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On 06/23/2012 01:48 AM, simon.budig@xxxxxxxxxxxxxxxxx wrote:
> This is a new iteration of the driver for the edt ft5x06 based
> polytouch series of touchscreens. It contains most of the changes
> from Dmitry. I did not incorporate the attribute is_visible-stuff,
> since it did not work as expected for me. Also I do not release the
> reset pin.
I should add that this version might need a change in the registration
process in the board file, since it now uses the irq field of the i2c
entry instead of determining it from the irq-pin platform data.
So if your platform doesn't automatically configure the gpio pin when
requesting a gpio based IRQ you need to specify both for the driver to
configure it:
For my i.mx28 based board it looks like this:
static struct edt_ft5x06_platform_data edt_ft5x06_pdata = {
.irq_pin = MXS_GPIO_NR(2, 5),
.reset_pin = MXS_GPIO_NR(2, 6),
};
static struct i2c_board_info tx28_stk5v3_i2c_boardinfo[] __initdata = {
[...]
{
I2C_BOARD_INFO("edt-ft5x06", 0x38),
.platform_data = &edt_ft5x06_pdata,
.irq = MXS_GPIO_IRQ_START + MXS_GPIO_NR(2, 5),
},
};
I hope this helps.
Simon
- --
Simon Budig kernel concepts GmbH
simon.budig@xxxxxxxxxxxxxxxxx Sieghuetter Hauptweg 48
+49-271-771091-17 D-57072 Siegen
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