usb: common: add helper to get role-switch-default-mode

Add helper to get "role-switch-default-mode", and convert it to the corresponding enum usb_dr_mode Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1626340078-29111-6-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


Author Chunfeng Yun Committer Greg Kroah-Hartman Date Commit Parent 72c1b91f
+21
2 changed files
+21
2 changed files