diff options
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 9 | ||||
| -rw-r--r-- | drivers/usb/class/cdc-acm.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 5c8f58114677..a086e1d69bc7 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1477,6 +1477,11 @@ skip_countries: goto alloc_fail8; } + if (quirks & CLEAR_HALT_CONDITIONS) { + usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress)); + usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress)); + } + return 0; alloc_fail8: if (acm->country_codes) { @@ -1756,6 +1761,10 @@ static const struct usb_device_id acm_ids[] = { .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ }, + { USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */ + .driver_info = CLEAR_HALT_CONDITIONS, + }, + /* Nokia S60 phones expose two ACM channels. The first is * a modem and is picked up by the standard AT-command * information below. The second is 'vendor-specific' but diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index ffeb3c83941f..b3b6c9db6fe5 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -133,3 +133,4 @@ struct acm { #define NO_DATA_INTERFACE BIT(4) #define IGNORE_DEVICE BIT(5) #define QUIRK_CONTROL_LINE_STATE BIT(6) +#define CLEAR_HALT_CONDITIONS BIT(7) |