diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0062-Add-Device-Tree-support-for-RPi-DAC.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0062-Add-Device-Tree-support-for-RPi-DAC.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0062-Add-Device-Tree-support-for-RPi-DAC.patch b/target/linux/brcm2708/patches-4.1/0062-Add-Device-Tree-support-for-RPi-DAC.patch new file mode 100644 index 0000000..5a66fa2 --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0062-Add-Device-Tree-support-for-RPi-DAC.patch @@ -0,0 +1,73 @@ +From a7154ea03e9acec217e3d1cb70d0aed869e55669 Mon Sep 17 00:00:00 2001 +From: Clive Messer <clive.m.messer@gmail.com> +Date: Thu, 2 Apr 2015 12:22:55 +0100 +Subject: [PATCH 062/203] Add Device Tree support for RPi-DAC. + +--- + sound/soc/bcm/rpi-dac.c | 21 +++++++++++++++++++++ + sound/soc/codecs/pcm1794a.c | 7 +++++++ + 2 files changed, 28 insertions(+) + +--- a/sound/soc/bcm/rpi-dac.c ++++ b/sound/soc/bcm/rpi-dac.c +@@ -69,6 +69,20 @@ static int snd_rpi_rpi_dac_probe(struct + int ret = 0; + + snd_rpi_rpi_dac.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_rpi_dac_dai[0]; ++ i2s_node = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0); ++ ++ if (i2s_node) { ++ dai->cpu_dai_name = NULL; ++ dai->cpu_of_node = i2s_node; ++ dai->platform_name = NULL; ++ dai->platform_of_node = i2s_node; ++ } ++ } ++ + ret = snd_soc_register_card(&snd_rpi_rpi_dac); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); +@@ -81,10 +95,17 @@ static int snd_rpi_rpi_dac_remove(struct + return snd_soc_unregister_card(&snd_rpi_rpi_dac); + } + ++static const struct of_device_id snd_rpi_rpi_dac_of_match[] = { ++ { .compatible = "rpi,rpi-dac", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, snd_rpi_rpi_dac_of_match); ++ + static struct platform_driver snd_rpi_rpi_dac_driver = { + .driver = { + .name = "snd-rpi-dac", + .owner = THIS_MODULE, ++ .of_match_table = snd_rpi_rpi_dac_of_match, + }, + .probe = snd_rpi_rpi_dac_probe, + .remove = snd_rpi_rpi_dac_remove, +--- a/sound/soc/codecs/pcm1794a.c ++++ b/sound/soc/codecs/pcm1794a.c +@@ -46,12 +46,19 @@ static int pcm1794a_remove(struct platfo + return 0; + } + ++static const struct of_device_id pcm1794a_of_match[] = { ++ { .compatible = "ti,pcm1794a", }, ++ { } ++}; ++MODULE_DEVICE_TABLE(of, pcm1794a_of_match); ++ + static struct platform_driver pcm1794a_codec_driver = { + .probe = pcm1794a_probe, + .remove = pcm1794a_remove, + .driver = { + .name = "pcm1794a-codec", + .owner = THIS_MODULE, ++ .of_match_table = of_match_ptr(pcm1794a_of_match), + }, + }; + |