---

yaml
---
r: 148261
b: refs/heads/master
c: 151ab22
h: refs/heads/master
i:
  148259: 32fe030
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b4df0a6c9d88cfff77c73d33873cd60f9ab909b6
+refs/heads/master: 151ab22cf71b7a1b9dd696d65a1a41e13d90cd00

trunk/sound/soc/soc-core.c

@@ -2387,13 +2387,48 @@ void snd_soc_unregister_platform(struct snd_soc_platform *platform)
 }
 EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
 
+static u64 codec_format_map[] = {
+	SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE,
+	SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE,
+	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE,
+	SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE,
+	SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,
+	SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE,
+	SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
+	SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
+	SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE,
+	SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE,
+	SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE,
+	SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE,
+	SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE,
+	SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE,
+	SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
+	| SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
+};
+
+/* Fix up the DAI formats for endianness: codecs don't actually see
+ * the endianness of the data but we're using the CPU format
+ * definitions which do need to include endianness so we ensure that
+ * codec DAIs always have both big and little endian variants set.
+ */
+static void fixup_codec_formats(struct snd_soc_pcm_stream *stream)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(codec_format_map); i++)
+		if (stream->formats & codec_format_map[i])
+			stream->formats |= codec_format_map[i];
+}
+
 /**
  * snd_soc_register_codec - Register a codec with the ASoC core
  *
  * @codec: codec to register
  */
 int snd_soc_register_codec(struct snd_soc_codec *codec)
 {
+	int i;
+
 	if (!codec->name)
 		return -EINVAL;
 
@@ -2403,6 +2438,11 @@ int snd_soc_register_codec(struct snd_soc_codec *codec)
 
 	INIT_LIST_HEAD(&codec->list);
 
+	for (i = 0; i < codec->num_dai; i++) {
+		fixup_codec_formats(&codec->dai[i].playback);
+		fixup_codec_formats(&codec->dai[i].capture);
+	}
+
 	mutex_lock(&client_mutex);
 	list_add(&codec->list, &codec_list);
 	snd_soc_instantiate_cards();