* [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
@ 2010-11-23 20:15 Rezwanul Kabir
2011-02-17 15:05 ` Jiri Kosina
0 siblings, 1 reply; 5+ messages in thread
From: Rezwanul Kabir @ 2010-11-23 20:15 UTC (permalink / raw)
To: linux-input; +Cc: Rezwanul_Kabir
Resending modified patch to fix suspend/resume issues and restricting the
quirks to Dell portables only.
Dell E2 series laptops ( M4500, E6510, E6410 etc.) have ALPS touchpads
which are enabled by default as 3-byte generic PS/2 mouse mode. This
patch enables the 4-byte "Intellimouse Mode" ( e.g scrolling support).
Signed-off-by: Rezwanul_Kabir <Rezwanul_Kabir@dell.com>
---
diff -urNp a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
--- a/drivers/input/mouse/alps.c 2010-08-06 12:43:11.000000000 -0500
+++ b/drivers/input/mouse/alps.c 2010-09-20 15:42:26.000000000 -0500
@@ -15,6 +15,7 @@
* the Free Software Foundation.
*/
+#include <linux/dmi.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/serio.h>
@@ -63,6 +64,8 @@ static const struct alps_model_info alps
/* Dell Latitude E5500, E6400, E6500, Precision M4400 */
{ { 0x62, 0x02, 0x14 }, 0xcf, 0xcf,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
+ /* Dell Precision 4500 */
+ { { 0x73, 0x02, 0x64 }, 0x80, 0x80, 0 },
{ { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
{ { 0x52, 0x01, 0x14 }, 0xff, 0xff,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */
@@ -111,6 +114,92 @@ static const struct alps_model_info alps
* on a dualpoint, etc.
*/
+static const struct dmi_system_id dell_quirk_table[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "9"),
+ },
+ },
+ { }
+};
+
+int alps_model_quirk_enabled;
+static void dell_e2_model_init(void *data);
+
+ /* Magic Sequence to enable Intellimouse Mode on Dell E2 Touchpads*/
+
+static int dell_e2_setup_intellimouse_mode(void *data)
+{
+ struct psmouse *psmouse = (struct psmouse *)(data);
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[] = {0, 0, 0};
+
+ if (!dmi_check_system(dell_quirk_table))
+ return -1;
+
+ if (ps2_command(ps2dev, param, 0x00f5) ||
+ ps2_command(ps2dev, param, 0x00ea) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x00ec) ||
+ ps2_command(ps2dev, param, 0x03e9))
+ return -1;
+
+ dbg("alps:dell_e2_setup: param[0]: %x,"
+ "param[1]: %x, param[2]: %x\n", param[0],
+ param[1], param[2]);
+ /* Check for supported model to continue */
+
+ if (!((param[0] == 0x88) && (param[1] == 0x07)
+ && ((param[2] == 0x9D) || (param[2] == 0x9B))))
+ return -1;
+
+ if (ps2_command(ps2dev, NULL, 0x00ec) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f3) ||
+ ps2_command(ps2dev, NULL, 0x0028) ||
+ ps2_command(ps2dev, NULL, 0x00f0) ||
+ ps2_command(ps2dev, NULL, 0x00f6) ||
+ ps2_command(ps2dev, NULL, 0x00ea) ||
+ ps2_command(ps2dev, NULL, 0x00f4))
+ return -1;
+
+ return 0;
+}
+
+static const struct alps_model_quirk alps_model_init_quirk_tbl[] = {
+
+ { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode, dell_e2_model_init }
+};
+
+static int alps_model_hw_init_quirk(struct psmouse *psmouse,
+ const struct alps_model_info *model)
+{
+ int rc = 1;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(alps_model_init_quirk_tbl); i++) {
+ if (!memcmp(model->signature,
+ alps_model_init_quirk_tbl[i].signature,
+ sizeof(alps_model_init_quirk_tbl[i].signature))) {
+ rc = alps_model_init_quirk_tbl[i].alps_model_quirk_hw_init(psmouse);
+ alps_model_quirk_enabled = i + 1;
+ break;
+ }
+ }
+
+ return rc;
+}
+
