diff options
Diffstat (limited to 'sound/pci/au88x0/au88x0_core.c')
| -rw-r--r-- | sound/pci/au88x0/au88x0_core.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c index 23f49f356e0f..489150380eac 100644 --- a/sound/pci/au88x0/au88x0_core.c +++ b/sound/pci/au88x0/au88x0_core.c @@ -1249,14 +1249,22 @@ static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma) { } } -static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma) +static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma) { stream_t *dma = &vortex->dma_adb[adbdma]; - int temp; + int temp, page, delta; temp = hwread(vortex->mmio, VORTEX_ADBDMA_STAT + (adbdma << 2)); - temp = (dma->period_virt * dma->period_bytes) + (temp & (dma->period_bytes - 1)); - return temp; + page = (temp & ADB_SUBBUF_MASK) >> ADB_SUBBUF_SHIFT; + if (dma->nr_periods >= 4) + delta = (page - dma->period_real) & 3; + else { + delta = (page - dma->period_real); + if (delta < 0) + delta += dma->nr_periods; + } + return (dma->period_virt + delta) * dma->period_bytes + + (temp & (dma->period_bytes - 1)); } static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma) @@ -1498,7 +1506,7 @@ static int vortex_wtdma_getcursubuffer(vortex_t * vortex, int wtdma) POS_SHIFT) & POS_MASK); } #endif -static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma) +static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma) { stream_t *dma = &vortex->dma_wt[wtdma]; int temp; |