Comment 14 for bug 1286021

device become busy instead of channel not supported when testing profiles which need more than 4 channels

101| 0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile output:analog-surround-41
( 0.101| 0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on Analog Surround 4.1 (analog-surround-41)
( 0.101| 0.000) D: [pulseaudio] alsa-util.c: Trying surround41:0 with SND_PCM_NO_AUTO_FORMAT ...
( 0.101| 0.000) I: [pulseaudio] (alsa-lib)pcm_route.c: Found no matching channel map
( 0.101| 0.000) I: [pulseaudio] alsa-util.c: Error opening PCM device surround41:0: Invalid argument
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Caching failure to open output:analog-surround-41
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-41+input:analog-mono - will not be able to open output:analog-surround-41
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-41+input:analog-stereo - will not be able to open output:analog-surround-41
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-41+input:iec958-stereo - will not be able to open output:analog-surround-41
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile output:analog-surround-50
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on Analog Surround 5.0 (analog-surround-50)
( 0.102| 0.000) D: [pulseaudio] alsa-util.c: Trying surround50:0 with SND_PCM_NO_AUTO_FORMAT ...
( 0.102| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: open '/dev/snd/pcmC0D0p' failed (-16)
( 0.102| 0.000) I: [pulseaudio] alsa-util.c: Error opening PCM device surround50:0: Device or resource busy
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Caching failure to open output:analog-surround-50
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-50+input:analog-mono - will not be able to open output:analog-surround-50
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-50+input:analog-stereo - will not be able to open output:analog-surround-50
( 0.102| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-50+input:iec958-stereo - will not be able to open output:analog-surround-50
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile output:analog-surround-51
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on Analog Surround 5.1 (analog-surround-51)
( 0.103| 0.000) D: [pulseaudio] alsa-util.c: Trying surround51:0 with SND_PCM_NO_AUTO_FORMAT ...
( 0.103| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: open '/dev/snd/pcmC0D0p' failed (-16)
( 0.103| 0.000) I: [pulseaudio] alsa-util.c: Error opening PCM device surround51:0: Device or resource busy
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Caching failure to open output:analog-surround-51
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-51+input:analog-mono - will not be able to open output:analog-surround-51
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-51+input:analog-stereo - will not be able to open output:analog-surround-51
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-51+input:iec958-stereo - will not be able to open output:analog-surround-51
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile output:analog-surround-71
( 0.103| 0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on Analog Surround 7.1 (analog-surround-71)
( 0.103| 0.000) D: [pulseaudio] alsa-util.c: Trying surround71:0 with SND_PCM_NO_AUTO_FORMAT ...
( 0.104| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: open '/dev/snd/pcmC0D0p' failed (-16)
( 0.104| 0.000) I: [pulseaudio] alsa-util.c: Error opening PCM device surround71:0: Device or resource busy
( 0.104| 0.000) D: [pulseaudio] alsa-mixer.c: Caching failure to open output:analog-surround-71

0.113| 0.000) D: [pulseaudio] alsa-util.c: Trying surround21:0 with SND_PCM_NO_AUTO_FORMAT ...
( 0.113| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: open '/dev/snd/pcmC0D0p' failed (-16)
( 0.113| 0.000) I: [pulseaudio] alsa-util.c: Error opening PCM device surround21:0: Device or resource busy