static bool alps_is_valid_first_byte(const struct alps_model_info *model,
unsigned char data)
{
@@ -599,6 +688,10 @@ static int alps_hw_init(struct psmouse *
struct alps_data *priv = psmouse->private;
const struct alps_model_info *model = priv->i;
+ if (alps_model_hw_init_quirk(psmouse, model)) {
+ alps_model_quirk_enabled = 0;
+ }
+
if ((model->flags & ALPS_PASS) &&
alps_passthrough_mode(psmouse, true)) {
return -1;
@@ -651,6 +744,21 @@ static void alps_disconnect(struct psmou
kfree(priv);
}
+static void dell_e2_model_init(void *data)
+{
+ struct psmouse *psmouse = (struct psmouse *)(data);
+ struct input_dev *dev = psmouse->dev;
+
+ __set_bit(BTN_MIDDLE, dev->keybit);
+ __set_bit(REL_WHEEL, dev->relbit);
+
+ psmouse->pktsize = 4;
+ psmouse->type = PSMOUSE_IMPS;
+ psmouse->disconnect = alps_disconnect;
+ psmouse->reconnect = alps_reconnect;
+
+}
+
int alps_init(struct psmouse *psmouse)
{
struct alps_data *priv;
@@ -677,6 +785,12 @@ int alps_init(struct psmouse *psmouse)
if (alps_hw_init(psmouse))
goto init_fail;
+ if (alps_model_quirk_enabled) {
+ printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n");
+ alps_model_init_quirk_tbl[alps_model_quirk_enabled-1].alps_model_quirk_init(psmouse);
+ return 0;
+ }
+
/*
* Undo part of setup done for us by psmouse core since touchpad
* is not a relative device.
diff -urNp a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
--- a/drivers/input/mouse/alps.h 2010-08-06 12:43:06.000000000 -0500
+++ b/drivers/input/mouse/alps.h 2010-09-20 03:20:07.000000000 -0500
@@ -26,6 +26,12 @@ struct alps_data {
struct timer_list timer;
};
+struct alps_model_quirk {
+unsigned char signature[3];
+int (*alps_model_quirk_hw_init)(void *data);
+void (*alps_model_quirk_init)(void *data);
+};
+
#ifdef CONFIG_MOUSE_PS2_ALPS
int alps_detect(struct psmouse *psmouse, bool set_properties);
int alps_init(struct psmouse *psmouse);
diff -urNp a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
--- a/drivers/input/mouse/psmouse-base.c 2010-08-06 12:42:57.000000000 -0500
+++ b/drivers/input/mouse/psmouse-base.c 2010-09-20 15:20:35.000000000 -0500
@@ -659,7 +659,8 @@ static int psmouse_extensions(struct psm
ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
if (alps_detect(psmouse, set_properties) == 0) {
if (!set_properties || alps_init(psmouse) == 0)
- return PSMOUSE_ALPS;
+/* If ALPS model quirk was applied, don't change the settings */
+ return psmouse->type ? psmouse->type : PSMOUSE_ALPS;
/*
* Init failed, try basic relative protocols
*/
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2010-11-23 20:15 [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops Rezwanul Kabir
@ 2011-02-17 15:05 ` Jiri Kosina
2011-02-17 17:24 ` Dmitry Torokhov
0 siblings, 1 reply; 5+ messages in thread
From: Jiri Kosina @ 2011-02-17 15:05 UTC (permalink / raw)
To: Rezwanul Kabir; +Cc: linux-input, Dmitry Torokhov
On Tue, 23 Nov 2010, Rezwanul Kabir wrote:
> Resending modified patch to fix suspend/resume issues and restricting the
> quirks to Dell portables only.
>
> Dell E2 series laptops ( M4500, E6510, E6410 etc.) have ALPS touchpads
> which are enabled by default as 3-byte generic PS/2 mouse mode. This
> patch enables the 4-byte "Intellimouse Mode" ( e.g scrolling support).
>
> Signed-off-by: Rezwanul_Kabir <Rezwanul_Kabir@dell.com>
This seems to have never been merged. Adding Dmitry to CC -- Dmitry, do
you see any issues with the patch, or has it just slipped through cracks?
Thanks.
