* [Patch]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
@ 2010-08-09 17:57 Rezwanul Kabir
2010-08-09 19:31 ` Christoph Fritz
0 siblings, 1 reply; 3+ messages in thread
From: Rezwanul Kabir @ 2010-08-09 17:57 UTC (permalink / raw)
To: linux-input; +Cc: Rezwanul_Kabir, sebastian_kapfer, dmitry.torokhov, vojtech
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 2010-08-08 08:03:34.000000000 -0500
@@ -63,6 +63,8 @@ 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 +113,33 @@ static const struct alps_model_info alps
* on a dualpoint, etc.
*/
+
+static int dell_e2_setup_intellimouse_mode(void *data);
+
+static struct alps_model_quirk alps_model_init_quirk_tbl[] = {
+
+ { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode },
+ {}
+};
+
+static int alps_model_init_quirk(struct psmouse *psmouse,
+ const struct alps_model_info *model)
+{
+
+ int rc = 1;
+ struct alps_model_quirk *d = alps_model_init_quirk_tbl;
+
+ for (d = alps_model_init_quirk_tbl; d; d++) {
+ if (!memcmp(model->signature, d->signature,
+ sizeof(d->signature))) {
+ rc = d->callback(psmouse);
+ break;
+ }
+ }
+
+ return rc;
+}
+
static bool alps_is_valid_first_byte(const struct alps_model_info *model,
unsigned char data)
{
@@ -651,6 +680,53 @@ static void alps_disconnect(struct psmou
kfree(priv);
}
+/* 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;
+ struct input_dev *dev = psmouse->dev;
+ unsigned char param[3] = {0, 0, 0};
+
+ 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;
+
+ __set_bit(BTN_MIDDLE, dev->keybit);
+ __set_bit(REL_WHEEL, dev->relbit);
+
+ psmouse->pktsize = 4;
+ psmouse->type = PSMOUSE_IMPS;
+
+ return 0;
+}
+
int alps_init(struct psmouse *psmouse)
{
struct alps_data *priv;
@@ -677,6 +753,14 @@ int alps_init(struct psmouse *psmouse)
if (alps_hw_init(psmouse))
goto init_fail;
+ if (!alps_model_init_quirk(psmouse, model)) {
+ printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n");
+ input_free_device(dev2);
+ kfree(priv);
+ psmouse->private = NULL;
+ 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 2010-08-06 12:43:46.000000000 -0500
@@ -26,6 +26,11 @@ struct alps_data {
struct timer_list timer;
};
+struct alps_model_quirk {
+unsigned char signature[3];
+int (*callback)(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 2010-08-08 21:02:43.000000000 -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] 3+ messages in thread
* Re: [Patch]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2010-08-09 17:57 [Patch]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops Rezwanul Kabir
@ 2010-08-09 19:31 ` Christoph Fritz
2010-08-10 21:56 ` Rezwanul_Kabir
0 siblings, 1 reply; 3+ messages in thread
From: Christoph Fritz @ 2010-08-09 19:31 UTC (permalink / raw)
To: Rezwanul Kabir; +Cc: linux-input, sebastian_kapfer, dmitry.torokhov, vojtech
On Mon, Aug 09, 2010 at 12:57:38PM -0500, Rezwanul Kabir wrote:
> 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 2010-08-08 08:03:34.000000000 -0500
> @@ -63,6 +63,8 @@ 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 +113,33 @@ static const struct alps_model_info alps
> * on a dualpoint, etc.
> */
>
> +
> +static int dell_e2_setup_intellimouse_mode(void *data);
> +
I see you don't want the whole function at the top of the file. But why?
> +static struct alps_model_quirk alps_model_init_quirk_tbl[] = {
> +
> + { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode },
> + {}
> +};
> +
> +static int alps_model_init_quirk(struct psmouse *psmouse,
> + const struct alps_model_info *model)
> +{
> +
empty line
> + int rc = 1;
> + struct alps_model_quirk *d = alps_model_init_quirk_tbl;
> +
> + for (d = alps_model_init_quirk_tbl; d; d++) {
> + if (!memcmp(model->signature, d->signature,
> + sizeof(d->signature))) {
> + rc = d->callback(psmouse);
> + break;
> + }
> + }
> +
> + return rc;
> +}
> +
> static bool alps_is_valid_first_byte(const struct alps_model_info *model,
> unsigned char data)
> {
> @@ -651,6 +680,53 @@ static void alps_disconnect(struct psmou
> kfree(priv);
> }
>
> +/* 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;
> + struct input_dev *dev = psmouse->dev;
> + unsigned char param[3] = {0, 0, 0};
wouldn't be param[] = ... be enough?
> +
> + 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;
> +
> + __set_bit(BTN_MIDDLE, dev->keybit);
> + __set_bit(REL_WHEEL, dev->relbit);
> +
> + psmouse->pktsize = 4;
> + psmouse->type = PSMOUSE_IMPS;
> +
> + return 0;
> +}
> +
> int alps_init(struct psmouse *psmouse)
> {
> struct alps_data *priv;
> @@ -677,6 +753,14 @@ int alps_init(struct psmouse *psmouse)
> if (alps_hw_init(psmouse))
> goto init_fail;
>
> + if (!alps_model_init_quirk(psmouse, model)) {
> + printk(KERN_WARNING "alps.c: Enabled hardware quirk, falling back to psmouse-core\n");
> + input_free_device(dev2);
> + kfree(priv);
> + psmouse->private = NULL;
> + return 0;
> + }
goto init_fail; ?
