From bb65757a3df9410190308cd42af8af7bed47640d Mon Sep 17 00:00:00 2001 From: Michael Gernoth Date: Mon, 4 Jul 2011 10:26:04 +0200 Subject: [PATCH 1/1] save and restore more --- debounce.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/debounce.c b/debounce.c index 852118f..c138574 100644 --- a/debounce.c +++ b/debounce.c @@ -7,8 +7,10 @@ static int debounce_delay = 15; -static int old_delay = 0; static unsigned old_flags = 0; +ktime_t old_debounce_delay; +ktime_t old_settle_time; +ktime_t old_poll_time; static struct gpio_event_matrix_info *gpio_evmi = NULL; module_param(debounce_delay, int, S_IRUSR | S_IRGRP | S_IROTH); @@ -49,7 +51,10 @@ static int __init debounce_init(void) printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec); printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags); - old_delay = gpio_evmi->debounce_delay.tv.nsec; + old_debounce_delay = gpio_evmi->debounce_delay; + old_settle_time = gpio_evmi->settle_time; + old_poll_time = gpio_evmi->poll_time; + old_flags = gpio_evmi->flags; if (gpio_evmi->debounce_delay.tv.nsec != debounce_delay * NSEC_PER_MSEC) { printk(KERN_INFO PREFIX "Changing debounce_delay\n"); @@ -57,7 +62,9 @@ static int __init debounce_init(void) printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec); } - old_flags = gpio_evmi->flags; +#if 0 + gpio_evmi->flags &= ~GPIOKPF_REMOVE_SOME_PHANTOM_KEYS; +#endif if (gpio_evmi->debounce_delay.tv.nsec != 0) { /* GPIOKPF_DEBOUNCE should already be set by GPIOKPF_REMOVE_PHANTOM_KEYS */ @@ -78,9 +85,9 @@ static int __init debounce_init(void) static void __exit debounce_exit(void) { if (gpio_evmi) { - if (gpio_evmi->debounce_delay.tv.nsec != old_delay) { + if (gpio_evmi->debounce_delay.tv.nsec != old_debounce_delay.tv.nsec) { printk(KERN_INFO PREFIX "Restoring debounce_delay\n"); - gpio_evmi->debounce_delay.tv.nsec = old_delay; + gpio_evmi->debounce_delay = old_debounce_delay; printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec); } if (gpio_evmi->flags != old_flags) { @@ -88,6 +95,8 @@ static void __exit debounce_exit(void) gpio_evmi->flags = old_flags; printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags); } + gpio_evmi->settle_time = old_settle_time; + gpio_evmi->poll_time = old_poll_time; } } -- 2.39.5