input: gpio_input: don't print debounce message unless flag is set

Change-Id: I29ccb32e795c5c3e4c51c3d3a209f5b55dfd7d94 Signed-off-by: Dima Zavin <dima@android.com>
renaudallard · Nov 16, 2011 · 607ff42 · 607ff42
1 parent 6af5a02
commit 607ff42
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/drivers/input/misc/gpio_input.c b/drivers/input/misc/gpio_input.c
@@ -80,10 +80,11 @@ static enum hrtimer_restart gpio_event_input_timer_func(struct hrtimer *timer)
 		if (key_state->debounce & DEBOUNCE_UNSTABLE) {
 			debounce = key_state->debounce = DEBOUNCE_UNKNOWN;
 			enable_irq(gpio_to_irq(key_entry->gpio));
-			pr_info("gpio_keys_scan_keys: key %x-%x, %d "
-				"(%d) continue debounce\n",
-				ds->info->type, key_entry->code,
-				i, key_entry->gpio);
+			if (gpio_flags & GPIOEDF_PRINT_KEY_UNSTABLE)
+				pr_info("gpio_keys_scan_keys: key %x-%x, %d "
+					"(%d) continue debounce\n",
+					ds->info->type, key_entry->code,
+					i, key_entry->gpio);
 		}
 		npolarity = !(gpio_flags & GPIOEDF_ACTIVE_HIGH);
 		pressed = gpio_get_value(key_entry->gpio) ^ npolarity;

diff --git a/include/linux/gpio_event.h b/include/linux/gpio_event.h
@@ -98,6 +98,7 @@ enum gpio_event_direct_flags {
 /*	GPIOEDF_USE_IRQ             = (1U << 2) | GPIOIDF_USE_DOWN_IRQ, */
 	GPIOEDF_PRINT_KEYS          = 1U << 8,
 	GPIOEDF_PRINT_KEY_DEBOUNCE  = 1U << 9,
+	GPIOEDF_PRINT_KEY_UNSTABLE  = 1U << 10,
 };
 
 struct gpio_event_direct_entry {