diff options
| author | Alexey Sokolov <sokolov@7pikes.com> | 2015-06-02 11:49:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-29 12:35:29 -0700 |
| commit | 81440341dbbb9655ba666c62325cceb17dec4621 (patch) | |
| tree | cbd05574d483b5506f2702ef0204d025f603d554 | |
| parent | d0a2a8df991b409174b5cc663791de0f95d875c5 (diff) | |
cdc-acm: Add support of ATOL FPrint fiscal printers
commit 15bf722e6f6c0b884521a0363204532e849deb7f upstream.
ATOL FPrint fiscal printers require usb_clear_halt to be executed
to work properly. Add quirk to fix the issue.
Signed-off-by: Alexey Sokolov <sokolov@7pikes.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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) |