Hello! On 6/20/2018 12:55 AM, Sebastian Andrzej Siewior wrote:
Using usb_fill_int_urb() helps to find code which initializes an URB. A grep for members of the struct (like ->complete) reveal lots of other things, too. data_ep_set_params() additionally sets urb->transfer_buffer_length which was not the case earlier. data_ep_set_params() and data_ep_set_params()
These 2 are the same function?
ensure that syncinterval is within the allowed range on HS/SS. The interval value seems to come from snd_usb_parse_datainterval() which is bInterval - 1 and only in the rage 1 … 4. So in order to keep the magic wokring I pass datainterval + 1.
Working.
Cc: Jaroslav Kysela <perex@xxxxxxxx> Cc: Takashi Iwai <tiwai@xxxxxxxx> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
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