diff options
Diffstat (limited to 'drivers/platform/x86/serial-multi-instantiate.c')
| -rw-r--r-- | drivers/platform/x86/serial-multi-instantiate.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c index ed6b28505cd6..1a369334f9cb 100644 --- a/drivers/platform/x86/serial-multi-instantiate.c +++ b/drivers/platform/x86/serial-multi-instantiate.c @@ -22,6 +22,7 @@ #define IRQ_RESOURCE_GPIO 1 #define IRQ_RESOURCE_APIC 2 #define IRQ_RESOURCE_AUTO 3 +#define IRQ_RESOURCE_OPT BIT(2) enum smi_bus_type { SMI_I2C, @@ -64,6 +65,10 @@ static int smi_get_irq(struct platform_device *pdev, struct acpi_device *adev, dev_dbg(&pdev->dev, "Using platform irq\n"); break; } + if (inst->flags & IRQ_RESOURCE_OPT) { + dev_dbg(&pdev->dev, "No irq\n"); + return 0; + } break; case IRQ_RESOURCE_GPIO: ret = acpi_dev_gpio_irq_get(adev, inst->irq_idx); @@ -384,6 +389,17 @@ static const struct smi_node cs35l57_hda = { .bus_type = SMI_AUTO_DETECT, }; +static const struct smi_node tas2781_hda = { + .instances = { + { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 }, + { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 }, + { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 }, + { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 }, + {} + }, + .bus_type = SMI_AUTO_DETECT, +}; + /* * Note new device-ids must also be added to ignore_serial_bus_ids in * drivers/acpi/scan.c: acpi_device_enumeration_by_parent(). @@ -396,6 +412,7 @@ static const struct acpi_device_id smi_acpi_ids[] = { { "CSC3556", (unsigned long)&cs35l56_hda }, { "CSC3557", (unsigned long)&cs35l57_hda }, { "INT3515", (unsigned long)&int3515_data }, + { "TXNW2781", (unsigned long)&tas2781_hda }, /* Non-conforming _HID for Cirrus Logic already released */ { "CLSA0100", (unsigned long)&cs35l41_hda }, { "CLSA0101", (unsigned long)&cs35l41_hda }, |