ARM: OMAP: ads7846: fix pendown debounce setting

Quoted 26 lines · Igor Grinberg

Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the pendown GPIO debounce time setting by the below sequence:

gpio_request_one()
gpio_set_debounce()
gpio_free()

It also revealed a bug in the OMAP GPIO handling code which prevented the GPIO debounce clock to be disabled and CORE transition to low power states.

Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on free/reset) fixes the OMAP GPIO handling code by making sure that the GPIO debounce clock gets disabled if no GPIO is requested from current bank.

While fixing the OMAP GPIO handling code (in the right way), the above commit makes the gpio_request->set_debounce->free sequence invalid as after freeing the GPIO, the debounce settings are lost.

This patch set:
1) Adds the pendown GPIO debounce time setting to the platform data structure of the ads7846 driver.
2) Fixes the OMAP platform code to pass the debounce time value to the driver instead of handling it by itself.

Quoted 4 lines

Igor Grinberg (2):
ads7846: enable pendown GPIO debounce time setting
ARM: OMAP: ads7846: fix pendown debounce setting

Makes sense to me. Tony, I have some stuff to push for 3.7 final, mind if I pick OMAP change as well?