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ASoC: Intel: Skylake: Fix default dma_buffer_size

Message ID 1498828124-17671-1-git-send-email-subhransu.s.prusty@intel.com (mailing list archive)
State Accepted
Commit 5b43af6d25461d7de293e0704d3b4631dda9b1e8
Headers show

Commit Message

Subhransu S. Prusty June 30, 2017, 1:08 p.m. UTC
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>
---
 sound/soc/intel/skylake/skl-messages.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Vinod Koul July 3, 2017, 11:10 a.m. UTC | #1
On Fri, Jun 30, 2017 at 06:38:44PM +0530, Subhransu S. Prusty wrote:
> If the dma_buffer_size is not defined in topology, fix it to 2ms default
> value to make backward compatible.

Acked-By: Vinod Koul <vinod.koul@intel.com>
diff mbox

Patch

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;