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path: root/drivers/input/input-leds.c
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Diffstat (limited to 'drivers/input/input-leds.c')
-rw-r--r--drivers/input/input-leds.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c
index 074a65ed17bb..766bf2660116 100644
--- a/drivers/input/input-leds.c
+++ b/drivers/input/input-leds.c
@@ -71,6 +71,18 @@ static void input_leds_event(struct input_handle *handle, unsigned int type,
71{ 71{
72} 72}
73 73
74static int input_leds_get_count(struct input_dev *dev)
75{
76 unsigned int led_code;
77 int count = 0;
78
79 for_each_set_bit(led_code, dev->ledbit, LED_CNT)
80 if (input_led_info[led_code].name)
81 count++;
82
83 return count;
84}
85
74static int input_leds_connect(struct input_handler *handler, 86static int input_leds_connect(struct input_handler *handler,
75 struct input_dev *dev, 87 struct input_dev *dev,
76 const struct input_device_id *id) 88 const struct input_device_id *id)
@@ -81,7 +93,7 @@ static int input_leds_connect(struct input_handler *handler,
81 int led_no; 93 int led_no;
82 int error; 94 int error;
83 95
84 num_leds = bitmap_weight(dev->ledbit, LED_CNT); 96 num_leds = input_leds_get_count(dev);
85 if (!num_leds) 97 if (!num_leds)
86 return -ENXIO; 98 return -ENXIO;
87 99
@@ -112,7 +124,7 @@ static int input_leds_connect(struct input_handler *handler,
112 led->handle = &leds->handle; 124 led->handle = &leds->handle;
113 led->code = led_code; 125 led->code = led_code;
114 126
115 if (WARN_ON(!input_led_info[led_code].name)) 127 if (!input_led_info[led_code].name)
116 continue; 128 continue;
117 129
118 led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s", 130 led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s",