> ---
>
> diff -urNp a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> --- a/drivers/input/mouse/alps.c 2010-08-06 12:43:11.000000000 -0500
> +++ b/drivers/input/mouse/alps.c 2010-09-20 15:42:26.000000000 -0500
> @@ -15,6 +15,7 @@
> * the Free Software Foundation.
> */
>
> +#include <linux/dmi.h>
> #include <linux/slab.h>
> #include <linux/input.h>
> #include <linux/serio.h>
> @@ -63,6 +64,8 @@ static const struct alps_model_info alps
> /* Dell Latitude E5500, E6400, E6500, Precision M4400 */
> { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf,
> ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
> + /* Dell Precision 4500 */
> + { { 0x73, 0x02, 0x64 }, 0x80, 0x80, 0 },
> { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
> { { 0x52, 0x01, 0x14 }, 0xff, 0xff,
> ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */
> @@ -111,6 +114,92 @@ static const struct alps_model_info alps
> * on a dualpoint, etc.
> */
>
> +static const struct dmi_system_id dell_quirk_table[] = {
> + {
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> + DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
> + },
> + },
> + {
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> + DMI_MATCH(DMI_CHASSIS_TYPE, "9"),
> + },
> + },
> + { }
> +};
> +
> +int alps_model_quirk_enabled;
> +static void dell_e2_model_init(void *data);
> +
> + /* Magic Sequence to enable Intellimouse Mode on Dell E2 Touchpads*/
> +
> +static int dell_e2_setup_intellimouse_mode(void *data)
> +{
> + struct psmouse *psmouse = (struct psmouse *)(data);
> + struct ps2dev *ps2dev = &psmouse->ps2dev;
> + unsigned char param[] = {0, 0, 0};
> +
> + if (!dmi_check_system(dell_quirk_table))
> + return -1;
> +
> + if (ps2_command(ps2dev, param, 0x00f5) ||
> + ps2_command(ps2dev, param, 0x00ea) ||
> + ps2_command(ps2dev, param, 0x00ec) ||
> + ps2_command(ps2dev, param, 0x00ec) ||
> + ps2_command(ps2dev, param, 0x00ec) ||
> + ps2_command(ps2dev, param, 0x03e9))
> + return -1;
> +
> + dbg("alps:dell_e2_setup: param[0]: %x,"
> + "param[1]: %x, param[2]: %x\n", param[0],
> + param[1], param[2]);
> + /* Check for supported model to continue */
> +
> + if (!((param[0] == 0x88) && (param[1] == 0x07)
> + && ((param[2] == 0x9D) || (param[2] == 0x9B))))
> + return -1;
> +
> + if (ps2_command(ps2dev, NULL, 0x00ec) ||
> + ps2_command(ps2dev, NULL, 0x00f0) ||
> + ps2_command(ps2dev, NULL, 0x00f0) ||
> + ps2_command(ps2dev, NULL, 0x00f0) ||
> + ps2_command(ps2dev, NULL, 0x00f3) ||
> + ps2_command(ps2dev, NULL, 0x0028) ||
> + ps2_command(ps2dev, NULL, 0x00f0) ||
> + ps2_command(ps2dev, NULL, 0x00f6) ||
> + ps2_command(ps2dev, NULL, 0x00ea) ||
> + ps2_command(ps2dev, NULL, 0x00f4))
> + return -1;
> +
> + return 0;
> +}
> +
> +static const struct alps_model_quirk alps_model_init_quirk_tbl[] = {
> +
> + { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode, dell_e2_model_init }
> +};
> +
> +static int alps_model_hw_init_quirk(struct psmouse *psmouse,
> + const struct alps_model_info *model)
> +{
> + int rc = 1;
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(alps_model_init_quirk_tbl); i++) {
> + if (!memcmp(model->signature,
> + alps_model_init_quirk_tbl[i].signature,
> + sizeof(alps_model_init_quirk_tbl[i].signature))) {
> + rc = alps_model_init_quirk_tbl[i].alps_model_quirk_hw_init(psmouse);
> + alps_model_quirk_enabled = i + 1;
> + break;
> + }
> + }
> +
> + return rc;
> +}
> +
> static bool alps_is_valid_first_byte(const struct alps_model_info *model,
> unsigned char data)
