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    Subject[PATCH v3 07/20] ASoC: tegra20: spdif: Support device-tree
    Date
    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.

    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);
    --
    2.33.1
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