linux-kernel - [PATCH] soundwire: add lane field in sdw_port

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Message-ID: <20240806060930.10433-1-yung-chuan.liao@linux.intel.com>
Date: Tue,  6 Aug 2024 14:09:30 +0800
From: Bard Liao <yung-chuan.liao@...ux.intel.com>
To: linux-sound@...r.kernel.org,
	vkoul@...nel.org
Cc: vinod.koul@...aro.org,
	linux-kernel@...r.kernel.org,
	pierre-louis.bossart@...ux.intel.com,
	bard.liao@...el.com
Subject: [PATCH] soundwire: add lane field in sdw_port_runtime

Currently, lane_ctrl is always 0. Add a lane field in sdw_port_runtime
to indicate the data lane of the data port.
They are 0 by default.

Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/amd_manager.c                  | 2 +-
 drivers/soundwire/bus.h                          | 2 ++
 drivers/soundwire/generic_bandwidth_allocation.c | 4 ++--
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 0d01849c3586..babb580f3124 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -410,7 +410,7 @@ static int amd_sdw_compute_params(struct sdw_bus *bus)
 			sdw_fill_xport_params(&p_rt->transport_params, p_rt->num,
 					      false, SDW_BLK_GRP_CNT_1, sample_int,
 					      port_bo, port_bo >> 8, hstart, hstop,
-					      SDW_BLK_PKG_PER_PORT, 0x0);
+					      SDW_BLK_PKG_PER_PORT, p_rt->lane);
 
 			sdw_fill_port_params(&p_rt->port_params,
 					     p_rt->num, bps,
diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h
index fda6b24ac2da..ff03b97f1d8b 100644
--- a/drivers/soundwire/bus.h
+++ b/drivers/soundwire/bus.h
@@ -90,6 +90,7 @@ int sdw_find_col_index(int col);
  * @transport_params: Transport parameters
  * @port_params: Port parameters
  * @port_node: List node for Master or Slave port_list
+ * @lane: Which lane is used
  *
  * SoundWire spec has no mention of ports for Master interface but the
  * concept is logically extended.
@@ -100,6 +101,7 @@ struct sdw_port_runtime {
 	struct sdw_transport_params transport_params;
 	struct sdw_port_params port_params;
 	struct list_head port_node;
+	unsigned int lane;
 };
 
 /**
diff --git a/drivers/soundwire/generic_bandwidth_allocation.c b/drivers/soundwire/generic_bandwidth_allocation.c
index b9316207c3ab..abf9b85daa52 100644
--- a/drivers/soundwire/generic_bandwidth_allocation.c
+++ b/drivers/soundwire/generic_bandwidth_allocation.c
@@ -56,7 +56,7 @@ void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
 					      sample_int, port_bo, port_bo >> 8,
 					      t_data->hstart,
 					      t_data->hstop,
-					      SDW_BLK_PKG_PER_PORT, 0x0);
+					      SDW_BLK_PKG_PER_PORT, p_rt->lane);
 
 			sdw_fill_port_params(&p_rt->port_params,
 					     p_rt->num, bps,
@@ -109,7 +109,7 @@ static void sdw_compute_master_ports(struct sdw_master_runtime *m_rt,
 		sdw_fill_xport_params(&p_rt->transport_params, p_rt->num,
 				      false, SDW_BLK_GRP_CNT_1, sample_int,
 				      *port_bo, (*port_bo) >> 8, hstart, hstop,
-				      SDW_BLK_PKG_PER_PORT, 0x0);
+				      SDW_BLK_PKG_PER_PORT, p_rt->lane);
 
 		sdw_fill_port_params(&p_rt->port_params,
 				     p_rt->num, bps,
-- 
2.43.0