ALSA: bebob: detect the number of available MIDI ports

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Current implementation counts the number of input/output plugs for MIDI
type and uses the count as the number of physical MIDI ports. However,
the number of channels of the port represents the count.

This commit fixes the bug by additional vendor-specific AVC command
extension.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210321032831.340278-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Sakamoto 2021-03-21 12:28:30 +09:00 • committed by Takashi Iwai

parent caa2715106

commit 5c6ea94f2b

3 changed files with 89 additions and 32 deletions

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2

sound/firewire/bebob/bebob.h

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36

sound/firewire/bebob/bebob_command.c

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83

sound/firewire/bebob/bebob_stream.c

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