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-rw-r--r--drivers/power/supply/twl4030_charger.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c
index adcaa0a10a6f..0e202d4273fb 100644
--- a/drivers/power/supply/twl4030_charger.c
+++ b/drivers/power/supply/twl4030_charger.c
@@ -440,6 +440,7 @@ static void twl4030_current_worker(struct work_struct *data)
static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)
{
int ret;
+ u32 reg;
if (bci->usb_mode == CHARGE_OFF)
enable = false;
@@ -453,14 +454,38 @@ static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)
bci->usb_enabled = 1;
}
- if (bci->usb_mode == CHARGE_AUTO)
+ if (bci->usb_mode == CHARGE_AUTO) {
+ /* Enable interrupts now. */
+ reg = ~(u32)(TWL4030_ICHGLOW | TWL4030_ICHGEOC |
+ TWL4030_TBATOR2 | TWL4030_TBATOR1 |
+ TWL4030_BATSTS);
+ ret = twl_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, reg,
+ TWL4030_INTERRUPTS_BCIIMR1A);
+ if (ret < 0) {
+ dev_err(bci->dev,
+ "failed to unmask interrupts: %d\n",
+ ret);
+ return ret;
+ }
/* forcing the field BCIAUTOUSB (BOOT_BCI[1]) to 1 */
ret = twl4030_clear_set_boot_bci(0, TWL4030_BCIAUTOUSB);
+ }
/* forcing USBFASTMCHG(BCIMFSTS4[2]) to 1 */
ret = twl4030_clear_set(TWL_MODULE_MAIN_CHARGE, 0,
TWL4030_USBFASTMCHG, TWL4030_BCIMFSTS4);
if (bci->usb_mode == CHARGE_LINEAR) {
+ /* Enable interrupts now. */
+ reg = ~(u32)(TWL4030_ICHGLOW | TWL4030_TBATOR2 |
+ TWL4030_TBATOR1 | TWL4030_BATSTS);
+ ret = twl_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, reg,
+ TWL4030_INTERRUPTS_BCIIMR1A);
+ if (ret < 0) {
+ dev_err(bci->dev,
+ "failed to unmask interrupts: %d\n",
+ ret);
+ return ret;
+ }
twl4030_clear_set_boot_bci(TWL4030_BCIAUTOAC|TWL4030_CVENAC, 0);
/* Watch dog key: WOVF acknowledge */
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x33,