Method

PhoshDBusDisplayConfigcall_change_backlight_sync

Declaration [src]

gboolean
phosh_dbus_display_config_call_change_backlight_sync (
  PhoshDBusDisplayConfig* proxy,
  guint arg_serial,
  guint arg_output,
  gint arg_value,
  gint* out_new_value,
  GCancellable* cancellable,
  GError** error
)

Description [src]

Synchronously invokes the ChangeBacklight() D-Bus method on proxy. The calling thread is blocked until a reply is received.

See phosh_dbus_display_config_call_change_backlight() for the asynchronous version of this method.

Parameters

arg_serial

Type: guint

Argument to pass with the method invocation.

arg_output

Type: guint

Argument to pass with the method invocation.

arg_value

Type: gint

Argument to pass with the method invocation.

out_new_value

Type: gint*

Return location for return parameter or NULL to ignore.

The argument will be set by the function.

The argument can be NULL.

cancellable

Type: GCancellable

A GCancellable or NULL.

The argument can be NULL.

The data is owned by the caller of the method.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.

If the return location is not NULL, then you must initialize it to a NULL GError*.

The argument will be left initialized to NULL by the method if there are no errors.

In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: gboolean

TRUE if the call succeeded, FALSE if error is set.