[ALSA] rme9652 - Fix the hw_pointer check

The negative check in hw_pointer callback doesn't work because the
value is unsigned.  Cast to int in the comparison to fix this.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
1 file changed