Possible MXT1386 Touchscreen drivers source from the Acer Iconia A500 source

3239 Views 4 Replies 3 Participants Last post by scifan, Sep 3, 2011

ften

Discussion Starter · Sep 2, 2011 (Edited by Moderator)

The Acer Iconia A500 uses a MXT1386 touch screen controller. Link

XDA links to source;
http://forum.xda-developers.com/showthread.php?t=1138636

I'm basis this lead off the following line in the Android kernel config;
CONFIG_TOUCHSCREEN_MXT1386_I2C=y

The driver is located in the source at;
/kernel/drviers/input/touchscreen/atmel_maxtouch.c

The source contains reference to maXTouch1386 i2c, so maybe it will help out.

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scifan

· #2 · Sep 3, 2011

View attachment 1893 Strange... the /boot/config-2.6.xxxx from of my touchpad has this entry:

CONFIG_TOUCHSCREEN_CY8CTMA395=y

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flexnix

· #3 · Sep 3, 2011 (Edited by Moderator)

As well as the Motorolla Xoom which is said to use the MXT1386 controller.

The kernel source can be found: android.git.kernel.org, kernel/tegra.git project, android-tegra-2.6.36-honeycomb-mr1 head/branch.

And some more information on it.
http://www.atmel.com/dyn/resources/prod_documents/9584S.pdf

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ften

Discussion Starter · #4 · Sep 3, 2011

scifan said:
View attachment 2888 Strange... the /boot/config-2.6.xxxx from of my touchpad has this entry:

CONFIG_TOUCHSCREEN_CY8CTMA395=y

The config I was referencing was the config from the Android dump, not the standard Touchpad config. Although the Android config does have two touchscreen enable lines;
CONFIG_TOUCHSCREEN_CYPRESS_HP_I2C=y
CONFIG_TOUCHSCREEN_MXT1386_I2C=y

So Qualcomm could have just forgot to change the MXT1386 line or put it in for some other reason.