usb: gadget: f_uac1: Expose all string descriptors through configfs.

This makes all string descriptors configurable for the UAC1 gadget
so the user can configure names of terminals/controls/alt modes.

Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/r/CO1PR17MB541911B0C80D21E4B575E48CE1112@CO1PR17MB5419.namprd17.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index b086c7ab72f0..a89b49e639c3 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -957,6 +957,18 @@ The uac1 function provides these attributes in its function directory:
 	req_number       the number of pre-allocated requests for both capture
 	                 and playback
 	function_name    name of the interface
+	p_it_name        playback input terminal name
+	p_it_ch_name     playback channels name
+	p_ot_name        playback output terminal name
+	p_fu_name        playback functional unit name
+	p_alt0_name      playback alt mode 0 name
+	p_alt1_name      playback alt mode 1 name
+	c_it_name        capture input terminal name
+	c_it_ch_name     capture channels name
+	c_ot_name        capture output terminal name
+	c_fu_name        capture functional unit name
+	c_alt0_name      capture alt mode 0 name
+	c_alt1_name      capture alt mode 1 name
 	================ ====================================================
 
 The attributes have sane default values.