On Wednesday, December 17, 2014 03:43:31 PM Hans de Goede wrote:
> + /*
> + * lradc supports only one keypress at a time, release does not give
> + * any info as to which key was released, so we cache the keycode.
> + */
> + if ((ints & CHAN0_KEYDOWN_IRQ) && lradc->chan0_keycode == 0) {
> + val = readl(lradc->base + LRADC_DATA0) & 0x3f;
> + voltage = val * lradc->vref / 63;
> +
> + for (i = 0; i < lradc->chan0_map_count; i++) {
> + diff = abs(lradc->chan0_map[i].voltage - voltage);
> + if (diff < closest) {
> + closest = diff;
> + keycode = lradc->chan0_map[i].keycode;
> + }
> + }
> +
> + lradc->chan0_keycode = keycode;
> + input_report_key(lradc->input, lradc->chan0_keycode, 1);
> + }
> +
> + if (ints & CHAN0_KEYUP_IRQ) {
> + input_report_key(lradc->input, lradc->chan0_keycode, 0);
> + lradc->chan0_keycode = 0;
> + }
Can release and press be reported simultaneously? Should we process release
first?
Thanks.
--
Dmitry
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