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authorPavel Hofman <pavel.hofman@ivitera.com>2022-01-27 12:43:28 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-31 14:26:18 +0100
commit4ed941a99996ffeec4b4239df2db82d8b7b183dc (patch)
treeaa92fb14ea75d01897436499d7545406b069d779 /Documentation/usb/gadget-testing.rst
parente1f09f409f6c80f6044b369b2dcac000d3778d5f (diff)
downloadlinux-4ed941a99996ffeec4b4239df2db82d8b7b183dc.tar.gz
usb: gadget: f_uac2: Add HS/SS bInterval to configfs
Allow configuring the HS/SS bInterval through configfs, via
parameters p_hs_bint/c_hs_bint separately for playback/capture.

The default param values are left at the original 4.

Suggested-by: John Keeping <john@metanate.com>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20220127114331.41367-2-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/usb/gadget-testing.rst')
-rw-r--r--Documentation/usb/gadget-testing.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 6e8fdfaf19e7..bd91191683be 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -734,6 +734,7 @@ The uac2 function provides these attributes in its function directory:
 	c_volume_min     capture volume control min value (in 1/256 dB)
 	c_volume_max     capture volume control max value (in 1/256 dB)
 	c_volume_res     capture volume control resolution (in 1/256 dB)
+	c_hs_bint        capture bInterval for HS/SS (1-4)
 	fb_max           maximum extra bandwidth in async mode
 	p_chmask         playback channel mask
 	p_srate          list of playback sampling rates (comma-separated)
@@ -743,6 +744,7 @@ The uac2 function provides these attributes in its function directory:
 	p_volume_min     playback volume control min value (in 1/256 dB)
 	p_volume_max     playback volume control max value (in 1/256 dB)
 	p_volume_res     playback volume control resolution (in 1/256 dB)
+	p_hs_bint        playback bInterval for HS/SS (1-4)
 	req_number       the number of pre-allocated request for both capture
 	                 and playback
 	function_name    name of the interface