FW expects sampling rate rounded up to next higher integer value when calculating ibs/obs. For example for 44.1k, it should be rounded up to 45 to calculate ibs/obs. Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@xxxxxxxxx> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx> --- sound/soc/intel/skylake/skl-topology.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 5a85f3a..cdb78b7 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -239,6 +239,7 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx, { int multiplier = 1; struct skl_module_fmt *in_fmt, *out_fmt; + int in_rate, out_rate; /* Since fixups is applied to pin 0 only, ibs, obs needs @@ -249,15 +250,24 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx, if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT) multiplier = 5; - mcfg->ibs = (in_fmt->s_freq / 1000) * - (mcfg->in_fmt->channels) * - (mcfg->in_fmt->bit_depth >> 3) * - multiplier; - - mcfg->obs = (mcfg->out_fmt->s_freq / 1000) * - (mcfg->out_fmt->channels) * - (mcfg->out_fmt->bit_depth >> 3) * - multiplier; + + if (in_fmt->s_freq % 1000) + in_rate = (in_fmt->s_freq / 1000) + 1; + else + in_rate = (in_fmt->s_freq / 1000); + + mcfg->ibs = in_rate * (mcfg->in_fmt->channels) * + (mcfg->in_fmt->bit_depth >> 3) * + multiplier; + + if (mcfg->out_fmt->s_freq % 1000) + out_rate = (mcfg->out_fmt->s_freq / 1000) + 1; + else + out_rate = (mcfg->out_fmt->s_freq / 1000); + + mcfg->obs = out_rate * (mcfg->out_fmt->channels) * + (mcfg->out_fmt->bit_depth >> 3) * + multiplier; } static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w, -- 1.9.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel