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otgcontrol: enable readback of last written USB OTG dr mode 

Fix bug not storing this when setting the USB OTG dr mode
pull/10/head
Steinar Bakkemo 2019-08-20 21:25:17 +02:00
parent 33efe1a268
commit 437fb4e4fb
1 changed files with 25 additions and 8 deletions
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33
drivers/misc/rm-otgcontrol/otgcontrol_dr_mode.c
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@ -50,6 +50,8 @@ int otgcontrol_init_extcon(struct rm_otgcontrol_data *otgc_data)
int otgcontrol_set_dr_mode(struct rm_otgcontrol_data *otgc_data, int mode)
{
int ret;
switch(mode)
{
case OTG1_DR_MODE__DEVICE:
@ -57,10 +59,16 @@ int otgcontrol_set_dr_mode(struct rm_otgcontrol_data *otgc_data, int mode)
"%s: Switching OTG1 DR mode -> DEVICE\n",
__func__);
return extcon_set_state_sync(otgc_data->extcon_dev,
EXTCON_USB_HOST,
false);
ret = extcon_set_state_sync(otgc_data->extcon_dev,
EXTCON_USB_HOST,
false);
if (ret < 0) {
dev_err(otgc_data->dev,
"%s: Failed to set OTG1 DR mode\n",
__func__);
return ret;
}
break;
case OTG1_DR_MODE__HOST:
@ -68,21 +76,30 @@ int otgcontrol_set_dr_mode(struct rm_otgcontrol_data *otgc_data, int mode)
"%s: Switching OTG1 DR mode -> HOST\n",
__func__);
return extcon_set_state_sync(otgc_data->extcon_dev,
EXTCON_USB_HOST,
true);
otgc_data->otg1_dr_mode = mode;
ret = extcon_set_state_sync(otgc_data->extcon_dev,
EXTCON_USB_HOST,
true);
if (ret < 0) {
dev_err(otgc_data->dev,
"%s: Failed to set OTG1 DR mode\n",
__func__);
return ret;
}
break;
default:
dev_dbg(otgc_data->dev,
dev_err(otgc_data->dev,
"%s: unable to switch OTG1 DR mode (unknown mode %d)\n",
__func__,
mode);
return -EINVAL;
}
return 0;
otgc_data->otg1_dr_mode = mode;
return ret;
}
int otgcontrol_get_dr_mode(struct rm_otgcontrol_data *otgc_data)