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-rw-r--r--drivers/acpi/x86/utils.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index b0e16516adfd..eb6caf6f708b 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -61,6 +61,15 @@ static const struct always_present_id always_present_ids[] = {
* on Cherry Trail devices, without it we get nobody cared IRQ msgs.
*/
ENTRY("INT0002", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}),
+ /*
+ * On the Dell Venue 11 Pro 7130 the DSDT hides the touchscreen ACPI
+ * device until a certain time after _SB.PCI0.GFX0.LCD.LCD1._ON gets
+ * called has passed *and* _STA has been called at least 3 times since.
+ */
+ ENTRY("SYNA7500", "1", ICPU(INTEL_FAM6_HASWELL_ULT), {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
+ }),
};
bool acpi_device_always_present(struct acpi_device *adev)