[v1] Some fix patches for uvc gadget function

[PATCH 0/4] Some fix patches for uvc gadget function

Xu Yang posted 4 patches 1 month ago

Diff against v2
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drivers/usb/gadget/function/f_uvc.c     |  4 ++++
drivers/usb/gadget/function/uvc.h       |  3 ++-
drivers/usb/gadget/function/uvc_queue.c | 23 +++++++++++++++++++----
drivers/usb/gadget/function/uvc_video.c | 14 +++++++-------
4 files changed, 32 insertions(+), 12 deletions(-)

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[PATCH 0/4] Some fix patches for uvc gadget function

Posted by Xu Yang 1 month ago

Recenly when test uvc gadget function I find some YUYV pixel format
720p and 1080p stream can't output normally. However, small resulution
and MJPEG format stream works fine. The first patch#1 is to fix the issue.

Patch#2 and #3 are small fix or improvement.

For patch#4: it's a workaround for a long-term issue in videobuf2. With
it, many device can work well and not solely based on the SG allocation
method.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
---
Xu Yang (4):
      usb: gadget: uvc: fix req_payload_size calculation
      usb: gadget: uvc: fix interval_duration calculation
      usb: gadget: uvc: improve error handling in uvcg_video_init()
      usb: gadget: uvc: retry vb2_reqbufs() with vb_vmalloc_memops if use_sg fail

 drivers/usb/gadget/function/f_uvc.c     |  4 ++++
 drivers/usb/gadget/function/uvc.h       |  3 ++-
 drivers/usb/gadget/function/uvc_queue.c | 23 +++++++++++++++++++----
 drivers/usb/gadget/function/uvc_video.c | 14 +++++++-------
 4 files changed, 32 insertions(+), 12 deletions(-)
---
base-commit: 56a512a9b4107079f68701e7d55da8507eb963d9
change-id: 20260108-uvc-gadget-fix-patch-aa5996332bb5

Best regards,
-- 
Xu Yang <xu.yang_2@nxp.com>