/* initialize chip */
azx_init_chip(chip, 1);
+ /*
+ * Playback (for 44.1K/48K, 2-channel, 16-bps) fails with
+ * 4 SDO lines due to legacy design limitation. Following
+ * is, from HD Audio Specification (Revision 1.0a), used to
+ * control striping of the stream across multiple SDO lines
+ * for sample rates <= 48K.
+ *
+ * { ((num_channels * bits_per_sample) / number of SDOs) >= 8 }
+ *
+ * Due to legacy design issue it is recommended that above
+ * ratio must be greater than 8. Since number of SDO lines is
+ * in powers of 2, next available ratio is 16 which can be
+ * used as a limiting factor here.
+ */
+ if (of_device_is_compatible(np, "nvidia,tegra194-hda"))
+ chip->bus.core.sdo_limit = 16;
+
/* codec detection */
if (!bus->codec_mask) {
dev_err(card->dev, "no codecs found!\n");