15 files changed, 33 insertions, 30 deletions

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index c0e04688c6ed..a3738be45563 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -206,7 +206,6 @@ struct snd_soc_dai_driver {
         /* DAI description */
         const char *name;
         unsigned int id;
-        int ac97_control;
         unsigned int base;
 
         /* DAI driver callbacks */
@@ -216,6 +215,8 @@ struct snd_soc_dai_driver {
         int (*resume)(struct snd_soc_dai *dai);
         /* compress dai */
         bool compress_dai;
+        /* DAI is also used for the control bus */
+        bool bus_control;
 
         /* ops */
         const struct snd_soc_dai_ops *ops;
diff --git a/sound/soc/au1x/ac97c.c b/sound/soc/au1x/ac97c.c
index c8a2de103c5f..5159a50a45a6 100644
--- a/sound/soc/au1x/ac97c.c
+++ b/sound/soc/au1x/ac97c.c
@@ -205,7 +205,7 @@ static int au1xac97c_dai_probe(struct snd_soc_dai *dai)
 
 static struct snd_soc_dai_driver au1xac97c_dai_driver = {
         .name                   = "alchemy-ac97c",
-        .ac97_control           = 1,
+        .bus_control            = true,
         .probe                  = au1xac97c_dai_probe,
         .playback = {
                 .rates          = AC97_RATES,
diff --git a/sound/soc/au1x/psc-ac97.c b/sound/soc/au1x/psc-ac97.c
index 84f31e1f9d24..c6daec98ff89 100644
--- a/sound/soc/au1x/psc-ac97.c
+++ b/sound/soc/au1x/psc-ac97.c
@@ -343,7 +343,7 @@ static const struct snd_soc_dai_ops au1xpsc_ac97_dai_ops = {
 };
 
 static const struct snd_soc_dai_driver au1xpsc_ac97_dai_template = {
-        .ac97_control           = 1,
+        .bus_control            = true,
         .probe                  = au1xpsc_ac97_probe,
         .playback = {
                 .rates          = AC97_RATES,
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c
index e82eb373a731..6bf21a6c02e4 100644
--- a/sound/soc/blackfin/bf5xx-ac97.c
+++ b/sound/soc/blackfin/bf5xx-ac97.c
@@ -260,7 +260,7 @@ static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
 #endif
 
 static struct snd_soc_dai_driver bfin_ac97_dai = {
-        .ac97_control = 1,
+        .bus_control = true,
         .suspend = bf5xx_ac97_suspend,
         .resume = bf5xx_ac97_resume,
         .playback = {
diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c
index f30dadf85b99..6b8a366b0211 100644
--- a/sound/soc/cirrus/ep93xx-ac97.c
+++ b/sound/soc/cirrus/ep93xx-ac97.c
@@ -338,7 +338,7 @@ static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = {
 static struct snd_soc_dai_driver ep93xx_ac97_dai = {
         .name           = "ep93xx-ac97",
         .id             = 0,
-        .ac97_control   = 1,
+        .bus_control    = true,
         .probe          = ep93xx_ac97_dai_probe,
         .playback       = {
                 .stream_name    = "AC97 Playback",
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index e6955170dc42..7fd3cbcd74c0 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1099,7 +1099,7 @@ static const struct snd_soc_component_driver fsl_ssi_component = {
 };
 
 static struct snd_soc_dai_driver fsl_ssi_ac97_dai = {
-        .ac97_control = 1,
+        .bus_control = true,
         .playback = {
                 .stream_name = "AC97 Playback",
                 .channels_min = 2,
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index ab2fdd76b693..60b0a5b1f1f1 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -382,7 +382,7 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
 
