ALSA: usb-audio - Added functionality for E-mu 0404USB/0202USB/TrackerPre

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Added functionality:
1) Extension Units support (all XU settings now available at alsamixer,
   kmix, etc):
- "AnalogueIn soft limiter" switch;
- "Sample rate" selector (values 0,1,2,3,4,5 corresponds to 44.1 48 ...
  192 kHz);
- "DigitalIn CLK source" selector (internal/external) (**);
- "DigitalOut format SPDIF/AC3" switch (**);
(**)E-mu-0404usb only.

2) Automatic device sample rate adjustment depending on substream
   samplerate for both capture and playback substream.

[minor coding-style fixes by tiwai]

Signed-off-by: Sergiy Kovalchuk <cnb_zerg@yahoo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Sergiy Kovalchuk 2009-12-27 09:13:41 -08:00 • committed by Takashi Iwai

parent 44eba3e82b

commit 7d2b451e65

3 changed files with 133 additions and 4 deletions

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49

sound/usb/usbaudio.c

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13

sound/usb/usbaudio.h

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75

sound/usb/usbmixer.c

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