I'm not the first one to run into this, see e.g. https://lore.kernel.org/all/29QBMJU8DE71E.2YZSH8IHT5HMH@mforney.org/

Signed-off-by: Oswald Buddenhagen oswald.buddenhagen@gmx.de --- include/uapi/sound/asound.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index de6810e94abe..7eecc99ddef7 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -570,7 +570,8 @@ struct __snd_pcm_mmap_status64 { struct __snd_pcm_mmap_control64 { __pad_before_uframe __pad1; snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ - __pad_before_uframe __pad2; + __pad_before_uframe __pad2; // This should be __pad_after_uframe, but binary + // backwards compatibility constraints prevent a fix.

__pad_before_uframe __pad3; snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */