openwrt/target/linux/brcm2708/patches-4.4/0239-Modify-IQAudIO-DAC-ASoC-driver-to-set-card-dai-confi.patch

From 70b0a84fca1cda347f62151daf18c0a970259e1c Mon Sep 17 00:00:00 2001
From: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
Date: Thu, 14 Apr 2016 00:57:33 +0100
Subject: [PATCH] Modify IQAudIO DAC+ ASoC driver to set card/dai config from
 dt

Add the ability to set the card name, dai name and dai stream name, from
dt config.

Signed-off-by: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
---
 sound/soc/bcm/iqaudio-dac.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

--- a/sound/soc/bcm/iqaudio-dac.c
+++ b/sound/soc/bcm/iqaudio-dac.c
@@ -61,8 +61,6 @@ static struct snd_soc_ops snd_rpi_iqaudi
 
 static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = {
 {
-	.name		= "IQaudIO DAC",
-	.stream_name	= "IQaudIO DAC HiFi",
 	.cpu_dai_name	= "bcm2708-i2s.0",
 	.codec_dai_name	= "pcm512x-hifi",
 	.platform_name	= "bcm2708-i2s.0",
@@ -76,7 +74,6 @@ static struct snd_soc_dai_link snd_rpi_i
 
 /* audio machine driver */
 static struct snd_soc_card snd_rpi_iqaudio_dac = {
-	.name         = "IQaudIODAC",
 	.owner        = THIS_MODULE,
 	.dai_link     = snd_rpi_iqaudio_dac_dai,
 	.num_links    = ARRAY_SIZE(snd_rpi_iqaudio_dac_dai),
@@ -90,6 +87,7 @@ static int snd_rpi_iqaudio_dac_probe(str
 
 	if (pdev->dev.of_node) {
 	    struct device_node *i2s_node;
+	    struct snd_soc_card *card = &snd_rpi_iqaudio_dac;
 	    struct snd_soc_dai_link *dai = &snd_rpi_iqaudio_dac_dai[0];
 	    i2s_node = of_parse_phandle(pdev->dev.of_node,
 					"i2s-controller", 0);
@@ -103,6 +101,15 @@ static int snd_rpi_iqaudio_dac_probe(str
 
 	    digital_gain_0db_limit = !of_property_read_bool(pdev->dev.of_node,
 					"iqaudio,24db_digital_gain");
+	    if (of_property_read_string(pdev->dev.of_node, "card_name",
+					&card->name))
+		card->name = "IQaudIODAC";
+	    if (of_property_read_string(pdev->dev.of_node, "dai_name",
+					&dai->name))
+		dai->name = "IQaudIO DAC";
+	    if (of_property_read_string(pdev->dev.of_node, "dai_stream_name",
+					&dai->stream_name))
+		dai->stream_name = "IQaudIO DAC HiFi";
 	}
 
 	ret = snd_soc_register_card(&snd_rpi_iqaudio_dac);