extcon: max77693: Add support jig cable
This patch detect several kinds of JIG cable according to ADC value
and set the hardware line path according to type of JIG cable(JIG-USB-ON
/JIG-USB-OFF/JIG-UART-OFF).
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 78dc750..26ce4df 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -153,9 +153,10 @@
EXTCON_CABLE_CHARGE_DOWNSTREAM,
EXTCON_CABLE_MHL,
EXTCON_CABLE_MHL_TA,
+ EXTCON_CABLE_JIG_USB_ON,
+ EXTCON_CABLE_JIG_USB_OFF,
+ EXTCON_CABLE_JIG_UART_OFF,
EXTCON_CABLE_AUDIO_VIDEO_LOAD,
- EXTCON_CABLE_AUDIO_VIDEO_NOLOAD,
- EXTCON_CABLE_JIG,
_EXTCON_CABLE_NUM,
};
@@ -169,9 +170,11 @@
[EXTCON_CABLE_CHARGE_DOWNSTREAM] = "Charge-downstream",
[EXTCON_CABLE_MHL] = "MHL",
[EXTCON_CABLE_MHL_TA] = "MHL_TA",
+ [EXTCON_CABLE_JIG_USB_ON] = "JIG-USB-ON",
+ [EXTCON_CABLE_JIG_USB_OFF] = "JIG-USB-OFF",
+ [EXTCON_CABLE_JIG_UART_OFF] = "JIG-UART-OFF",
[EXTCON_CABLE_AUDIO_VIDEO_LOAD] = "Audio-video-load",
- [EXTCON_CABLE_AUDIO_VIDEO_NOLOAD] = "Audio-video-noload",
- [EXTCON_CABLE_JIG] = "JIG",
+
NULL,
};
@@ -450,6 +453,44 @@
return ret;
}
+static int max77693_muic_jig_handler(struct max77693_muic_info *info,
+ int cable_type, bool attached)
+{
+ char cable_name[32];
+ int ret = 0;
+ u8 path = CONTROL1_SW_OPEN;
+
+ dev_info(info->dev,
+ "external connector is %s (adc:0x%02x)\n",
+ attached ? "attached" : "detached", cable_type);
+
+ switch (cable_type) {
+ case MAX77693_MUIC_ADC_FACTORY_MODE_USB_OFF: /* ADC_JIG_USB_OFF */
+ /* PATH:AP_USB */
+ strcpy(cable_name, "JIG-USB-OFF");
+ path = CONTROL1_SW_USB;
+ break;
+ case MAX77693_MUIC_ADC_FACTORY_MODE_USB_ON: /* ADC_JIG_USB_ON */
+ /* PATH:AP_USB */
+ strcpy(cable_name, "JIG-USB-ON");
+ path = CONTROL1_SW_USB;
+ break;
+ case MAX77693_MUIC_ADC_FACTORY_MODE_UART_OFF: /* ADC_JIG_UART_OFF */
+ /* PATH:AP_UART */
+ strcpy(cable_name, "JIG-UART-OFF");
+ path = CONTROL1_SW_UART;
+ break;
+ }
+
+ ret = max77693_muic_set_path(info, path, attached);
+ if (ret < 0)
+ goto out;
+
+ extcon_set_cable_state(info->edev, cable_name, attached);
+out:
+ return ret;
+}
+
static int max77693_muic_adc_handler(struct max77693_muic_info *info)
{
int cable_type;
@@ -474,10 +515,9 @@
case MAX77693_MUIC_ADC_FACTORY_MODE_USB_ON:
case MAX77693_MUIC_ADC_FACTORY_MODE_UART_OFF:
/* JIG */
- ret = max77693_muic_set_path(info, CONTROL1_SW_UART, attached);
+ ret = max77693_muic_jig_handler(info, cable_type, attached);
if (ret < 0)
goto out;
- extcon_set_cable_state(info->edev, "JIG", attached);
break;
case MAX77693_MUIC_ADC_FACTORY_MODE_UART_ON:
case MAX77693_MUIC_ADC_AUDIO_MODE_REMOTE: