From 8ec08b1a5cf8e4de1db8919a27d0e2a801b09d24 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 23 Nov 2020 09:53:41 +0100 Subject: [PATCH] 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 Tested-by: Dylan Robinson Link: https://lore.kernel.org/r/20201123085347.19667-36-tiwai@suse.de Signed-off-by: Takashi Iwai --- sound/usb/proc.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) 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); }