On 02/06/15 11:05, Alexey Sokolov wrote:
> 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@xxxxxxxxxx>
> ---
> drivers/usb/class/cdc-acm.c | 9 +++++++++
> drivers/usb/class/cdc-acm.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 5c8f581..9d8a321 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));
> + }
> +
Given quirks looks like a bitfield, it would be better if this is
if (quirks & CLEAR_HALT_CONDITIONS) {
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
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