diff options
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-max8997.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index bdabb2479e0d..632192d027bf 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -632,6 +632,8 @@ static int max8997_muic_probe(struct platform_device *pdev) struct max8997_platform_data *pdata = dev_get_platdata(max8997->dev); struct max8997_muic_info *info; int delay_jiffies; + int cable_type; + bool attached; int ret, i; info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_muic_info), @@ -724,8 +726,17 @@ static int max8997_muic_probe(struct platform_device *pdev) delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); } - /* Set initial path for UART */ - max8997_muic_set_path(info, info->path_uart, true); + /* Set initial path for UART when JIG is connected to get serial logs */ + ret = max8997_bulk_read(info->muic, MAX8997_MUIC_REG_STATUS1, + 2, info->status); + if (ret) { + dev_err(info->dev, "failed to read MUIC register\n"); + return ret; + } + cable_type = max8997_muic_get_cable_type(info, + MAX8997_CABLE_GROUP_ADC, &attached); + if (attached && cable_type == MAX8997_MUIC_ADC_FACTORY_MODE_UART_OFF) + max8997_muic_set_path(info, info->path_uart, true); /* Set ADC debounce time */ max8997_muic_set_debounce_time(info, ADC_DEBOUNCE_TIME_25MS); |