Messages in this thread | | | Date | Sat, 18 Dec 2021 23:18:23 +0100 | From | Andreas Kemnade <> | Subject | Re: [PATCH v2 1/4] Input: Add driver for Cypress Generation 5 touchscreen |
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Hi,
On Sun, 12 Dec 2021 21:45:48 -0800 Dmitry Torokhov <dmitry.torokhov@gmail.com> wrote:
[...] > > > This is also likely unsafe if controller is not completely shut off and > > > is capable of generating interrupts given input device is not yet > > > allocated. > > > > I have dropped the `IRQF_TRIGGER_FALLING |` > > > > I have tried to use level interrupts, but I can't get the device > > working with them. > > That is weird, does the interrupt controller support level interrupts? > I have set level interrupts via the devicetree, things seem to work on Kobo Clara HD: /proc/interrupts 203: 37402 gpio-mxc 6 Level tt21000
touchscreen@24 { compatible = "cypress,tt21000"; reg = <0x24>; pinctrl-names = "default","sleep"; pinctrl-0 = <&pinctrl_cyttsp5_gpio>; pinctrl-1 = <&pinctrl_cyttsp5_gpio_sleep>; interrupt-parent = <&gpio5>; interrupts = <6 IRQ_TYPE_LEVEL_LOW>; reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>; };
Regards, Andreas
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