For more debug and usability information, add the entry showing the
DSD raw states and the channel mapping in each stream proc file.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/usb/proc.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/sound/usb/proc.c b/sound/usb/proc.c
index 4174ad11fca6..5a36e192ebb0 100644
--- a/sound/usb/proc.c
+++ b/sound/usb/proc.c
@@ -54,6 +54,38 @@ void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
proc_audio_usbid_read);
}
+static const char * const channel_labels[] = {
+ [SNDRV_CHMAP_NA] = "N/A",
+ [SNDRV_CHMAP_MONO] = "MONO",
+ [SNDRV_CHMAP_FL] = "FL",
+ [SNDRV_CHMAP_FR] = "FR",
+ [SNDRV_CHMAP_FC] = "FC",
+ [SNDRV_CHMAP_LFE] = "LFE",
+ [SNDRV_CHMAP_RL] = "RL",
+ [SNDRV_CHMAP_RR] = "RR",
+ [SNDRV_CHMAP_FLC] = "FLC",
+ [SNDRV_CHMAP_FRC] = "FRC",
+ [SNDRV_CHMAP_RC] = "RC",
+ [SNDRV_CHMAP_SL] = "SL",
+ [SNDRV_CHMAP_SR] = "SR",
+ [SNDRV_CHMAP_TC] = "TC",
+ [SNDRV_CHMAP_TFL] = "TFL",
+ [SNDRV_CHMAP_TFC] = "TFC",
+ [SNDRV_CHMAP_TFR] = "TFR",
+ [SNDRV_CHMAP_TRL] = "TRL",
+ [SNDRV_CHMAP_TRC] = "TRC",
+ [SNDRV_CHMAP_TRR] = "TRR",
+ [SNDRV_CHMAP_TFLC] = "TFLC",
+ [SNDRV_CHMAP_TFRC] = "TFRC",
+ [SNDRV_CHMAP_LLFE] = "LLFE",
+ [SNDRV_CHMAP_RLFE] = "RLFE",
+ [SNDRV_CHMAP_TSL] = "TSL",
+ [SNDRV_CHMAP_TSR] = "TSR",
+ [SNDRV_CHMAP_BC] = "BC",
+ [SNDRV_CHMAP_RLC] = "RLC",
+ [SNDRV_CHMAP_RRC] = "RRC",
+};
+
/*
* proc interface for list the supported pcm formats
*/
@@ -97,6 +129,27 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
snd_iprintf(buffer, " Data packet interval: %d us\n",
125 * (1 << fp->datainterval));
snd_iprintf(buffer, " Bits: %d\n", fp->fmt_bits);
+
+ if (fp->dsd_raw)
+ snd_iprintf(buffer, " DSD raw: DOP=%d, bitrev=%d\n",
+ fp->dsd_dop, fp->dsd_bitrev);
+
+ if (fp->chmap) {
+ const struct snd_pcm_chmap_elem *map = fp->chmap;
+ int c;
+
+ snd_iprintf(buffer, " Channel map:");
+ for (c = 0; c < map->channels; c++) {
+ if (map->map[c] >= sizeof(channel_labels) ||
+ !channel_labels[map->map[c]])
+ snd_iprintf(buffer, " --");
+ else
+ snd_iprintf(buffer, " %s",
+ channel_labels[map->map[c]]);
+ }
+ snd_iprintf(buffer, "\n");
+ }
+
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
// snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}
--
2.16.4
