From 3e964432f56f05a8ef639902796e476456b230ad Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Tue, 14 Mar 2006 08:06:12 +0100 Subject: [PATCH] [ALSA] usb-audio: add error message about missing split iso support Modules: USB generic driver Add an error message for -ENOSYS for situations when split iso support is needed but not enabled. Signed-off-by: Clemens Ladisch --- sound/usb/usbaudio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 45157d3cf789..6fad2c40c77c 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -788,6 +788,10 @@ static const char *usb_error_string(int err) return "device disabled"; case -EHOSTUNREACH: return "device suspended"; +#ifndef CONFIG_USB_EHCI_SPLIT_ISO + case -ENOSYS: + return "enable CONFIG_USB_EHCI_SPLIT_ISO to play through a hub"; +#endif case -EINVAL: case -EAGAIN: case -EFBIG: