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-rw-r--r--include/sound/jack.h3
-rw-r--r--sound/core/jack.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 63c790742db..58916573db5 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -53,6 +53,9 @@ enum snd_jack_types {
SND_JACK_BTN_5 = 0x0200,
};
+/* Keep in sync with definitions above */
+#define SND_JACK_SWITCH_TYPES 6
+
struct snd_jack {
struct input_dev *input_dev;
int registered;
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 26edf63b265..471e1e3b0a9 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -25,7 +25,7 @@
#include <sound/jack.h>
#include <sound/core.h>
-static int jack_switch_types[] = {
+static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
SW_HEADPHONE_INSERT,
SW_MICROPHONE_INSERT,
SW_LINEOUT_INSERT,
@@ -128,7 +128,7 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
jack->type = type;
- for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++)
+ for (i = 0; i < SND_JACK_SWITCH_TYPES; i++)
if (type & (1 << i))
input_set_capability(jack->input_dev, EV_SW,
jack_switch_types[i]);