LP Bug 270643 - ALPA touchpad not recognized in Dell Latitude E6400

[Leann Ogasawara]

The following should resolve LP Bug 270643 - "ALPS touchpad not
recognized in Dell Latitude E6400".  I have compiled and boot tested
this on i386.  The patch is attached as well as inlined below for
immediate review/comment.  A subscriber to the bug report has tested and
confirmed the patch to resolve the issue on his E6400:

https://bugs.edge.launchpad.net/ubuntu/+bug/270643/comments/18

UBUNTU: Add ALPS touchpad support for DualPoint model found in Dell
Latitude E6500/E6400
OriginalAuthor: Elvis Pranskevichus <el at prans.net>
OriginalLocation: http://lkml.org/lkml/2008/9/7/133
Bug: #270643
    
ALPS touchpad for Dell Latitude E6500/E6400 is not being recognized so
add support.

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index fb81e52..38c5025 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -54,6 +54,7 @@ static const struct alps_model_info alps_model_data[] = {
 	{ { 0x20, 0x02, 0x0e },	0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
 	{ { 0x22, 0x02, 0x0a },	0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
 	{ { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
+	{ { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */
 	{ { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 } /* Dell Vostro 1400 */
 };
 

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