]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
ASoC: soc-dai: add get_sdw_stream() callback
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Tue, 25 Feb 2020 17:00:40 +0000 (11:00 -0600)
committerMark Brown <broonie@kernel.org>
Wed, 26 Feb 2020 17:50:37 +0000 (17:50 +0000)
We only have a set() operation, provide the dual get() operation to
retrieve the stream information.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200225170041.23644-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
include/sound/soc-dai.h

index 92c382690930e460089d9937d88a90032e9783c2..7f70db149b812a2ed4c06b23a857d74d79b92e26 100644 (file)
@@ -202,6 +202,8 @@ struct snd_soc_dai_ops {
 
        int (*set_sdw_stream)(struct snd_soc_dai *dai,
                        void *stream, int direction);
+       void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
+
        /*
         * DAI digital mute - optional.
         * Called by soc-core to minimise any pops.
@@ -423,4 +425,23 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
                return -ENOTSUPP;
 }
 
+/**
+ * snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
+ * @dai: DAI
+ * @direction: Stream direction(Playback/Capture)
+ *
+ * This routine only retrieves that was previously configured
+ * with snd_soc_dai_get_sdw_stream()
+ *
+ * Returns pointer to stream or NULL;
+ */
+static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
+                                              int direction)
+{
+       if (dai->driver->ops->get_sdw_stream)
+               return dai->driver->ops->get_sdw_stream(dai, direction);
+       else
+               return NULL;
+}
+
 #endif