* [PATCH v2] ALSA: hda: cs35l41: Clarify support for CSC3551 without _DSD Properties
@ 2022-08-15 16:29 Stefan Binding
2022-08-16 13:13 ` Takashi Iwai
0 siblings, 1 reply; 2+ messages in thread
From: Stefan Binding @ 2022-08-15 16:29 UTC (permalink / raw)
To: Jaroslav Kysela, Takashi Iwai
Cc: alsa-devel, linux-kernel, patches, Stefan Binding
For devices which use HID CSC3551, correct ACPI _DSD properties are
required to be able support those systems.
Add error message to clarify this.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
---
sound/pci/hda/cs35l41_hda.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 129bffb431c2..15e2a0009080 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -1163,6 +1163,11 @@ static int cs35l41_no_acpi_dsd(struct cs35l41_hda *cs35l41, struct device *physd
hw_cfg->gpio1.func = CS35l41_VSPK_SWITCH;
hw_cfg->gpio1.valid = true;
} else {
+ /*
+ * Note: CLSA010(0/1) are special cases which use a slightly different design.
+ * All other HIDs e.g. CSC3551 require valid ACPI _DSD properties to be supported.
+ */
+ dev_err(cs35l41->dev, "Error: ACPI _DSD Properties are missing for HID %s.\n", hid);
hw_cfg->valid = false;
hw_cfg->gpio1.valid = false;
hw_cfg->gpio2.valid = false;
--
2.34.1
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