Add pm ops for renoir platform.
Signed-off-by: Syed Saba Kareem Syed.SabaKareem@amd.com --- sound/soc/amd/acp/acp-renoir.c | 38 +++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c index a591482a0726..8539fbacdf4c 100644 --- a/sound/soc/amd/acp/acp-renoir.c +++ b/sound/soc/amd/acp/acp-renoir.c @@ -20,6 +20,7 @@ #include <sound/soc.h> #include <sound/soc-dai.h> #include <linux/dma-mapping.h> +#include <linux/pm_runtime.h>
#include "amd.h" #include "acp-mach.h" @@ -195,7 +196,11 @@ static int renoir_audio_probe(struct platform_device *pdev) dev_set_drvdata(dev, adata); acp_enable_interrupts(adata); acp_platform_register(dev); - + pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); return 0; }
@@ -208,11 +213,42 @@ static void renoir_audio_remove(struct platform_device *pdev) acp_platform_unregister(dev); }
+static int __maybe_unused rn_pcm_resume(struct device *dev) +{ + struct acp_dev_data *adata = dev_get_drvdata(dev); + struct acp_stream *stream; + struct snd_pcm_substream *substream; + snd_pcm_uframes_t buf_in_frames; + u64 buf_size; + + spin_lock(&adata->acp_lock); + list_for_each_entry(stream, &adata->stream_list, list) { + substream = stream->substream; + if (substream && substream->runtime) { + buf_in_frames = (substream->runtime->buffer_size); + buf_size = frames_to_bytes(substream->runtime, buf_in_frames); + config_pte_for_stream(adata, stream); + config_acp_dma(adata, stream, buf_size); + if (stream->dai_id) + restore_acp_i2s_params(substream, adata, stream); + else + restore_acp_pdm_params(substream, adata); + } + } + spin_unlock(&adata->acp_lock); + return 0; +} + +static const struct dev_pm_ops rn_dma_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume) +}; + static struct platform_driver renoir_driver = { .probe = renoir_audio_probe, .remove_new = renoir_audio_remove, .driver = { .name = "acp_asoc_renoir", + .pm = &rn_dma_pm_ops, }, };