Hi Fred,
+/* IRQ polarity of some chipset are not defined correctly in ACPI table. */
+static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+ {
+ /* Asus T100TA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+ },
+ },
+#endif
+ { }
+};
+
static int bcm_acpi_probe(struct bcm_device *dev)
{
struct platform_device *pdev = dev->pdev;
@@ -608,6 +623,12 @@ static int bcm_acpi_probe(struct bcm_device *dev)
acpi_dev_get_resources(adev, &resources, bcm_resource, dev);
+ if (strstr(id->id, "BCM2E39") &&
+ dmi_check_system(bcm_wrong_irq_dmi_table)) {
+ bt_dev_dbg(dev, "Fix irq polarity");
+ dev->irq_polarity = !dev->irq_polarity;
+ }
Since you now the right polarity on ASUS T100 you should just set the
right one, not invert the current one. Imagine that T100 receive a BIOS
update with the polarity fixed, it will be inverted to a incorrect value.
Regards,
Loic
--
Intel Open Source Technology Center
http://oss.intel.com/
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