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| author | Alexey Sokolov <sokolov@7pikes.com> | 2015-06-02 11:49:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-08 14:01:13 -0700 |
| commit | 15bf722e6f6c0b884521a0363204532e849deb7f (patch) | |
| tree | 000d71b2f7dc9c25a75c8c3d556b3194103ae78a /drivers/usb/class/cdc-acm.c | |
| parent | 19915e623458004547c1c2490b09bb923fe69337 (diff) | |
| download | linux-15bf722e6f6c0b884521a0363204532e849deb7f.tar.gz linux-15bf722e6f6c0b884521a0363204532e849deb7f.tar.bz2 linux-15bf722e6f6c0b884521a0363204532e849deb7f.zip | |
cdc-acm: Add support of ATOL FPrint fiscal printers
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>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index eb22a0608033..519a77ba214c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1467,6 +1467,11 @@ 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) { @@ -1746,6 +1751,10 @@ 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 |