diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2016-05-13 16:45:18 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-30 16:14:36 +0100 |
| commit | 2230c49f09b552454eac51b81e9e4e41060b5e70 (patch) | |
| tree | 3bc1af20fcf6cb5b3fc8c98f28cce333a6dc6dc5 /sound/soc/codecs/arizona.h | |
| parent | 1a695a905c18548062509178b98bc91e67510864 (diff) | |
ASoC: arizona: Add a notifier chain for CODEC events
Add a notifier chain that can be used from the machine driver to catch
events generated by the CODEC.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/arizona.h')
| -rw-r--r-- | sound/soc/codecs/arizona.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h index ce0531b8c632..245d13c157a5 100644 --- a/sound/soc/codecs/arizona.h +++ b/sound/soc/codecs/arizona.h @@ -306,6 +306,7 @@ extern int arizona_set_fll(struct arizona_fll *fll, int source, extern int arizona_init_spk(struct snd_soc_codec *codec); extern int arizona_init_gpio(struct snd_soc_codec *codec); extern int arizona_init_mono(struct snd_soc_codec *codec); +extern int arizona_init_notifiers(struct snd_soc_codec *codec); extern int arizona_free_spk(struct snd_soc_codec *codec); @@ -317,4 +318,13 @@ int arizona_set_output_mode(struct snd_soc_codec *codec, int output, extern bool arizona_input_analog(struct snd_soc_codec *codec, int shift); extern const char *arizona_sample_rate_val_to_name(unsigned int rate_val); + +extern int arizona_register_notifier(struct snd_soc_codec *codec, + struct notifier_block *nb, + int (*notify)(struct notifier_block *nb, + unsigned long action, + void *data)); +extern int arizona_unregister_notifier(struct snd_soc_codec *codec, + struct notifier_block *nb); + #endif |