.fmt     |= cinfo->daifmt;
+                priv->dai_props->cpu_dai.fmt    |= cinfo->daifmt;
+                priv->dai_props->codec_dai.fmt  |= cinfo->daifmt;
         }
 
         /*
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index eee75ebf961c..6232b7d307aa 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -182,16 +182,20 @@ unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
                                    struct rsnd_dai_stream *io,
                                    struct snd_pcm_runtime *runtime)
 {
+        struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
         struct rsnd_src *src;
-        unsigned int rate;
+        unsigned int rate = 0;
 
-        src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
+        if (src_mod) {
+                src = rsnd_mod_to_src(src_mod);
+
+                /*
+                 * return convert rate if SRC is used,
+                 * otherwise, return runtime->rate as usual
+                 */
+                rate = rsnd_src_convert_rate(src);
+        }
 
-        /*
-         * return convert rate if SRC is used,
-         * otherwise, return runtime->rate as usual
-         */
-        rate = rsnd_src_convert_rate(src);
         if (!rate)
                 rate = runtime->rate;
 
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b65ca10ca0d4..051c006281f5 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1253,7 +1253,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
         struct snd_soc_dai_link *dai_link = NULL;
         struct snd_soc_aux_dev *aux_dev = NULL;
         struct snd_soc_pcm_runtime *rtd;
-        const char *temp, *name;
+        const char *name;
         int ret = 0;
 
         if (!dailess) {
@@ -1267,10 +1267,6 @@ static int soc_post_component_init(struct snd_soc_card *card,
         }
         rtd->card = card;
 
-        /* machine controls, routes and widgets are not prefixed */
-        temp = codec->name_prefix;
-        codec->name_prefix = NULL;
-
         /* do machine specific initialization */
         if (!dailess && dai_link->init)
                 ret = dai_link->init(rtd);
@@ -1280,7 +1276,6 @@ static int soc_post_component_init(struct snd_soc_card *card,
                 dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
                 return ret;
         }
-        codec->name_prefix = temp;
 
         /* register the rtd device */
         rtd->codec = codec;
@@ -3624,14 +3619,14 @@ int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
 
 /**
- * snd_soc_of_xlate_tdm_slot - generate tx/rx slot mask.
+ * snd_soc_xlate_tdm_slot - generate tx/rx slot mask.
  * @slots: Number of slots in use.
  * @tx_mask: bitmask representing active TX slots.
  * @rx_mask: bitmask representing active RX slots.
  *
  * Generates the TDM tx and rx slot default masks for DAI.
  */
-static int snd_soc_of_xlate_tdm_slot_mask(unsigned int slots,
+static int snd_soc_xlate_tdm_slot_mask(unsigned int slots,
                                           unsigned int *tx_mask,
                                           unsigned int *rx_mask)
 {
@@ -3661,11 +3656,11 @@ static int snd_soc_of_xlate_tdm_slot_mask(unsigned int slots,
 int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
         unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
 {
-        if (dai->driver && dai->driver->ops->of_xlate_tdm_slot_mask)
-                dai->driver->ops->of_xlate_tdm_slot_mask(slots,
+        if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask)
+                dai->driver->ops->xlate_tdm_slot_mask(slots,
                                                 &tx_mask, &rx_mask);
         else
-                snd_soc_of_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
+                snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
 
         if (dai->driver && dai->driver->ops->set_tdm_slot)
                 return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
diff --git a/sound/soc/tegra/tegra20_ac97.c b/sound/soc/tegra/tegra20_ac97.c
index 0a59e2383ef3..3b0fa12dbff7 100644
--- a/sound/soc/tegra/tegra20_ac97.c
+++ b/sound/soc/tegra/tegra20_ac97.c
@@ -37,7 +37,6 @@
 #include <sound/soc.h>
 #include <sound/dmaengine_pcm.h>
 
-#include "tegra_asoc_utils.h"
 #include "tegra20_ac97.h"
 
