+static unsigned int azx_skl_get_dpib_pos(struct azx *chip,
+ struct azx_dev *azx_dev)
+{
+ return _snd_hdac_chip_readl(azx_bus(chip),
+ AZX_REG_VS_SDXDPIB_XBASE +
+ (AZX_REG_VS_SDXDPIB_XINTERVAL *
+ azx_dev->core.index));
+}
+
+/* get the current DMA position with correction on SKL+ chips */
+static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)
+{
+ /* DPIB register gives a more accurate position for playback */
+ if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ return azx_skl_get_dpib_pos(chip, azx_dev);
+
+ /* For capture, we need to read posbuf, but it requires a delay
+ * for the possible boundary overlap; the read of DPIB fetches the
+ * actual posbuf
+ */
+ udelay(20);
+ azx_skl_get_dpib_pos(chip, azx_dev);
+ return azx_get_pos_posbuf(chip, azx_dev);
+}
+