ALSA: Use a define for the number of jack switch types

This is intended to facilitate the merge of the two jack detection mechanisms. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
git-mirror · Feb 27, 2012 · 53803ae · 53803ae
1 parent 62aa2b5
commit 53803ae
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git 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
@@ -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]);