 #define DRV_NAME "tegra20-ac97"
@@ -376,18 +375,10 @@ static int tegra20_ac97_platform_probe(struct platform_device *pdev)
         ac97->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
         ac97->playback_dma_data.maxburst = 4;
 
-        ret = tegra_asoc_utils_init(&ac97->util_data, &pdev->dev);
-        if (ret)
-                goto err_clk_put;
-
-        ret = tegra_asoc_utils_set_ac97_rate(&ac97->util_data);
-        if (ret)
-                goto err_asoc_utils_fini;
-
         ret = clk_prepare_enable(ac97->clk_ac97);
         if (ret) {
                 dev_err(&pdev->dev, "clk_enable failed: %d\n", ret);
-                goto err_asoc_utils_fini;
+                goto err;
         }
 
         ret = snd_soc_set_ac97_ops(&tegra20_ac97_ops);
@@ -419,8 +410,6 @@ err_unregister_component:
         snd_soc_unregister_component(&pdev->dev);
 err_clk_disable_unprepare:
         clk_disable_unprepare(ac97->clk_ac97);
-err_asoc_utils_fini:
-        tegra_asoc_utils_fini(&ac97->util_data);
 err_clk_put:
 err:
         snd_soc_set_ac97_ops(NULL);
@@ -434,8 +423,6 @@ static int tegra20_ac97_platform_remove(struct platform_device *pdev)
         tegra_pcm_platform_unregister(&pdev->dev);
         snd_soc_unregister_component(&pdev->dev);
 
-        tegra_asoc_utils_fini(&ac97->util_data);
-
         clk_disable_unprepare(ac97->clk_ac97);
 
         snd_soc_set_ac97_ops(NULL);
diff --git a/sound/soc/tegra/tegra20_ac97.h b/sound/soc/tegra/tegra20_ac97.h
index 4acb3aaba29b..0a39d823edcb 100644
--- a/sound/soc/tegra/tegra20_ac97.h
+++ b/sound/soc/tegra/tegra20_ac97.h
@@ -90,6 +90,5 @@ struct tegra20_ac97 {
         struct regmap *regmap;
         int reset_gpio;
         int sync_gpio;
-        struct tegra_asoc_utils_data util_data;
 };
 #endif /* __TEGRA20_AC97_H__ */
diff --git a/sound/soc/tegra/tegra_wm9712.c b/sound/soc/tegra/tegra_wm9712.c
index 45b57892b6a5..25a7f8211ecf 100644
--- a/sound/soc/tegra/tegra_wm9712.c
+++ b/sound/soc/tegra/tegra_wm9712.c
@@ -29,10 +29,13 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 
+#include "tegra_asoc_utils.h"
+
 #define DRV_NAME "tegra-snd-wm9712"
 
 struct tegra_wm9712 {
         struct platform_device *codec;
+        struct tegra_asoc_utils_data util_data;
 };
 
 static const struct snd_soc_dapm_widget tegra_wm9712_dapm_widgets[] = {
@@ -118,15 +121,25 @@ static int tegra_wm9712_driver_probe(struct platform_device *pdev)
 
         tegra_wm9712_dai.platform_of_node = tegra_wm9712_dai.cpu_of_node;
 
+        ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
+        if (ret)
+                goto codec_unregister;
+
+        ret = tegra_asoc_utils_set_ac97_rate(&machine->util_data);
+        if (ret)
+                goto asoc_utils_fini;
+
         ret = snd_soc_register_card(card);
         if (ret) {
                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
                         ret);
-                goto codec_unregister;
+                goto asoc_utils_fini;
         }
 
         return 0;
 
+asoc_utils_fini:
+        tegra_asoc_utils_fini(&machine->util_data);
 codec_unregister:
         platform_device_del(machine->codec);
 codec_put:
@@ -141,6 +154,8 @@ static int tegra_wm9712_driver_remove(struct platform_device *pdev)
 
         snd_soc_unregister_card(card);
 
+        tegra_asoc_utils_fini(&machine->util_data);
+
         platform_device_unregister(machine->codec);
 
         return 0;