extcon: MAX77693: Add platform data for MUIC device to initialize registers

This patch add platform data for MUIC device to initialize register
on probe() call because it should unmask interrupt mask register
and initialize some register related to MUIC device.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index e0ed622a0df0..cffeab65051e 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -651,6 +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;
@@ -721,6 +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);