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gpio-button-hotplug: use gpio_button_get_value() to initialize last_state.

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TL-WR720N-v3 has a slider switch composed of 2 GPIO buttons which can be
used to swtich between 3 positions.  At leat 1 button is in pressed state
in any of those positions.  Initialize 'last_state' as 0 (released) will
cause the device to automatically enter failsafe mode on every bootup.

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

SVN-Revision: 37643
This commit is contained in:
John Crispin 2013-08-01 14:31:28 +00:00
parent ef96422920
commit 1eabf431df
1 changed files with 1 additions and 1 deletions
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2
package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c
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@ -509,7 +509,7 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
} }
bdata->can_sleep = gpio_cansleep(gpio); bdata->can_sleep = gpio_cansleep(gpio);
bdata->last_state = 0; bdata->last_state = gpio_button_get_value(button, bdata);
bdata->threshold = DIV_ROUND_UP(button->debounce_interval, bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
pdata->poll_interval); pdata->poll_interval);
} }