Tegra20 S/PDIF driver was added in a pre-DT era and was never used since that time. Revive driver by adding device-tree support.
Acked-by: Thierry Reding treding@nvidia.com Signed-off-by: Dmitry Osipenko digetx@gmail.com --- sound/soc/tegra/tegra20_spdif.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index e45e371edc42..801784915004 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -10,6 +10,7 @@ #include <linux/device.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> @@ -270,7 +271,7 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, spdif);
- spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "spdif_out"); + spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "out"); if (IS_ERR(spdif->clk_spdif_out)) { pr_err("Can't retrieve spdif clock\n"); ret = PTR_ERR(spdif->clk_spdif_out); @@ -340,10 +341,17 @@ static const struct dev_pm_ops tegra20_spdif_pm_ops = { tegra20_spdif_runtime_resume, NULL) };
+static const struct of_device_id tegra20_spdif_of_match[] = { + { .compatible = "nvidia,tegra20-spdif", }, + {}, +}; +MODULE_DEVICE_TABLE(of, tegra20_spdif_of_match); + static struct platform_driver tegra20_spdif_driver = { .driver = { .name = DRV_NAME, .pm = &tegra20_spdif_pm_ops, + .of_match_table = tegra20_spdif_of_match, }, .probe = tegra20_spdif_platform_probe, .remove = tegra20_spdif_platform_remove, @@ -354,4 +362,3 @@ module_platform_driver(tegra20_spdif_driver); MODULE_AUTHOR("Stephen Warren swarren@nvidia.com"); MODULE_DESCRIPTION("Tegra20 SPDIF ASoC driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRV_NAME);