usb: gadget: u_audio: Support multiple sampling rates

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Implement support for multiple sampling rates in u_audio part of the
audio gadget. The currently configured rates are exposed through
read-only amixer controls 'Capture Rate' and 'Playback Rate'.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20220121155308.48794-3-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Julian Scheel 2022-01-21 16:53:00 +01:00 • committed by Greg Kroah-Hartman

parent ce6a7bfbe5

commit c565ad07ef

5 changed files with 152 additions and 2 deletions

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2

drivers/usb/gadget/function/f_uac1.c

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2

drivers/usb/gadget/function/f_uac2.c

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131

drivers/usb/gadget/function/u_audio.c

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10

drivers/usb/gadget/function/u_audio.h

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9

drivers/usb/gadget/function/uac_common.h

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