> As a blind shot: might the stall be avoided by passing the recently > introduced chip->playback_first flag? The revised patch is below. This appears to fix the issue, thank you! I am curious as to why this is not required for Geraldo's DDJ-SR2. My initial thought was that certain devices that restrict capture unless regular SysEx/Control URBs are sent may mean that Playback first support is required (e.g. 750, 850, 450). Please correct me if this intuition is incorrect. Olivia
