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path: root/drivers/extcon/extcon-max77693.c
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Diffstat (limited to 'drivers/extcon/extcon-max77693.c')
-rw-r--r--drivers/extcon/extcon-max77693.c54
1 files changed, 38 insertions, 16 deletions
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 38f9e52f358b..a17d0d91ada2 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
enum max77693_muic_adc_debounce_time time)
{
- int ret = 0;
- u8 ctrl3;
+ int ret;
switch (time) {
case ADC_DEBOUNCE_TIME_5MS:
case ADC_DEBOUNCE_TIME_10MS:
case ADC_DEBOUNCE_TIME_25MS:
case ADC_DEBOUNCE_TIME_38_62MS:
- ret = max77693_read_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL3, &ctrl3);
- ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
- ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
-
- ret = max77693_write_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL3, ctrl3);
- if (ret) {
+ ret = max77693_update_reg(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_CTRL3,
+ time << CONTROL3_ADCDBSET_SHIFT,
+ CONTROL3_ADCDBSET_MASK);
+ if (ret)
dev_err(info->dev, "failed to set ADC debounce time\n");
- ret = -EINVAL;
- }
break;
default:
dev_err(info->dev, "invalid ADC debounce time\n");
@@ -356,7 +350,7 @@ static int max77693_muic_adc_ground_handler(struct max77693_muic_info *info,
extcon_set_cable_state(info->edev, "MHL", attached);
break;
default:
- dev_err(info->dev, "faild to detect %s accessory\n",
+ dev_err(info->dev, "failed to detect %s accessory\n",
attached ? "attached" : "detached");
dev_err(info->dev, "- adc:0x%x, adclow:0x%x, adc1k:0x%x\n",
adc, adclow, adc1k);
@@ -548,7 +542,7 @@ static void max77693_muic_irq_work(struct work_struct *work)
curr_adc = info->status[0] & STATUS1_ADC_MASK;
curr_adc >>= STATUS1_ADC_SHIFT;
- /* Check accossory state which is either detached or attached */
+ /* Check accessory state which is either detached or attached */
if (curr_adc == MAX77693_MUIC_ADC_OPEN)
attached = false;
@@ -564,7 +558,7 @@ static void max77693_muic_irq_work(struct work_struct *work)
curr_chg_type = info->status[1] & STATUS2_CHGTYP_MASK;
curr_chg_type >>= STATUS2_CHGTYP_SHIFT;
- /* Check charger accossory state which
+ /* Check charger accessory state which
is either detached or attached */
if (curr_chg_type == MAX77693_CHARGER_TYPE_NONE)
attached = false;
@@ -657,6 +651,8 @@ out:
static int __devinit max77693_muic_probe(struct platform_device *pdev)
{
struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent);
+ struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev);
+ struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;
struct max77693_muic_info *info;
int ret, i;
u8 id;
@@ -699,7 +695,7 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev)
ret = request_threaded_irq(virq, NULL,
max77693_muic_irq_handler,
- 0, muic_irq->name, info);
+ IRQF_ONESHOT, muic_irq->name, info);
if (ret) {
dev_err(&pdev->dev,
"failed: irq request (IRQ: %d,"
@@ -727,6 +723,31 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev)
goto err_extcon;
}
+ /* Initialize MUIC register by using platform data */
+ for (i = 0 ; i < muic_pdata->num_init_data ; i++) {
+ enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR;
+
+ max77693_write_reg(info->max77693->regmap_muic,
+ muic_pdata->init_data[i].addr,
+ muic_pdata->init_data[i].data);
+
+ switch (muic_pdata->init_data[i].addr) {
+ case MAX77693_MUIC_REG_INTMASK1:
+ irq_src = MUIC_INT1;
+ break;
+ case MAX77693_MUIC_REG_INTMASK2:
+ irq_src = MUIC_INT2;
+ break;
+ case MAX77693_MUIC_REG_INTMASK3:
+ irq_src = MUIC_INT3;
+ break;
+ }
+
+ if (irq_src < MAX77693_IRQ_GROUP_NR)
+ info->max77693->irq_masks_cur[irq_src]
+ = muic_pdata->init_data[i].data;
+ }
+
/* Check revision number of MUIC device*/
ret = max77693_read_reg(info->max77693->regmap_muic,
MAX77693_MUIC_REG_ID, &id);
@@ -762,6 +783,7 @@ static int __devexit max77693_muic_remove(struct platform_device *pdev)
free_irq(muic_irqs[i].virq, info);
cancel_work_sync(&info->irq_work);
extcon_dev_unregister(info->edev);
+ kfree(info->edev);
kfree(info);
return 0;