ALSA: hda - Show the fatal CORB/RIRB error more clearly
authorTakashi Iwai <tiwai@suse.de>
Fri, 26 Jul 2019 09:42:34 +0000 (11:42 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 26 Jul 2019 12:24:55 +0000 (14:24 +0200)
The last fallback of CORB/RIRB communication error recovery is to turn
on the single command mode, and this last resort usually means that
something is really screwed up.  Instead of a normal dev_err(), show
the error more clearly with dev_WARN() with the caller stack trace.

Also, show the bus-reset fallback also as an error, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_controller.c

index c8d1b4316245f3ac02ca0b25bbe6f63b66eceb02..4b4cb0fd51024b0ef7193e0b4d0dfe24127e3140 100644 (file)
@@ -864,10 +864,13 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr,
         */
        if (hbus->allow_bus_reset && !hbus->response_reset && !hbus->in_reset) {
                hbus->response_reset = 1;
+               dev_err(chip->card->dev,
+                       "No response from codec, resetting bus: last cmd=0x%08x\n",
+                       bus->last_cmd[addr]);
                return -EAGAIN; /* give a chance to retry */
        }
 
-       dev_err(chip->card->dev,
+       dev_WARN(chip->card->dev,
                "azx_get_response timeout, switching to single_cmd mode: last cmd=0x%08x\n",
                bus->last_cmd[addr]);
        chip->single_cmd = 1;