From 644fde1c387f63047fba9c95a72bc9a0f080cbde Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Tue, 13 Nov 2018 16:38:47 +0100 Subject: [PATCH] extcon: max8997: Fix lack of path setting in USB device mode [ Upstream commit a2dc50914744eea9f83a70a5db0486be625e5dc0 ] MAX8997 driver disables automatic path selection from MicroUSB connector and manually sets path to either UART or USB lines. However the code for setting USB path worked only for USB host mode (when ID pin is set to ground). When standard USB cable (USB device mode) is connected, path registers are not touched. This means that once the non-USB accessory is connected to MAX8997-operated micro USB port, the path is no longer set to USB and USB device mode doesn't work. This patch fixes it by setting USB path both for USB and USB host modes. Signed-off-by: Marek Szyprowski Signed-off-by: Chanwoo Choi Signed-off-by: Sasha Levin --- drivers/extcon/extcon-max8997.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 9f30f4929b72..7a767b66dd86 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -321,12 +321,10 @@ static int max8997_muic_handle_usb(struct max8997_muic_info *info, { int ret = 0; - if (usb_type == MAX8997_USB_HOST) { - ret = max8997_muic_set_path(info, info->path_usb, attached); - if (ret < 0) { - dev_err(info->dev, "failed to update muic register\n"); - return ret; - } + ret = max8997_muic_set_path(info, info->path_usb, attached); + if (ret < 0) { + dev_err(info->dev, "failed to update muic register\n"); + return ret; } switch (usb_type) {