ALSA: scarlett2: Add additional input configuration parameters

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The 4th Gen Scarlett interfaces added software-controllable input gain
along with channel select, channel link, auto-gain, and "safe" mode.
Vocaster has software-controllable input gain and auto-gain but not
channel select, channel link, or safe mode.

Add a device info field safe_input_count to indicate how many channels
have a safe mode control, and use the presence of the input select and
input link switch configuration parameters to determine if those
controls should be created.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <167f04a37d0fb23f3077705df835adbc4f2b6a8e.1710264833.git.g@b4.vu>

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Geoffrey D. Bennett 2024-03-13 05:05:47 +10:30 • committed by Takashi Iwai

parent b1b3b25824

commit 1e48ddb7d7

1 changed files with 80 additions and 56 deletions

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sound/usb/mixer_scarlett2.c

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