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| author | Takashi Iwai <tiwai@suse.de> | 2017-02-13 09:52:44 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-02-21 22:17:45 +0100 |
| commit | 3002b9fb7cbc26e8d29927c9e20e235f38319b24 (patch) | |
| tree | c524567d696d57c5ddd2ed4edb3a2845461f80c8 /sound/x86 | |
| parent | ALSA: usb-audio: localize function without external linkage (diff) | |
| download | linux-3002b9fb7cbc26e8d29927c9e20e235f38319b24.tar.xz linux-3002b9fb7cbc26e8d29927c9e20e235f38319b24.zip | |
ALSA: x86: Use runtime PM autosuspend
This patch adds a few lines to the driver to use autosuspend for the
runtime PM. It'll become useful with the combination of the keep-link
feature.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/x86')
| -rw-r--r-- | sound/x86/intel_hdmi_audio.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 360cff35b239..d1504303adfb 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -1082,7 +1082,8 @@ static int had_pcm_open(struct snd_pcm_substream *substream) return retval; error: - pm_runtime_put(intelhaddata->dev); + pm_runtime_mark_last_busy(intelhaddata->dev); + pm_runtime_put_autosuspend(intelhaddata->dev); return retval; } @@ -1106,7 +1107,8 @@ static int had_pcm_close(struct snd_pcm_substream *substream) } spin_unlock_irq(&intelhaddata->had_spinlock); - pm_runtime_put(intelhaddata->dev); + pm_runtime_mark_last_busy(intelhaddata->dev); + pm_runtime_put_autosuspend(intelhaddata->dev); return 0; } @@ -1596,7 +1598,8 @@ static void had_audio_wq(struct work_struct *work) had_process_mode_change(ctx); } mutex_unlock(&ctx->mutex); - pm_runtime_put(ctx->dev); + pm_runtime_mark_last_busy(ctx->dev); + pm_runtime_put_autosuspend(ctx->dev); } /* @@ -1643,10 +1646,17 @@ static int __maybe_unused hdmi_lpe_audio_suspend(struct device *dev) return err; } +static int hdmi_lpe_audio_runtime_resume(struct device *dev) +{ + pm_runtime_mark_last_busy(dev); + return 0; +} + static int __maybe_unused hdmi_lpe_audio_resume(struct device *dev) { struct snd_intelhad *ctx = dev_get_drvdata(dev); + hdmi_lpe_audio_runtime_resume(dev); snd_power_change_state(ctx->card, SNDRV_CTL_POWER_D0); return 0; } @@ -1799,6 +1809,9 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) pdata->notify_pending = false; spin_unlock_irq(&pdata->lpe_audio_slock); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -1827,7 +1840,8 @@ static int hdmi_lpe_audio_remove(struct platform_device *pdev) static const struct dev_pm_ops hdmi_lpe_audio_pm = { SET_SYSTEM_SLEEP_PM_OPS(hdmi_lpe_audio_suspend, hdmi_lpe_audio_resume) - SET_RUNTIME_PM_OPS(hdmi_lpe_audio_runtime_suspend, NULL, NULL) + SET_RUNTIME_PM_OPS(hdmi_lpe_audio_runtime_suspend, + hdmi_lpe_audio_runtime_resume, NULL) }; static struct platform_driver hdmi_lpe_audio_driver = { |