Commit 408a1c7a authored by Alexey Sokolov's avatar Alexey Sokolov Committed by Luis Henriques

cdc-acm: Add support of ATOL FPrint fiscal printers

commit 15bf722e upstream.

ATOL FPrint fiscal printers require usb_clear_halt to be executed
to work properly. Add quirk to fix the issue.
Signed-off-by: default avatarAlexey Sokolov <sokolov@7pikes.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent c6c55c91
......@@ -1480,6 +1480,11 @@ static int acm_probe(struct usb_interface *intf,
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) {
......@@ -1759,6 +1764,10 @@ 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
......
......@@ -134,3 +134,4 @@ 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)
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment