commit aef9a37c01a63a132d43d65d231dfe515d0f918a
author Stephen Warren <swarren@nvidia.com> Tue May 22 16:09:51 2012 -0600
committer Mark Brown <broonie@opensource.wolfsonmicro.com> Sun Jun 03 13:06:37 2012 +0100
tree c82075f9ea80e8e44bf9b850ecceb39fd1ef61b9
parent e44fbbd45896e684d44391aaf881dd3e36bd1a16

ASoC: tegra+alc5632: move all GPIO setup into probe

Now that deferred probe exists, we can parse device tree and request
GPIOs from probe(), rather than deferring this to the DAI link's init().

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/tegra/tegra_alc5632.c

diff --git a/sound/soc/tegra/tegra_alc5632.c b/sound/soc/tegra/tegra_alc5632.c
index 32de700..facf6f0 100644
--- a/sound/soc/tegra/tegra_alc5632.c
+++ b/sound/soc/tegra/tegra_alc5632.c
@@ -1,5 +1,5 @@
 /*
- * tegra_alc5632.c  --  Toshiba AC100(PAZ00) machine ASoC driver
+* tegra_alc5632.c  --  Toshiba AC100(PAZ00) machine ASoC driver
  *
  * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
  * Copyright (C) 2012 - NVIDIA, Inc.
@@ -110,7 +110,6 @@
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	struct device_node *np = codec->card->dev->of_node;
 	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
 
 	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
@@ -119,8 +118,6 @@
 			ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
 			tegra_alc5632_hs_jack_pins);
 
-	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
-
 	if (gpio_is_valid(machine->gpio_hp_det)) {
 		tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
 		snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
@@ -159,6 +156,7 @@
 
 static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
 {
+	struct device_node *np = pdev->dev.of_node;
 	struct snd_soc_card *card = &snd_soc_tegra_alc5632;
 	struct tegra_alc5632 *alc5632;
 	int ret;
@@ -181,6 +179,10 @@
 		goto err;
 	}
 
+	alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
+	if (alc5632->gpio_hp_det == -ENODEV)
+		return -EPROBE_DEFER;
+
 	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
 	if (ret)
 		goto err;