ASoC: Pass dai_link as argument to platform suspend and resume

Passing pointer to relevant dai_link provides easier reach to the
ASoC tree in suspend/resume of snd_soc_platform. It also provides
direct access to the dai at the other end of the dai_link.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

3 files changed, 9 insertions, 6 deletions

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 5d234a8c2506..27a2ad9a6b8b 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -212,6 +212,7 @@ struct snd_soc_dai_mode;
 struct snd_soc_pcm_runtime;
 struct snd_soc_dai;
 struct snd_soc_platform;
+struct snd_soc_dai_link;
 struct snd_soc_codec;
 struct soc_enum;
 struct snd_soc_ac97_ops;
@@ -461,8 +462,8 @@ struct snd_soc_platform {
 
         int (*probe)(struct platform_device *pdev);
         int (*remove)(struct platform_device *pdev);
-        int (*suspend)(struct snd_soc_dai *dai);
-        int (*resume)(struct snd_soc_dai *dai);
+        int (*suspend)(struct snd_soc_dai_link *dai_link);
+        int (*resume)(struct snd_soc_dai_link *dai_link);
 
         /* pcm creation and destruction */
         int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c
index 9ef6b96373f5..67a32920af22 100644
--- a/sound/soc/atmel/atmel-pcm.c
+++ b/sound/soc/atmel/atmel-pcm.c
@@ -415,8 +415,9 @@ static void atmel_pcm_free_dma_buffers(struct snd_pcm *pcm)
 }
 
 #ifdef CONFIG_PM
-static int atmel_pcm_suspend(struct snd_soc_dai *dai)
+static int atmel_pcm_suspend(struct snd_soc_dai_link *dai_link)
 {
+        struct snd_soc_dai *dai = dai_link->cpu_dai;
         struct snd_pcm_runtime *runtime = dai->runtime;
         struct atmel_runtime_data *prtd;
         struct atmel_pcm_dma_params *params;
@@ -439,8 +440,9 @@ static int atmel_pcm_suspend(struct snd_soc_dai *dai)
         return 0;
 }
 
-static int atmel_pcm_resume(struct snd_soc_dai *dai)
+static int atmel_pcm_resume(struct snd_soc_dai_link *dai_link)
 {
+        struct snd_soc_dai *dai = dai_link->cpu_dai;
         struct snd_pcm_runtime *runtime = dai->runtime;
         struct atmel_runtime_data *prtd;
         struct atmel_pcm_dma_params *params;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e1c0336868e1..524a85a73aca 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -854,7 +854,7 @@ static int soc_suspend(struct device *dev)
                 if (cpu_dai->suspend && !cpu_dai->ac97_control)
                         cpu_dai->suspend(cpu_dai);
                 if (platform->suspend)
-                        platform->suspend(cpu_dai);
+                        platform->suspend(&card->dai_link[i]);
         }
 
         /* close any waiting streams and save state */
@@ -943,7 +943,7 @@ static void soc_resume_deferred(struct work_struct *work)
                 if (cpu_dai->resume && !cpu_dai->ac97_control)
                         cpu_dai->resume(cpu_dai);
                 if (platform->resume)
-                        platform->resume(cpu_dai);
+                        platform->resume(&card->dai_link[i]);
         }
 
         if (card->resume_post)