Hi,
On 17-12-14 18:32, Dmitry Torokhov wrote:
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?
Good question, I guess if we are somehow really slow with processing the interrupt
that this may happen. So I'll do a v3 swapping the 2.
Regards,
Hans
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