ALSA: Allow passing platform_data to devices attached to AC97 bus

This patch allows passing platform_data to devices attached to AC97 bus
(like touchscreens, battery measurement chips ...).

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 05991b0925e..25d62ac53fc 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -179,6 +179,7 @@ struct snd_soc_dai {
         int ac97_control;
 
         struct device *dev;
+        void *ac97_pdata;       /* platform_data for the ac97 codec */
 
         /* DAI callbacks */
         int (*probe)(struct platform_device *pdev,