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authorTakashi Iwai <tiwai@suse.de>2020-11-23 09:53:41 +0100
committerTakashi Iwai <tiwai@suse.de>2020-11-23 15:16:45 +0100
commit8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24 (patch)
tree65590c26c5413bab72190bde32347b55ba26e72e
parentALSA: usb-audio: Use unsigned char for iface and altsettings fields (diff)
downloadlinux-dev-8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24.tar.xz
linux-dev-8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24.zip
ALSA: usb-audio: Show sync endpoint information in proc outputs
Now the sync endpoints have been parsed at the beginning and won't be changed dynamically, let's show them in the proc outputs for helping debugging. Tested-by: Keith Milner <kamilner@superlative.org> Tested-by: Dylan Robinson <dylan_robinson@motu.com> Link: https://lore.kernel.org/r/20201123085347.19667-36-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/usb/proc.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/sound/usb/proc.c b/sound/usb/proc.c
index 447ba32e281c..e9bbaea7b2fa 100644
--- a/sound/usb/proc.c
+++ b/sound/usb/proc.c
@@ -108,7 +108,8 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
snd_pcm_format_name(fmt));
snd_iprintf(buffer, "\n");
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
- snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
+ snd_iprintf(buffer, " Endpoint: 0x%02x (%d %s) (%s)\n",
+ fp->endpoint,
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
fp->endpoint & USB_DIR_IN ? "IN" : "OUT",
sync_types[(fp->ep_attr & USB_ENDPOINT_SYNCTYPE) >> 2]);
@@ -150,6 +151,19 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
snd_iprintf(buffer, "\n");
}
+ if (fp->sync_ep) {
+ snd_iprintf(buffer, " Sync Endpoint: 0x%02x (%d %s)\n",
+ fp->sync_ep,
+ fp->sync_ep & USB_ENDPOINT_NUMBER_MASK,
+ fp->sync_ep & USB_DIR_IN ? "IN" : "OUT");
+ snd_iprintf(buffer, " Sync EP Interface: %d\n",
+ fp->sync_iface);
+ snd_iprintf(buffer, " Sync EP Altset: %d\n",
+ fp->sync_altsetting);
+ snd_iprintf(buffer, " Implicit Feedback Mode: %s\n",
+ fp->implicit_fb ? "Yes" : "No");
+ }
+
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
// snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}