[ALSA] soc - Add device level DAPM event

Added a device level dapm event so that both the machine and codec are informed
when dapm events occur.

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/sound/soc.h b/include/sound/soc.h
index c22c65650405..add5f948e383 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -425,6 +425,9 @@ struct snd_soc_machine {
         int (*resume_pre)(struct platform_device *pdev);
         int (*resume_post)(struct platform_device *pdev);
 
+        /* callbacks */
+        int (*dapm_event)(struct snd_soc_machine *, int event);
+
         /* CPU <--> Codec DAI links  */
         struct snd_soc_dai_link *dai_link;
         int num_links;