Thread (33 messages) 33 messages, 4 authors, 16d ago

[PATCH v2 01/25] ASoC: amd: acp: Fix .close() being skipped on rollback

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COLD16d REVIEWED: 1 (1M)

From: <hidden>
Date: 2026-10-15 01:44:32
Also in: asahi, imx, linux-renesas-soc, linux-rockchip, linux-sound, lkml
Subsystem: amd asoc drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers: Vijendar Mukunda, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds

Status: Reviewed.

Revision v2 (2 revisions archived); 1 review trailer (1 from subsystem maintainers).

Revisions (2)
  1. v1
  2. v2 current [diff against previous]
From: bui duc phuc <redacted>

snd_pcm_hw_constraint_integer() may return 1, which is then returned
from acp_dma_open(). ASoC only marks the component as opened when
.open() returns 0, so .close() can be skipped on rollback.

Return 0 explicitly on success.

Fixes: 623621a9f9e1 ("ASoC: amd: Add common framework to support I2S on ACP SOC")
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: bui duc phuc <redacted>
---
 sound/soc/amd/acp/acp-platform.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/acp/acp-platform.c b/sound/soc/amd/acp/acp-platform.c
index 6b1e18b31c1c..f2c8853775ad 100644
--- a/sound/soc/amd/acp/acp-platform.c
+++ b/sound/soc/amd/acp/acp-platform.c
@@ -248,7 +248,12 @@ static int acp_dma_open(struct snd_soc_component *component, struct snd_pcm_subs
 	list_add_tail(&stream->list, &chip->stream_list);
 	spin_unlock_irq(&chip->acp_lock);
 
-	return ret;
+	/*
+	 * ASoC only marks the component as opened when .open() returns 0.
+	 * Since snd_pcm_hw_constraint_integer() may return 1, explicitly
+	 * return 0 to ensure .close() is not skipped on rollback.
+	 */
+	return 0;
 }
 
 static int acp_dma_hw_params(struct snd_soc_component *component,
-- 
2.43.0

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