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| author | Takashi Iwai <tiwai@suse.de> | 2020-11-23 09:53:41 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-11-23 15:16:45 +0100 |
| commit | 8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24 (patch) | |
| tree | 65590c26c5413bab72190bde32347b55ba26e72e /sound/usb/proc.c | |
| parent | ALSA: usb-audio: Use unsigned char for iface and altsettings fields (diff) | |
| download | linux-8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24.tar.xz linux-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>
Diffstat (limited to 'sound/usb/proc.c')
| -rw-r--r-- | sound/usb/proc.c | 16 |
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); } |