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02de698ca8
USB Audio Class 1/2 have ability to change device's volume and mute by USB Host through class-specific control requests. Device also can notify Host about volume/mute change on its side through optional interrupt endpoint. This patch adds Volume and Mute ALSA controls which can be used by user to send and receive notifications to/from the USB Host about Volume and Mute change. These params come from f_uac* so volume and mute controls will be created only if the function support and enable each explicitly Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com> Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Link: https://lore.kernel.org/r/20210712125529.76070-3-pavel.hofman@ivitera.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|---|---|---|
| .. | ||
| function | ||
| legacy | ||
| udc | ||
| composite.c | ||
| config.c | ||
| configfs.c | ||
| configfs.h | ||
| epautoconf.c | ||
| functions.c | ||
| Kconfig | ||
| Makefile | ||
| u_f.c | ||
| u_f.h | ||
| u_os_desc.h | ||
| usbstring.c | ||