55 lines
1.8 KiB
Diff
55 lines
1.8 KiB
Diff
From 8f6f2d6c03c1d75df64b7e3836bd3bdd7ec9479d Mon Sep 17 00:00:00 2001
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From: Sanyog Kale <sanyog.r.kale@intel.com>
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Date: Mon, 4 Dec 2017 15:05:59 +0530
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Subject: [PATCH 277/550] soundwire: Change programming sequence for BRA
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Currently, the register programming (PDI, ALH, DP_CTRL) is performed
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before FW pipeline creation.
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The ALH ownership is set to host as part of first SoundWire gateway
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configuration. Due to this changes in FW, the first instance of BRA
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fails.
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This patch changes the sequence and performs register programming after
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FW pipeline creation.
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Change-Id: Ifbff05f9033e88541406b42d7d5a5370e1bccdcb
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Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
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Reviewed-on:
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Reviewed-by: Prabhu, PuneethX <puneethx.prabhu@intel.com>
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Reviewed-by: Pawse, GuruprasadX <guruprasadx.pawse@intel.com>
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Reviewed-by: Singh, Guneshwor O <guneshwor.o.singh@intel.com>
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Reviewed-by: Koul, Vinod <vinod.koul@intel.com>
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Tested-by: Sm, Bhadur A <bhadur.a.sm@intel.com>
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---
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drivers/sdw/sdw_cnl.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/drivers/sdw/sdw_cnl.c b/drivers/sdw/sdw_cnl.c
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index 9f8e77c20699..95eb7a8fab2b 100644
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--- a/drivers/sdw/sdw_cnl.c
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+++ b/drivers/sdw/sdw_cnl.c
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@@ -1900,9 +1900,6 @@ static int cnl_sdw_xfer_bulk(struct sdw_master *mstr,
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/* Fill master number in bra info data structure */
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info.mstr_num = mstr->nr;
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- /* PDI Configuration (ON) */
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- cnl_sdw_bra_pdi_config(mstr, true);
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-
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/* Prepare TX buffer */
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ret = cnl_sdw_bra_data_ops(mstr, block, &info);
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if (ret < 0) {
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@@ -1917,6 +1914,9 @@ static int cnl_sdw_xfer_bulk(struct sdw_master *mstr,
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goto out;
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}
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+ /* PDI Configuration (ON) */
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+ cnl_sdw_bra_pdi_config(mstr, true);
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+
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/* Trigger START host DMA and pipeline */
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ret = ops->bra_platform_xfer(data->bra_data->drv_data, true, &info);
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if (ret < 0) {
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--
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2.19.1
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