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ACPI: scan: Add Intel CVS ACPI HIDs to acpi_ignore_dep_ids[]

PATCH Applied Hans de Goede 2 participants 2 messages Aug 29, 2025 – Sep 4, 2025 ACPI

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Hans de Goede

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PATCH 1/1 ACPI: scan: Add Intel CVS ACPI HIDs to acpi_ignore_dep_ids[]

Some x86/ACPI laptops with MIPI cameras have a INTC10DE or INTC10E0 ACPI device in the _DEP dependency list of the ACPI devices for the camera- sensors (which have flags.honor_deps set).

These devices are for an Intel Vision CVS chip for which an out of tree driver is available (1).

The camera sensor works fine without a driver being loaded for this ACPI device on the 2 laptops this was tested on:

ThinkPad X1 Carbon Gen 12 (Meteor Lake)
ThinkPad X1 2-in-1 Gen 10 (Arrow Lake)

For now add these HIDs to acpi_ignore_dep_ids[] so that acpi_dev_ready_for_enumeration() will return true once the other _DEP dependencies are met and an i2c_client for the camera sensor will get instantiated.

Link https://github.com/intel/vision-drivers/ #1
Signed-off-by Hans de Goede <[email protected]>
---
 drivers/acpi/scan.c | 2 ++
 1 file changed, 2 insertions(+)
drivers/acpi/scan.c +2 -0
index fb1fe9f3b1a3..9865faa996b0 100644
@@ -845,6 +845,8 @@ static bool acpi_info_matches_ids(struct acpi_device_info *info,
 static const char * const acpi_ignore_dep_ids[] = {
 	"PNP0D80", /* Windows-compatible System Power Management Controller */
 	"INT33BD", /* Intel Baytrail Mailbox Device */
+	"INTC10DE", /* Intel CVS LNL */
+	"INTC10E0", /* Intel CVS ARL */
 	"LATT2021", /* Lattice FW Update Client Driver */
 	NULL
 };
Signature · 1 line
2.51.0
maintainer Applied
#1 lore raw
Quoted 30 lines · Hans de Goede

Some x86/ACPI laptops with MIPI cameras have a INTC10DE or INTC10E0 ACPI device in the _DEP dependency list of the ACPI devices for the camera- sensors (which have flags.honor_deps set).

These devices are for an Intel Vision CVS chip for which an out of tree driver is available (1).

The camera sensor works fine without a driver being loaded for this ACPI device on the 2 laptops this was tested on:

ThinkPad X1 Carbon Gen 12 (Meteor Lake)
ThinkPad X1 2-in-1 Gen 10 (Arrow Lake)

For now add these HIDs to acpi_ignore_dep_ids[] so that acpi_dev_ready_for_enumeration() will return true once the other _DEP dependencies are met and an i2c_client for the camera sensor will get instantiated.

Link https://github.com/intel/vision-drivers/ #1
Signed-off-by Hans de Goede <[email protected]>
---
 drivers/acpi/scan.c | 2 ++
 1 file changed, 2 insertions(+)
drivers/acpi/scan.c +0 -0
index fb1fe9f3b1a3..9865faa996b0 100644

drivers/acpi/scan.c static bool acpi_info_matches_ids(struct acpi_device_info *info,

Quoted 9 lines
drivers/acpi/scan.c +2 -1
@@ -845,6 +845,8 @@ static bool acpi_info_matches_ids(struct acpi_device_info *info,
 static const char * const acpi_ignore_dep_ids[] = {
        "PNP0D80", /* Windows-compatible System Power Management Controller */
        "INT33BD", /* Intel Baytrail Mailbox Device */
+       "INTC10DE", /* Intel CVS LNL */
+       "INTC10E0", /* Intel CVS ARL */
        "LATT2021", /* Lattice FW Update Client Driver */
        NULL
 };
--

Applied as 6.18 material, thanks!