 static struct snd_soc_dai_driver imx_ac97_dai = {
         .probe = imx_ssi_dai_probe,
-        .ac97_control = 1,
+        .bus_control = true,
         .playback = {
                 .stream_name = "AC97 Playback",
                 .channels_min = 2,
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index 640801a60c12..c6ed6ba965a9 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -237,7 +237,7 @@ static const struct snd_soc_dai_ops psc_ac97_digital_ops = {
 static struct snd_soc_dai_driver psc_ac97_dai[] = {
 {
         .name = "mpc5200-psc-ac97.0",
-        .ac97_control = 1,
+        .bus_control = true,
         .probe  = psc_ac97_probe,
         .playback = {
                 .stream_name    = "AC97 Playback",
@@ -257,7 +257,7 @@ static struct snd_soc_dai_driver psc_ac97_dai[] = {
 },
 {
         .name = "mpc5200-psc-ac97.1",
-        .ac97_control = 1,
+        .bus_control = true,
         .playback = {
                 .stream_name    = "AC97 SPDIF",
                 .channels_min   = 1,
diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
index f2f67942b229..dff443e4b657 100644
--- a/sound/soc/nuc900/nuc900-ac97.c
+++ b/sound/soc/nuc900/nuc900-ac97.c
@@ -298,7 +298,7 @@ static const struct snd_soc_dai_ops nuc900_ac97_dai_ops = {
 static struct snd_soc_dai_driver nuc900_ac97_dai = {
         .probe                  = nuc900_ac97_probe,
         .remove                 = nuc900_ac97_remove,
-        .ac97_control           = 1,
+        .bus_control            = true,
         .playback = {
                 .rates          = SNDRV_PCM_RATE_8000_48000,
                 .formats        = SNDRV_PCM_FMTBIT_S16_LE,
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index ae956e3f4b9d..73ca2820c08c 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -157,7 +157,7 @@ static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
 static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
 {
         .name = "pxa2xx-ac97",
-        .ac97_control = 1,
+        .bus_control = true,
         .playback = {
                 .stream_name = "AC97 Playback",
                 .channels_min = 2,
@@ -174,7 +174,7 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
 },
 {
         .name = "pxa2xx-ac97-aux",
-        .ac97_control = 1,
+        .bus_control = true,
         .playback = {
                 .stream_name = "AC97 Aux Playback",
                 .channels_min = 1,
@@ -191,7 +191,7 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
 },
 {
         .name = "pxa2xx-ac97-mic",
-        .ac97_control = 1,
+        .bus_control = true,
         .capture = {
                 .stream_name = "AC97 Mic Capture",
                 .channels_min = 1,
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index e1615113fd84..7952a625669d 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -288,7 +288,7 @@ static int s3c_ac97_mic_dai_probe(struct snd_soc_dai *dai)
 static struct snd_soc_dai_driver s3c_ac97_dai[] = {
         [S3C_AC97_DAI_PCM] = {
                 .name = "samsung-ac97",
-                .ac97_control = 1,
+                .bus_control = true,
                 .playback = {
                         .stream_name = "AC97 Playback",
                         .channels_min = 2,
@@ -306,7 +306,7 @@ static struct snd_soc_dai_driver s3c_ac97_dai[] = {
         },
         [S3C_AC97_DAI_MIC] = {
                 .name = "samsung-ac97-mic",
-                .ac97_control = 1,
+                .bus_control = true,
                 .capture = {
                         .stream_name = "AC97 Mic Capture",
                         .channels_min = 1,
diff --git a/sound/soc/sh/hac.c b/sound/soc/sh/hac.c
index 0af2e4dfd139..d5f567e085ff 100644
--- a/sound/soc/sh/hac.c
+++ b/sound/soc/sh/hac.c
@@ -272,7 +272,7 @@ static const struct snd_soc_dai_ops hac_dai_ops = {
 static struct snd_soc_dai_driver sh4_hac_dai[] = {
 {
         .name                   = "hac-dai.0",
-        .ac97_control           = 1,
+        .bus_control            = true,
         .playback = {
                 .rates          = AC97_RATES,
                 .formats        = AC97_FMTS,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index fba6e28e18d3..f5bebca84b71 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -550,7 +550,7 @@ int snd_soc_suspend(struct device *dev)
                 if (card->rtd[i].dai_link->ignore_suspend)
                         continue;
 
