From: Philipp Zabel <philipp.zabel@gmail.com>
Date: Thu, 22 May 2008 09:14:21 +0000 (+0100)
Subject: [ARM] 5042/1: magician: request GPIOs for pda_power
X-Git-Tag: v2.6.27-rc1~850^2^2~18^2~5
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=ff279202781c473545862918a8ef1f4ef7712e47;p=linux-2.6-omap-h63xx.git

[ARM] 5042/1: magician: request GPIOs for pda_power

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 01b2fa79021..595e8c4902f 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -511,6 +511,37 @@ static struct platform_device pasic3 = {
  * External power
  */
 
+static int power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
+	if (ret)
+		goto err_cs_ac;
+	ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");
+	if (ret)
+		goto err_cs_usb;
+	ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");
+	if (ret)
+		goto err_chg_en;
+	ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");
+	if (!ret)
+		ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);
+	if (ret)
+		goto err_nchg_en;
+
+	return 0;
+
+err_nchg_en:
+	gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
+err_chg_en:
+	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
+err_cs_usb:
+	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
+err_cs_ac:
+	return ret;
+}
+
 static int magician_is_ac_online(void)
 {
 	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
@@ -527,14 +558,24 @@ static void magician_set_charge(int flags)
 	gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
 }
 
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(GPIO30_MAGICIAN_nCHARGE_EN);
+	gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
+	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
+	gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
+}
+
 static char *magician_supplicants[] = {
 	"ds2760-battery.0", "backup-battery"
 };
 
 static struct pda_power_pdata power_supply_info = {
+	.init            = power_supply_init,
 	.is_ac_online    = magician_is_ac_online,
 	.is_usb_online   = magician_is_usb_online,
 	.set_charge      = magician_set_charge,
+	.exit            = power_supply_exit,
 	.supplied_to     = magician_supplicants,
 	.num_supplicants = ARRAY_SIZE(magician_supplicants),
 };