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55 lines
1.9 KiB
Diff
55 lines
1.9 KiB
Diff
From 115f744544291c3529868e72f101df652b156e56 Mon Sep 17 00:00:00 2001
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From: Daniel Matuschek <daniel@hifiberry.com>
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Date: Tue, 3 Feb 2015 07:15:19 +0100
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Subject: [PATCH 100/114] HiFiBerry Amp: fix device-tree problems
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Some code to load the driver based on device-tree-overlays was missing. This is added by this patch.
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---
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sound/soc/bcm/hifiberry_amp.c | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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--- a/sound/soc/bcm/hifiberry_amp.c
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+++ b/sound/soc/bcm/hifiberry_amp.c
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@@ -65,6 +65,12 @@ static struct snd_soc_card snd_rpi_hifib
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.num_links = ARRAY_SIZE(snd_rpi_hifiberry_amp_dai),
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};
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+static const struct of_device_id snd_rpi_hifiberry_amp_of_match[] = {
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+ { .compatible = "hifiberry,hifiberry-amp", },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_amp_of_match);
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+
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static int snd_rpi_hifiberry_amp_probe(struct platform_device *pdev)
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{
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@@ -72,6 +78,20 @@ static int snd_rpi_hifiberry_amp_probe(s
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snd_rpi_hifiberry_amp.dev = &pdev->dev;
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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_hifiberry_amp_dai[0];
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+ i2s_node = of_parse_phandle(pdev->dev.of_node,
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+ "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_hifiberry_amp);
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if (ret != 0) {
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@@ -92,6 +112,7 @@ static struct platform_driver snd_rpi_hi
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.driver = {
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.name = "snd-hifiberry-amp",
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.owner = THIS_MODULE,
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+ .of_match_table = snd_rpi_hifiberry_amp_of_match,
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},
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.probe = snd_rpi_hifiberry_amp_probe,
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.remove = snd_rpi_hifiberry_amp_remove,
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