Do you need to skip psmouse_reset(psmouse)?
> +
> /*
> * 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 2010-08-06 12:43:46.000000000 -0500
> @@ -26,6 +26,11 @@ struct alps_data {
> struct timer_list timer;
> };
>
> +struct alps_model_quirk {
> +unsigned char signature[3];
> +int (*callback)(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 2010-08-08 21:02:43.000000000 -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*/
just for cosmetic, please use space at the beginning of a comment
> + 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
^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: [Patch]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops
2010-08-09 19:31 ` Christoph Fritz
@ 2010-08-10 21:56 ` Rezwanul_Kabir
0 siblings, 0 replies; 3+ messages in thread
From: Rezwanul_Kabir @ 2010-08-10 21:56 UTC (permalink / raw)
To: chf.fritz; +Cc: linux-input, sebastian_kapfer, dmitry.torokhov, vojtech
>-----Original Message-----
>From: Christoph Fritz [mailto:chf.fritz@googlemail.com]
>Sent: Monday, August 09, 2010 2:31 PM
>To: Kabir, Rezwanul
>Cc: linux-input@vger.kernel.org; sebastian_kapfer@gmx.net;
>dmitry.torokhov@gmail.com; vojtech@suse.cz
>Subject: Re: [Patch]: Add support for Intellimouse Mode in
>ALPS touchpad on Dell E2 series Laptops
>
>On Mon, Aug 09, 2010 at 12:57:38PM -0500, Rezwanul Kabir wrote:
>> 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 2010-08-08
>08:03:34.000000000 -0500
>> @@ -63,6 +63,8 @@ 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 +113,33 @@ static const struct alps_model_info alps
>> * on a dualpoint, etc.
>> */
>>
>> +
>> +static int dell_e2_setup_intellimouse_mode(void *data);
>> +
>
>I see you don't want the whole function at the top of the
>file. But why?
Sorry, this was a remnant from something else that I was trying before. I will
fix it.
>> +static struct alps_model_quirk alps_model_init_quirk_tbl[] = {
>> +
>> + { {0x73, 0x02, 0x64}, dell_e2_setup_intellimouse_mode },
>> + {}
>> +};
>> +
>> +static int alps_model_init_quirk(struct psmouse *psmouse,
>> + const struct
>alps_model_info *model) {
>> +
>
>empty line
Okay, will fix it.
>> + int rc = 1;
>> + struct alps_model_quirk *d = alps_model_init_quirk_tbl;
>> +
>> + for (d = alps_model_init_quirk_tbl; d; d++) {
>> + if (!memcmp(model->signature, d->signature,
>> + sizeof(d->signature))) {
>> + rc = d->callback(psmouse);
>> + break;
>> + }
>> + }
>> +
>> + return rc;
>> +}
>> +
>> static bool alps_is_valid_first_byte(const struct
>alps_model_info *model,
>> unsigned char data)
>> {
>> @@ -651,6 +680,53 @@ static void alps_disconnect(struct psmou
>> kfree(priv);
>> }
>>
>> +/* 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;
>> + struct input_dev *dev = psmouse->dev;
>> + unsigned char param[3] = {0, 0, 0};
>
>wouldn't be param[] = ... be enough?
>
Okay will fix it.
>> +
>> + 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;
>> +
>> + __set_bit(BTN_MIDDLE, dev->keybit);
>> + __set_bit(REL_WHEEL, dev->relbit);
>> +
>> + psmouse->pktsize = 4;
>> + psmouse->type = PSMOUSE_IMPS;
>> +
>> + return 0;
>> +}
>> +
>> int alps_init(struct psmouse *psmouse) {
>> struct alps_data *priv;
>> @@ -677,6 +753,14 @@ int alps_init(struct psmouse *psmouse)
>> if (alps_hw_init(psmouse))
>> goto init_fail;
>>
>> + if (!alps_model_init_quirk(psmouse, model)) {
>> + printk(KERN_WARNING "alps.c: Enabled hardware
>quirk, falling back to psmouse-core\n");
>> + input_free_device(dev2);
>> + kfree(priv);
>> + psmouse->private = NULL;
>> + return 0;
>> + }
>
>goto init_fail; ?
>Do you need to skip psmouse_reset(psmouse)?
>
Yes, reset will destroy the Intellimouse settings.
Thanks for the feedback, I will resend the patch with the suggestions
--rez
>> +
>> /*
>> * 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 2010-08-06
>12:43:46.000000000 -0500
>> @@ -26,6 +26,11 @@ struct alps_data {
>> struct timer_list timer;
>> };
>>
>> +struct alps_model_quirk {
>> +unsigned char signature[3];
>> +int (*callback)(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 2010-08-08
>21:02:43.000000000 -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*/
>
>just for cosmetic, please use space at the beginning of a comment
>
>> + 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
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-08-09 17:57 [Patch]: Add support for Intellimouse Mode in ALPS touchpad on Dell E2 series Laptops Rezwanul Kabir
2010-08-09 19:31 ` Christoph Fritz
2010-08-10 21:56 ` Rezwanul_Kabir
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