From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
We always use the lowest N channels of stream. So, set ch_mask to
GENMASK(params_channels(params) - 1, 0).
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/hda-dai.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 01c544b7e046..810d2997794f 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -441,7 +441,6 @@ int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
const struct hda_dai_widget_dma_ops *ops;
- struct snd_soc_dai_link_ch_map *ch_maps;
struct hdac_ext_stream *hext_stream;
struct snd_soc_dai *dai;
struct snd_sof_dev *sdev;
@@ -449,7 +448,6 @@ int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
int cpu_dai_id;
int ch_mask;
int ret;
- int j;
ret = non_hda_dai_hw_params(substream, params, cpu_dai);
if (ret < 0) {
@@ -479,11 +477,7 @@ int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
if (!cpu_dai_found)
return -ENODEV;
- ch_mask = 0;
- for_each_link_ch_maps(rtd->dai_link, j, ch_maps) {
- if (ch_maps->cpu == cpu_dai_id)
- ch_mask |= ch_maps->ch_mask;
- }
+ ch_mask = GENMASK(params_channels(params) - 1, 0);
ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id,
ch_mask,
--
2.40.1