> {
> @@ -599,6 +688,10 @@ static int alps_hw_init(struct psmouse *
> struct alps_data *priv = psmouse->private;
> const struct alps_model_info *model = priv->i;
>
> + if (alps_model_hw_init_quirk(psmouse, model)) {
> + alps_model_quirk_enabled = 0;
> + }
> +
> if ((model->flags & ALPS_PASS) &&
> alps_passthrough_mode(psmouse, true)) {
> return -1;
> @@ -651,6 +744,21 @@ static void alps_disconnect(struct psmou
> kfree(priv);
> }
>
> +static void dell_e2_model_init(void *data)
> +{
> + struct psmouse *psmouse = (struct psmouse *)(data);
> + struct input_dev *dev = psmouse->dev;
> +
> + __set_bit(BTN_MIDDLE, dev->keybit);
> + __set_bit(REL_WHEEL, dev->relbit);
> +
> + psmouse->pktsize = 4;
> + psmouse->type = PSMOUSE_IMPS;
> + psmouse->disconnect = alps_disconnect;
> + psmouse->reconnect = alps_reconnect;
> +
> +}
> +
> int alps_init(struct psmouse *psmouse)
> {
> struct alps_data *priv;
> @@ -677,6 +785,12 @@ int alps_init(struct psmouse *psmouse)
> if (alps_hw_init(psmouse))
> goto init_fail;
>
> + if (alps_model_quirk_enabled) {
> + printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n");
> + alps_model_init_quirk_tbl[alps_model_quirk_enabled-1].alps_model_quirk_init(psmouse);
> + return 0;
> + }
> +
> /*
> * Undo part of setup done for us by psmouse core since touchpad
> * is not a relative device.
> diff -urNp a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
> --- a/drivers/input/mouse/alps.h 2010-08-06 12:43:06.000000000 -0500
> +++ b/drivers/input/mouse/alps.h 2010-09-20 03:20:07.000000000 -0500
> @@ -26,6 +26,12 @@ struct alps_data {
> struct timer_list timer;
> };
>
> +struct alps_model_quirk {
> +unsigned char signature[3];
> +int (*alps_model_quirk_hw_init)(void *data);
> +void (*alps_model_quirk_init)(void *data);
> +};
> +
> #ifdef CONFIG_MOUSE_PS2_ALPS
> int alps_detect(struct psmouse *psmouse, bool set_properties);
> int alps_init(struct psmouse *psmouse);
> diff -urNp a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
> --- a/drivers/input/mouse/psmouse-base.c 2010-08-06 12:42:57.000000000 -0500
> +++ b/drivers/input/mouse/psmouse-base.c 2010-09-20 15:20:35.000000000 -0500
> @@ -659,7 +659,8 @@ static int psmouse_extensions(struct psm
> ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
> if (alps_detect(psmouse, set_properties) == 0) {
> if (!set_properties || alps_init(psmouse) == 0)
> - return PSMOUSE_ALPS;
> +/* If ALPS model quirk was applied, don't change the settings */
> + return psmouse->type ? psmouse->type : PSMOUSE_ALPS;
> /*
> * Init failed, try basic relative protocols
> */
> --
> To unsubscribe from this list: send the line "unsubscribe linux-input" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
--
Jiri Kosina
SUSE Labs, Novell Inc.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2011-02-17 15:05 ` Jiri Kosina
@ 2011-02-17 17:24 ` Dmitry Torokhov
2011-02-17 21:07 ` Jiri Kosina
0 siblings, 1 reply; 5+ messages in thread
From: Dmitry Torokhov @ 2011-02-17 17:24 UTC (permalink / raw)
To: Jiri Kosina; +Cc: Rezwanul Kabir, linux-input
On Thu, Feb 17, 2011 at 04:05:34PM +0100, Jiri Kosina wrote:
> On Tue, 23 Nov 2010, Rezwanul Kabir wrote:
>
> > Resending modified patch to fix suspend/resume issues and restricting the
> > quirks to Dell portables only.
> >
> > Dell E2 series laptops ( M4500, E6510, E6410 etc.) have ALPS touchpads
> > which are enabled by default as 3-byte generic PS/2 mouse mode. This
> > patch enables the 4-byte "Intellimouse Mode" ( e.g scrolling support).
