Messages in this thread | | | From | Larry Finger <> | Subject | Regression since commit 92bac83 | Date | Sun, 18 Oct 2015 18:59:55 -0500 |
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Hi,
I recently upgraded the kernel in a Dell Latitude D600 and found that the touchpad clicks failed. The problem was bisected to commit 92bac83dd79e60e65c475222e41a992a70434beb ("Input: alps - non interleaved V2 dualpoint has separate stick button bits"). The laptop has a combination touchpad and control stick. For this device, the following values are found:
priv->protoversion is 0x200 (ALPS_PROTO_V2) priv->flags is 0x6 (ALPS_DUALPOINT | ALPS_PASS)
As a result, the new code added in this patch is executed, and left, right, and middle are updated. Once this code is introduced, a left click causes some event as it will wake a sleeping screen, but not select any windows or do anything useful.
Please advise on what information would be needed to help debug this problem.
Thanks,
Larry
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