-                if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
+                if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
                         cpu_dai->driver->suspend(cpu_dai);
                 if (platform->driver->suspend && !platform->suspended) {
                         platform->driver->suspend(cpu_dai);
@@ -629,7 +629,7 @@ int snd_soc_suspend(struct device *dev)
                 if (card->rtd[i].dai_link->ignore_suspend)
                         continue;
 
-                if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
+                if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control)
                         cpu_dai->driver->suspend(cpu_dai);
 
                 /* deactivate pins to sleep state */
@@ -665,14 +665,14 @@ static void soc_resume_deferred(struct work_struct *work)
         if (card->resume_pre)
                 card->resume_pre(card);
 
-        /* resume AC97 DAIs */
+        /* resume control bus DAIs */
         for (i = 0; i < card->num_rtd; i++) {
                 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
 
                 if (card->rtd[i].dai_link->ignore_suspend)
                         continue;
 
-                if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
+                if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
                         cpu_dai->driver->resume(cpu_dai);
         }
 
@@ -733,7 +733,7 @@ static void soc_resume_deferred(struct work_struct *work)
                 if (card->rtd[i].dai_link->ignore_suspend)
                         continue;
 
-                if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
+                if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
                         cpu_dai->driver->resume(cpu_dai);
                 if (platform->driver->resume && platform->suspended) {
                         platform->driver->resume(cpu_dai);
@@ -758,7 +758,8 @@ static void soc_resume_deferred(struct work_struct *work)
 int snd_soc_resume(struct device *dev)
 {
         struct snd_soc_card *card = dev_get_drvdata(dev);
-        int i, ac97_control = 0;
+        bool bus_control = false;
+        int i;
 
         /* If the card is not initialized yet there is nothing to do */
         if (!card->instantiated)
@@ -781,17 +782,18 @@ int snd_soc_resume(struct device *dev)
                 }
         }
 
-        /* AC97 devices might have other drivers hanging off them so
-         * need to resume immediately.  Other drivers don't have that
-         * problem and may take a substantial amount of time to resume
+        /*
+         * DAIs that also act as the control bus master might have other drivers
+         * hanging off them so need to resume immediately. Other drivers don't
+         * have that problem and may take a substantial amount of time to resume
          * due to I/O costs and anti-pop so handle them out of line.
          */
         for (i = 0; i < card->num_rtd; i++) {
                 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
-                ac97_control |= cpu_dai->driver->ac97_control;
+                bus_control |= cpu_dai->driver->bus_control;
         }
-        if (ac97_control) {
-                dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
+        if (bus_control) {
+                dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
                 soc_resume_deferred(&card->deferred_resume_work);
         } else {
                 dev_dbg(dev, "ASoC: Scheduling resume work\n");
diff --git a/sound/soc/tegra/tegra20_ac97.c b/sound/soc/tegra/tegra20_ac97.c
index 3b0fa12dbff7..29a9957d335a 100644
--- a/sound/soc/tegra/tegra20_ac97.c
+++ b/sound/soc/tegra/tegra20_ac97.c
@@ -228,7 +228,7 @@ static int tegra20_ac97_probe(struct snd_soc_dai *dai)
 
 static struct snd_soc_dai_driver tegra20_ac97_dai = {
         .name = "tegra-ac97-pcm",
-        .ac97_control = 1,
+        .bus_control = true,
         .probe = tegra20_ac97_probe,
         .playback = {
                 .stream_name = "PCM Playback",
diff --git a/sound/soc/txx9/txx9aclc-ac97.c b/sound/soc/txx9/txx9aclc-ac97.c
index 9edd68db9f48..f7135cdaa2ca 100644
--- a/sound/soc/txx9/txx9aclc-ac97.c
+++ b/sound/soc/txx9/txx9aclc-ac97.c
@@ -152,7 +152,7 @@ static int txx9aclc_ac97_remove(struct snd_soc_dai *dai)
 }
 
 static struct snd_soc_dai_driver txx9aclc_ac97_dai = {
-        .ac97_control           = 1,
+        .bus_control            = true,
         .probe                  = txx9aclc_ac97_probe,
         .remove                 = txx9aclc_ac97_remove,
         .playback = {