diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-05 15:17:06 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-08 09:22:36 +0800 |
| commit | f1aac484f705007caf0d7c256a1a29506600cae3 (patch) | |
| tree | 5b279475aa5332bb21d75aa4c2632525f37ef017 /sound/soc/soc-dapm.c | |
| parent | beaff340e04fc3a752aa2cca70195dd506deccef (diff) | |
ASoC: Take a pm_runtime reference on DAPM devices that are enabled
As for PCMs take a runtime power management reference to devices that are
in a non-off bias, avoiding the need to do this in individual drivers.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 6bb327e431a5..e174d0811dae 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -39,6 +39,7 @@ #include <linux/platform_device.h> #include <linux/jiffies.h> #include <linux/debugfs.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> @@ -1206,6 +1207,9 @@ static void dapm_pre_sequence_async(void *data, async_cookie_t cookie) /* If we're off and we're not supposed to be go into STANDBY */ if (d->bias_level == SND_SOC_BIAS_OFF && d->target_bias_level != SND_SOC_BIAS_OFF) { + if (d->dev) + pm_runtime_get_sync(d->dev); + ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY); if (ret != 0) dev_err(d->dev, @@ -1245,6 +1249,9 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie) ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF); if (ret != 0) dev_err(d->dev, "Failed to turn off bias: %d\n", ret); + + if (d->dev) + pm_runtime_put_sync(d->dev); } /* If we just powered up then move to active bias */ |