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73 lines
2.1 KiB
73 lines
2.1 KiB
From 53a42fe2c62f1a21329c737321f59e0ab97ac655 Mon Sep 17 00:00:00 2001
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From: Clive Messer <clive.m.messer@gmail.com>
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Date: Thu, 2 Apr 2015 12:22:55 +0100
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Subject: [PATCH 062/222] Add Device Tree support for RPi-DAC.
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---
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sound/soc/bcm/rpi-dac.c | 21 +++++++++++++++++++++
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sound/soc/codecs/pcm1794a.c | 7 +++++++
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2 files changed, 28 insertions(+)
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--- a/sound/soc/bcm/rpi-dac.c
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+++ b/sound/soc/bcm/rpi-dac.c
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@@ -69,6 +69,20 @@ static int snd_rpi_rpi_dac_probe(struct
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int ret = 0;
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snd_rpi_rpi_dac.dev = &pdev->dev;
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+
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+ if (pdev->dev.of_node) {
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+ struct device_node *i2s_node;
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+ struct snd_soc_dai_link *dai = &snd_rpi_rpi_dac_dai[0];
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+ i2s_node = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0);
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+
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+ if (i2s_node) {
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+ dai->cpu_dai_name = NULL;
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+ dai->cpu_of_node = i2s_node;
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+ dai->platform_name = NULL;
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+ dai->platform_of_node = i2s_node;
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+ }
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+ }
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+
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ret = snd_soc_register_card(&snd_rpi_rpi_dac);
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if (ret)
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
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@@ -81,10 +95,17 @@ static int snd_rpi_rpi_dac_remove(struct
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return snd_soc_unregister_card(&snd_rpi_rpi_dac);
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}
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+static const struct of_device_id snd_rpi_rpi_dac_of_match[] = {
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+ { .compatible = "rpi,rpi-dac", },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, snd_rpi_rpi_dac_of_match);
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+
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static struct platform_driver snd_rpi_rpi_dac_driver = {
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.driver = {
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.name = "snd-rpi-dac",
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.owner = THIS_MODULE,
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+ .of_match_table = snd_rpi_rpi_dac_of_match,
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},
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.probe = snd_rpi_rpi_dac_probe,
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.remove = snd_rpi_rpi_dac_remove,
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--- a/sound/soc/codecs/pcm1794a.c
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+++ b/sound/soc/codecs/pcm1794a.c
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@@ -46,12 +46,19 @@ static int pcm1794a_remove(struct platfo
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return 0;
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}
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+static const struct of_device_id pcm1794a_of_match[] = {
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+ { .compatible = "ti,pcm1794a", },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
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+
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static struct platform_driver pcm1794a_codec_driver = {
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.probe = pcm1794a_probe,
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.remove = pcm1794a_remove,
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.driver = {
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.name = "pcm1794a-codec",
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.owner = THIS_MODULE,
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+ .of_match_table = of_match_ptr(pcm1794a_of_match),
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},
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};
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