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gpio-button-hotplug: debounce the initial button state, the first reads at boot time might be wrong
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 37702
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158cc23d39
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@ -298,7 +298,9 @@ static void gpio_keys_polled_check_state(struct gpio_keys_button *button,
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return;
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return;
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}
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}
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if (bdata->last_state != -1)
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button_hotplug_event(bdata, type, button->code, state);
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button_hotplug_event(bdata, type, button->code, state);
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bdata->last_state = state;
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bdata->last_state = state;
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}
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}
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@ -508,7 +510,7 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
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}
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}
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bdata->can_sleep = gpio_cansleep(gpio);
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bdata->can_sleep = gpio_cansleep(gpio);
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bdata->last_state = gpio_button_get_value(button, bdata);
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bdata->last_state = -1;
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bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
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bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
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pdata->poll_interval);
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pdata->poll_interval);
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}
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}
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