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The watermark should never exceed the FIFO size, so we need to check against the current FIFO size instead of the theoretical maximum when we clamp the level 0 watermark. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1480354637-14209-4-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>