[PATCH v4 2/6] ASoC: qcom: audioreach: add documentation for i2s interface type

[srinivas.kandagatla@xxxxxxxxxxxxxxxx]

From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxxxxxxxx>

Add documentation of possible values for I2S interface types,
currently this is only documented for DMA module.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 include/uapi/sound/snd_ar_tokens.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/uapi/sound/snd_ar_tokens.h b/include/uapi/sound/snd_ar_tokens.h
index bc0b1bede00c..92cf72a6fdd4 100644
--- a/include/uapi/sound/snd_ar_tokens.h
+++ b/include/uapi/sound/snd_ar_tokens.h
@@ -118,6 +118,12 @@ enum ar_event_types {
  *						LPAIF_WSA = 2,
  *						LPAIF_VA = 3,
  *						LPAIF_AXI = 4
+ * Possible values for MI2S
+ *						I2S_INTF_TYPE_PRIMARY = 0,
+ *						I2S_INTF_TYPE_SECONDARY = 1,
+ *						I2S_INTF_TYPE_TERTIARY = 2,
+ *						I2S_INTF_TYPE_QUATERNARY = 3,
+ *						I2S_INTF_TYPE_QUINARY = 4,
  *
  * %AR_TKN_U32_MODULE_FMT_INTERLEAVE:		PCM Interleaving
  *						PCM_INTERLEAVED = 1,
-- 
2.50.0