diff options
Diffstat (limited to 'src/drivers/i2c/generic/generic.c')
| -rw-r--r-- | src/drivers/i2c/generic/generic.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/drivers/i2c/generic/generic.c b/src/drivers/i2c/generic/generic.c index 34fbf77a3e..b8e5d863f7 100644 --- a/src/drivers/i2c/generic/generic.c +++ b/src/drivers/i2c/generic/generic.c @@ -65,7 +65,8 @@ static void i2c_generic_add_power_res(struct drivers_i2c_generic_config *config) acpigen_pop_len(); /* PowerResource PRIC */ } -static void i2c_generic_fill_ssdt(struct device *dev) +void i2c_generic_fill_ssdt(struct device *dev, + void (*callback)(struct device *dev)) { struct drivers_i2c_generic_config *config = dev->chip_info; const char *scope = acpi_device_scope(dev); @@ -89,6 +90,8 @@ static void i2c_generic_fill_ssdt(struct device *dev) acpigen_write_scope(scope); acpigen_write_device(acpi_device_name(dev)); acpigen_write_name_string("_HID", config->hid); + if (config->cid) + acpigen_write_name_string("_CID", config->cid); acpigen_write_name_integer("_UID", config->uid); acpigen_write_name_string("_DDN", config->desc); acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON); @@ -115,6 +118,10 @@ static void i2c_generic_fill_ssdt(struct device *dev) /* Power Resource */ i2c_generic_add_power_res(config); + /* Callback if any. */ + if (callback) + callback(dev); + acpigen_pop_len(); /* Device */ acpigen_pop_len(); /* Scope */ @@ -122,6 +129,11 @@ static void i2c_generic_fill_ssdt(struct device *dev) config->desc ? : dev->chip_ops->name, dev_path(dev)); } +static void i2c_generic_fill_ssdt_generator(struct device *dev) +{ + i2c_generic_fill_ssdt(dev, NULL); +} + /* Use name specified in config or build one from I2C address */ static const char *i2c_generic_acpi_name(struct device *dev) { @@ -143,7 +155,7 @@ static struct device_operations i2c_generic_ops = { .enable_resources = DEVICE_NOOP, #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) .acpi_name = &i2c_generic_acpi_name, - .acpi_fill_ssdt_generator = &i2c_generic_fill_ssdt, + .acpi_fill_ssdt_generator = &i2c_generic_fill_ssdt_generator, #endif }; |