diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-07 19:48:47 +0000 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-02-27 17:34:44 +0100 |
| commit | 53803aead010a314f76a8a6fa132fdcc5edf55ed (patch) | |
| tree | 50f1cb6702a27d150e034828ccd1e696b2da79ab | |
| parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) | |
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>
| -rw-r--r-- | include/sound/jack.h | 3 | ||||
| -rw-r--r-- | sound/core/jack.c | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/include/sound/jack.h b/include/sound/jack.h index 63c790742db4..58916573db58 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 26edf63b265f..471e1e3b0a99 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]); |