diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 020e7a71f26ceb..c6a23a264ba37a 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1758,11 +1758,9 @@ snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_sof_dai *dai channel_count = params_channels(params); sample_rate = params_rate(params); bit_depth = params_width(params); - /* - * Look for 32-bit blob first instead of 16-bit if copier - * supports multiple formats - */ - if (bit_depth == 16 && !single_bitdepth) { + + /* Prefer 32-bit blob if copier supports multiple formats */ + if (bit_depth <= 16 && !single_bitdepth) { dev_dbg(sdev->dev, "Looking for 32-bit blob first for DMIC\n"); format_change = true; bit_depth = 32; @@ -1805,10 +1803,18 @@ snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_sof_dai *dai if (format_change) { /* * The 32-bit blob was not found in NHLT table, try to - * look for one based on the params + * look for 16-bit for DMIC or based on the params for + * SSP */ - bit_depth = params_width(params); - format_change = false; + if (linktype == SOF_DAI_INTEL_DMIC) { + bit_depth = 16; + if (params_width(params) == 16) + format_change = false; + } else { + bit_depth = params_width(params); + format_change = false; + } + get_new_blob = true; } else if (linktype == SOF_DAI_INTEL_DMIC && !single_bitdepth) { /* @@ -1843,7 +1849,7 @@ snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_sof_dai *dai *len = cfg->size >> 2; *dst = (u32 *)cfg->caps; - if (format_change) { + if (format_change || params_format(params) == SNDRV_PCM_FORMAT_FLOAT_LE) { /* * Update the params to reflect that different blob was loaded * instead of the requested bit depth (16 -> 32 or 32 -> 16).