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authorYunhao Tian <t123yh.xyz@gmail.com>2022-01-22 19:24:41 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-26 14:10:44 +0100
commit993a44fa85c1ea5989fb5c46236ca2e3cfd71b78 (patch)
tree46c6d2a9c6c7de6e7481524261aae193624bef56 /Documentation/usb
parentdfb05b5dc3afd90e564b69b88ff6be6947a0f32f (diff)
downloadlinux-rt-993a44fa85c1ea5989fb5c46236ca2e3cfd71b78.tar.gz
usb: gadget: f_uac2: allow changing interface name via configfs
This adds "function_name" configfs entry to change string value of the iInterface field. This field will be shown in Windows' audio settings panel, so being able to change it is useful. It will default to "Source/Sink" just as before. Signed-off-by: Yunhao Tian <t123yh.xyz@gmail.com> Link: https://lore.kernel.org/r/20220122112446.1415547-2-t123yh.xyz@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/usb')
-rw-r--r--Documentation/usb/gadget-testing.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 1792bd88f666..6e8fdfaf19e7 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -934,6 +934,7 @@ The uac1 function provides these attributes in its function directory:
p_volume_res playback volume control resolution (in 1/256 dB)
req_number the number of pre-allocated requests for both capture
and playback
+ function_name name of the interface
================ ====================================================
The attributes have sane default values.