[pulseaudio-tickets] [Bug 91471] Pulseaudio enables Surround 4.0, while chmap reports no RL and RR

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91471

--- Comment #3 from Arthur Borsboom <arthurborsboom at gmail.com> ---
Situation: alienware-patch applied to kernel 4.2.0-rc5, external subwoofer,
headset or headphones are not plugged in.

Test a)

Stop and start pulseaudio with verbose logging
Verify that the Surround4.0 with Analog Input profile is selected in
pavucontrol
Play music with Audacious
Stop music play

Result of grep matrix pulseverbose.log -C7:

(   4.258|   0.000) I: [pulseaudio] resampler.c: Forcing resampler 'copy',
because of fixed, identical sample rates.
(   4.258|   0.000) D: [pulseaudio] resampler.c: Resampler:
(   4.258|   0.000) D: [pulseaudio] resampler.c:   rate 44100 -> 44100 (method
copy)
(   4.258|   0.000) D: [pulseaudio] resampler.c:   format s16le -> s16le
(intermediate s16le)
(   4.258|   0.000) D: [pulseaudio] resampler.c:   channels 2 -> 4 (resampling
2)
(   4.258|   0.000) D: [pulseaudio] resampler.c: Channel matrix:
(   4.258|   0.000) D: [pulseaudio] resampler.c:        I00   I01 
(   4.258|   0.000) D: [pulseaudio] resampler.c:     +------------
(   4.258|   0.000) D: [pulseaudio] resampler.c: O00 | 1.000 0.000
(   4.258|   0.000) D: [pulseaudio] resampler.c: O01 | 0.000 1.000
(   4.258|   0.000) D: [pulseaudio] resampler.c: O02 | 1.000 0.000
(   4.258|   0.000) D: [pulseaudio] resampler.c: O03 | 0.000 1.000

Test b)

Stop and start pulseaudio with verbose logging
Verify that the Surround4.0 with Analog Input profile is selected in
pavucontrol
Play sound with speaker test -c4 -t wav -Dpulse
Wait for test to finish
Stop pulseaudio

Result of speaker-test

speaker-test 1.0.29

Playback device is pulse
Stream parameters are 48000Hz, S16_LE, 4 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 48 to 524288
Period size range from 16 to 174763
Using max buffer size 524288
Periods = 4
was set period_size = 131072
was set buffer_size = 524288
 0 - Front Left
 1 - Front Right
 3 - Rear Right
 2 - Rear Left
Time per period = 5.896920

Result of grep matrix pulseverbose.log -C7

<returns nothing>

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