diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/greybus/audio_codec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index ba3bd36..9ed35c4 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -7,6 +7,7 @@ */ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/pm_runtime.h> #include <sound/soc.h> #include <sound/pcm_params.h> #include <uapi/linux/input.h> @@ -388,6 +389,8 @@ static int gbcodec_startup(struct snd_pcm_substream *substream, codec->stream[substream->stream].state = state; codec->stream[substream->stream].dai_name = dai->name; mutex_unlock(&codec->lock); + /* to prevent suspend in case of active audio */ + pm_stay_awake(dai->dev); return ret; } @@ -470,6 +473,7 @@ static void gbcodec_shutdown(struct snd_pcm_substream *substream, codec->stream[substream->stream].state = state; codec->stream[substream->stream].dai_name = NULL; mutex_unlock(&codec->lock); + pm_relax(dai->dev); return; } @@ -1094,7 +1098,7 @@ static int gbcodec_probe(struct snd_soc_codec *codec) snd_soc_codec_set_drvdata(codec, info); gbcodec = info; - /* Empty function for now */ + device_init_wakeup(codec->dev, 1); return 0; } |