> >
> > Signed-off-by: Rezwanul_Kabir <Rezwanul_Kabir@dell.com>
>
> This seems to have never been merged. Adding Dmitry to CC -- Dmitry, do
> you see any issues with the patch, or has it just slipped through cracks?
Jiri,
I do not want to merge this patch into mainline - it is a crutch that
only works on Dell boxes whereas these touchpads are in abundance
everywhere and we even have initialization sequence captured. So I am
hoping someone who has hardware would spend some time and write proper
support.
Thanks.
--
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2011-02-17 17:24 ` Dmitry Torokhov
@ 2011-02-17 21:07 ` Jiri Kosina
2011-02-17 21:16 ` Dmitry Torokhov
0 siblings, 1 reply; 5+ messages in thread
From: Jiri Kosina @ 2011-02-17 21:07 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: Rezwanul Kabir, linux-input
On Thu, 17 Feb 2011, Dmitry Torokhov wrote:
> > > Resending modified patch to fix suspend/resume issues and restricting the
> > > quirks to Dell portables only.
> > >
> > > Dell E2 series laptops ( M4500, E6510, E6410 etc.) have ALPS touchpads
> > > which are enabled by default as 3-byte generic PS/2 mouse mode. This
> > > patch enables the 4-byte "Intellimouse Mode" ( e.g scrolling support).
> > >
> > > Signed-off-by: Rezwanul_Kabir <Rezwanul_Kabir@dell.com>
> >
> > This seems to have never been merged. Adding Dmitry to CC -- Dmitry, do
> > you see any issues with the patch, or has it just slipped through cracks?
>
> Jiri,
>
> I do not want to merge this patch into mainline - it is a crutch that
> only works on Dell boxes whereas these touchpads are in abundance
> everywhere and we even have initialization sequence captured. So I am
> hoping someone who has hardware would spend some time and write proper
> support.
Good, thanks for letting me know. I'll try to get some hardware myself and
work on it (so far I have been only getting reports that it doesn't work
:) ).
Thanks,
--
Jiri Kosina
SUSE Labs, Novell Inc.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2011-02-17 21:07 ` Jiri Kosina
@ 2011-02-17 21:16 ` Dmitry Torokhov
0 siblings, 0 replies; 5+ messages in thread
From: Dmitry Torokhov @ 2011-02-17 21:16 UTC (permalink / raw)
To: Jiri Kosina; +Cc: Rezwanul Kabir, linux-input
On Thu, Feb 17, 2011 at 10:07:17PM +0100, Jiri Kosina wrote:
> On Thu, 17 Feb 2011, Dmitry Torokhov wrote:
>
> > > > Resending modified patch to fix suspend/resume issues and restricting the
> > > > quirks to Dell portables only.
> > > >
> > > > Dell E2 series laptops ( M4500, E6510, E6410 etc.) have ALPS touchpads
> > > > which are enabled by default as 3-byte generic PS/2 mouse mode. This
> > > > patch enables the 4-byte "Intellimouse Mode" ( e.g scrolling support).
> > > >
> > > > Signed-off-by: Rezwanul_Kabir <Rezwanul_Kabir@dell.com>
> > >
> > > This seems to have never been merged. Adding Dmitry to CC -- Dmitry, do
> > > you see any issues with the patch, or has it just slipped through cracks?
> >
> > Jiri,
> >
> > I do not want to merge this patch into mainline - it is a crutch that
> > only works on Dell boxes whereas these touchpads are in abundance
> > everywhere and we even have initialization sequence captured. So I am
> > hoping someone who has hardware would spend some time and write proper
> > support.
>
> Good, thanks for letting me know. I'll try to get some hardware myself and
> work on it (so far I have been only getting reports that it doesn't work
> :) ).
>
Great, and if you need testers - look here ;)
https://bugzilla.kernel.org/show_bug.cgi?id=14660
--
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-02-17 21:16 UTC | newest]
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2010-11-23 20:15 [RESEND PATCH]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops Rezwanul Kabir
2011-02-17 15:05 ` Jiri Kosina
2011-02-17 17:24 ` Dmitry Torokhov
2011-02-17 21:07 ` Jiri Kosina
2011-02-17 21:16 ` Dmitry Torokhov
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