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authorSubhransu S. Prusty <subhransu.s.prusty@intel.com>2017-06-30 16:08:44 +0300
committerMark Brown <broonie@kernel.org>2017-07-10 21:19:40 +0300
commit5b43af6d25461d7de293e0704d3b4631dda9b1e8 (patch)
treef6c02045e69abd69c936e8eb643dbbf2e9755821 /sound
parentb821d298f8864dc3c3d42643812df43289159507 (diff)
downloadlinux-5b43af6d25461d7de293e0704d3b4631dda9b1e8.tar.xz
ASoC: Intel: Skylake: Fix default dma_buffer_size
If the dma_buffer_size is not defined in topology, fix it to 2ms default value to make backward compatible. Fixes: f6e6ab1d16ec ("ASoC: Intel: Skylake: Fix dma buffer size calculation") Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Acked-By: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/intel/skylake/skl-messages.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index eca85827dbd2..fb2f1f603f3c 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -540,6 +540,14 @@ static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
cpr_mconfig->gtw_cfg.dma_buffer_size =
mconfig->dma_buffer_size * dma_io_buf;
+ /* fallback to 2ms default value */
+ if (!cpr_mconfig->gtw_cfg.dma_buffer_size) {
+ if (mconfig->hw_conn_type == SKL_CONN_SOURCE)
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
+ else
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
+ }
+
cpr_mconfig->cpr_feature_mask = 0;
cpr_mconfig->gtw_cfg.config_length = 0;