linux-kernel - [PATCH 2/7] soundwire: only compute BPT stream in sdw_compute_dp0_port

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Message-ID: <20251014031450.3781789-3-yung-chuan.liao@linux.intel.com>
Date: Tue, 14 Oct 2025 11:14:45 +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.dev,
	bard.liao@...el.com
Subject: [PATCH 2/7] soundwire: only compute BPT stream in sdw_compute_dp0_port_params

DP0 is only for BPT stream. We should not compute and update the port
params of the normal audio streams.

Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
---
 drivers/soundwire/generic_bandwidth_allocation.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/soundwire/generic_bandwidth_allocation.c b/drivers/soundwire/generic_bandwidth_allocation.c
index c18f0c16f929..530ac66ac6fa 100644
--- a/drivers/soundwire/generic_bandwidth_allocation.c
+++ b/drivers/soundwire/generic_bandwidth_allocation.c
@@ -124,6 +124,9 @@ static void sdw_compute_dp0_port_params(struct sdw_bus *bus)
 	struct sdw_master_runtime *m_rt;
 
 	list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) {
+		/* DP0 is for BPT only */
+		if (m_rt->stream->type != SDW_STREAM_BPT)
+			continue;
 		sdw_compute_dp0_master_ports(m_rt);
 		sdw_compute_dp0_slave_ports(m_rt);
 	}
-- 
2.43.0