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authorNeilBrown <neilb@suse.de>2012-05-09 07:40:40 +1000
committerAnton Vorontsov <cbouatmailru@gmail.com>2012-06-19 19:13:27 -0700
commitab37813f4093a5f59cb8e083cde277289dc72ed3 (patch)
tree2b91baca976e3d1d2c92a8eb3ede3a8a693b71e8 /drivers/mfd/twl-core.c
parent210d4bc8a3128e3e61ac3bf4657114f8e6450e2a (diff)
downloadlinux-ab37813f4093a5f59cb8e083cde277289dc72ed3.tar.gz
twl4030_charger: Allow charger to control the regulator that feeds it
The charger needs usb3v1 to be running, so add a new consumer to
keep it running.

This allows the charger to draw current even when the USB driver has
powered down.

Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/mfd/twl-core.c')
-rw-r--r--drivers/mfd/twl-core.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 6fc90befa79e..269b296a0975 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -716,8 +716,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
 		static struct regulator_consumer_supply usb1v8 = {
 			.supply =	"usb1v8",
 		};
-		static struct regulator_consumer_supply usb3v1 = {
-			.supply =	"usb3v1",
+		static struct regulator_consumer_supply usb3v1[] = {
+			{ .supply =	"usb3v1" },
+			{ .supply =	"bci3v1" },
 		};
 
 	/* First add the regulators so that they can be used by transceiver */
@@ -745,7 +746,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
 				return PTR_ERR(child);
 
 			child = add_regulator_linked(TWL4030_REG_VUSB3V1,
-						      &usb_fixed, &usb3v1, 1,
+						      &usb_fixed, usb3v1, 2,
 						      features);
 			if (IS_ERR(child))
 				return PTR_ERR(child);
@@ -766,7 +767,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
 		if (twl_has_regulator() && child) {
 			usb1v5.dev_name = dev_name(child);
 			usb1v8.dev_name = dev_name(child);
-			usb3v1.dev_name = dev_name(child);
+			usb3v1[0].dev_name = dev_name(child);
 		}
 	}
 	if (twl_has_usb() && pdata->usb && twl_class_is_6030()) {