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Diffstat (limited to 'sound/soc/intel/skylake/skl-topology.c')
-rw-r--r--sound/soc/intel/skylake/skl-topology.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index a1f4478fabcb..3e036b0349b9 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -154,13 +154,32 @@ static void skl_dump_mconfig(struct skl_sst *ctx,
dev_dbg(ctx->dev, "ch_cfg = %d\n", mcfg->out_fmt[0].ch_cfg);
}
+static void skl_tplg_update_chmap(struct skl_module_fmt *fmt, int chs)
+{
+ int slot_map = 0xFFFFFFFF;
+ int start_slot = 0;
+ int i;
+
+ for (i = 0; i < chs; i++) {
+ /*
+ * For 2 channels with starting slot as 0, slot map will
+ * look like 0xFFFFFF10.
+ */
+ slot_map &= (~(0xF << (4 * i)) | (start_slot << (4 * i)));
+ start_slot++;
+ }
+ fmt->ch_map = slot_map;
+}
+
static void skl_tplg_update_params(struct skl_module_fmt *fmt,
struct skl_pipe_params *params, int fixup)
{
if (fixup & SKL_RATE_FIXUP_MASK)
fmt->s_freq = params->s_freq;
- if (fixup & SKL_CH_FIXUP_MASK)
+ if (fixup & SKL_CH_FIXUP_MASK) {
fmt->channels = params->ch;
+ skl_tplg_update_chmap(fmt, fmt->channels);
+ }
if (fixup & SKL_FMT_FIXUP_MASK) {
fmt->valid_bit_depth = skl_get_bit_depth(params->s_fmt);