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* [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers
@ 2015-06-02  8:05 Alexey Sokolov
  2015-06-02  8:07 ` Ben Dooks
  2015-06-02  8:12 ` Oliver Neukum
  0 siblings, 2 replies; 4+ messages in thread
From: Alexey Sokolov @ 2015-06-02  8:05 UTC (permalink / raw)
  To: oliver, gregkh, linux-usb, linux-kernel

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>
---
 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));
+	}
+
 	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 ffeb3c8..b3b6c9d 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)
-- 
2.4.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers
  2015-06-02  8:05 [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers Alexey Sokolov
@ 2015-06-02  8:07 ` Ben Dooks
  2015-06-02  8:12 ` Oliver Neukum
  1 sibling, 0 replies; 4+ messages in thread
From: Ben Dooks @ 2015-06-02  8:07 UTC (permalink / raw)
  To: Alexey Sokolov, oliver, gregkh, linux-usb, linux-kernel

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@7pikes.com>
> ---
>  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

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers
  2015-06-02  8:05 [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers Alexey Sokolov
  2015-06-02  8:07 ` Ben Dooks
@ 2015-06-02  8:12 ` Oliver Neukum
  1 sibling, 0 replies; 4+ messages in thread
From: Oliver Neukum @ 2015-06-02  8:12 UTC (permalink / raw)
  To: Alexey Sokolov; +Cc: gregkh, linux-usb, linux-kernel

On Tue, 2015-06-02 at 11:05 +0300, Alexey Sokolov wrote:
> ATOL FPrint fiscal printers require usb_clear_halt to be executed
> to work properly. Add quirk to fix the issue.
> 


Hi,

thank you for this patch.

> Signed-off-by: Alexey Sokolov <sokolov@7pikes.com>
> ---
>  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) {

Please make that
quirks & CLEAR_HALT_CONDITIONS

	Regards
		Oliver


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers
@ 2015-06-02  8:49 Alexey Sokolov
  0 siblings, 0 replies; 4+ messages in thread
From: Alexey Sokolov @ 2015-06-02  8:49 UTC (permalink / raw)
  To: oliver, gregkh, linux-usb, linux-kernel

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>
---
 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..a086e1d 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 ffeb3c8..b3b6c9d 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)
-- 
2.4.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-06-02  8:49 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-06-02  8:05 [PATCH 1/1] cdc-acm: Add support of ATOL FPrint fiscal printers Alexey Sokolov
2015-06-02  8:07 ` Ben Dooks
2015-06-02  8:12 ` Oliver Neukum
2015-06-02  8:49 Alexey Sokolov

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