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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - LFE channel not synthesized properly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95021#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - LFE channel not synthesized properly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95021">bug 95021</a>
from <span class="vcard"><a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> <span class="fn">Raymond</span></a>
</span></b>
<pre>(In reply to Tanu Kaskinen from <a href="show_bug.cgi?id=95021#c21">comment #21</a>)
<span class="quote">> Pulseaudio uses the "surround21" device, whose channel map is defined as
> "front-left,front-right,lfe". It's alsa's job to ship configuration that
> arranges things so that "surround21" works as expected.</span >
do you mean druver should change the channel map for two different laptops if
pulseaudio only provide front-left, front-right, lfe ?
+ { .channels = 4,
+ .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
+ SNDRV_CHMAP_LFE, SNDRV_CHMAP_NA } },
+ { .channels = 4,
+ .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
+ SNDRV_CHMAP_NA, SNDRV_CHMAP_LFE } },</pre>
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