It looks to me the driver is not attached to the correct interrupt.
The original FEX file contains :
ctp_int_port = port:PG11<6><default><default><default>
which is supposed to be INT11 as per http://linux-sunxi.org/A13/PIO.
But it seems it is linked to IRQ 28 :
cat /proc/interrupts
CPU0
0: 0 sw_vic axp_mfd
7: 6110 sw_vic sunxi-i2c.0
8: 7524 sw_vic sunxi-i2c.1
9: 0 sw_vic sunxi-i2c.2
22: 51286 sw_vic timer0
27: 100 sw_vic dma_irq
28: 0 sw_vic ft5x_ts
32: 21538 sw_vic sunxi-mmc
37: 0 sw_vic nand
38: 1131 sw_vic sw_hcd_host0
39: 1 sw_vic
44: 61019 sw_vic sunxi lcd0
47: 30509 sw_vic sunxi scaler0
Err: 0
As the fex file is from this tablet former android system, on which the
touchscreen is working, I think the problem is or in the kernel, on in the ft5x
driver.
Any tip ?
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