So others can find out what dependencies a nvidia,tegra-audio-max98090 device has, as specified in bindings/sound/nvidia,tegra-audio-max98090.txt.
Signed-off-by: Tomeu Vizoso tomeu.vizoso@collabora.com ---
Changes in v2: None
sound/soc/tegra/tegra_max98090.c | 42 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/sound/soc/tegra/tegra_max98090.c b/sound/soc/tegra/tegra_max98090.c index 902da36..0f7cbf3 100644 --- a/sound/soc/tegra/tegra_max98090.c +++ b/sound/soc/tegra/tegra_max98090.c @@ -316,7 +316,47 @@ static struct platform_driver tegra_max98090_driver = { .probe = tegra_max98090_probe, .remove = tegra_max98090_remove, }; -module_platform_driver(tegra_max98090_driver); + +static void add_dependency(struct fwnode_handle *fwnode, + const char *property, + struct list_head *deps) +{ + struct device_node *np; + + np = of_parse_phandle(to_of_node(fwnode), property, 0); + if (!np) + return; + + fwnode_add_dependency(&np->fwnode, deps); +} + +static void tegra_max98090_get_dependencies(struct fwnode_handle *fwnode, + struct list_head *deps) +{ + add_dependency(fwnode, "nvidia,i2s-controller", deps); + add_dependency(fwnode, "nvidia,audio-codec", deps); +} + +static int __init tegra_max98090_init(void) +{ + int err; + + err = platform_driver_register(&tegra_max98090_driver); + if (err < 0) + return err; + + fwnode_add_dependency_parser(tegra_max98090_get_dependencies); + + return 0; +} +module_init(tegra_max98090_init); + +static void __exit tegra_max98090_exit(void) +{ + fwnode_remove_dependency_parser(tegra_max98090_get_dependencies); + platform_driver_unregister(&tegra_max98090_driver); +} +module_exit(tegra_max98090_exit);
MODULE_AUTHOR("Stephen Warren swarren@nvidia.com"); MODULE_DESCRIPTION("Tegra max98090 machine ASoC driver");