ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift()

[mirror_ubuntu-bionic-kernel.git] / sound / pci / au88x0 / au88x0_core.c

diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index 4a054d72011246db38fbdba68c25f3da0c0ce372..d3125c16968457436de5b659da2127157b5fbcba 100644 (file)
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -1444,9 +1444,8 @@ static int vortex_wtdma_bufshift(vortex_t * vortex, int wtdma)
        int page, p, pp, delta, i;
 
        page =
-           (hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)) &
-            WT_SUBBUF_MASK)
-           >> WT_SUBBUF_SHIFT;
+           (hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2))
+            >> WT_SUBBUF_SHIFT) & WT_SUBBUF_MASK;
        if (dma->nr_periods >= 4)
                delta = (page - dma->period_real) & 3;
        else {