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 <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/tegra/tegra_alc5632.c

···
 /*
- * 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 <[e-mail]>
  * Copyright (C) 2012 - NVIDIA, Inc.
···
 {
 	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,
···
 	snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
 			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;
···
 
 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;
···
 		ret = -EINVAL;
 		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)