ASoC: msm: Add compressed TX support

There is use case that the HDMI input goes through MI2S
TX interface to ADSP. Add compressed TX support for
this use case.

Change-Id: I510e3e63b68ea1887e4c99ebf1c6f76112abbed5
Signed-off-by: Subhash Chandra Bose Naripeddy <snariped@codeaurora.org>
diff --git a/include/sound/compress_offload.h b/include/sound/compress_offload.h
index 9769dea..e59d29c 100644
--- a/include/sound/compress_offload.h
+++ b/include/sound/compress_offload.h
@@ -123,6 +123,16 @@
 };
 
 /**
+ * struct snd_compr_audio_info: compressed input audio information
+ * @frame_size: legth of the encoded frame with valid data
+ * @reserved: reserved for furture use
+ */
+struct snd_compr_audio_info {
+	uint32_t frame_size;
+	uint32_t reserved[15];
+};
+
+/**
  * compress path ioctl definitions
  * SNDRV_COMPRESS_GET_CAPS: Query capability of DSP
  * SNDRV_COMPRESS_GET_CODEC_CAPS: Query capability of a codec