[PATCH 6/6] ASoC: fsl_easrc: enable memory to memory function
From: Shengjiu Wang <hidden>
Date: 2023-06-29 02:19:05
Also in:
alsa-devel, linux-media, lkml
Subsystem:
freescale soc sound drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Shengjiu Wang, Xiubo Li, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
Intergrate memory to memory feature to EASRC driver. call m2m probe(), remove(), suspend() and resume() in different callback. Signed-off-by: Shengjiu Wang <redacted> --- sound/soc/fsl/fsl_easrc.c | 41 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-)
diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index b735b24badc2..bc5404627032 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c@@ -29,6 +29,7 @@ #include <sound/core.h> #include "fsl_easrc.h" +#include "fsl_asrc_m2m.h" #include "imx-pcm.h" #define FSL_EASRC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
@@ -2190,11 +2191,21 @@ static int fsl_easrc_probe(struct platform_device *pdev) return ret; } + /* probe the m2m feature */ + ret = fsl_asrc_m2m_probe(easrc); + if (ret) { + dev_err(&pdev->dev, "failed to init m2m device %d\n", ret); + return ret; + } + return 0; } static void fsl_easrc_remove(struct platform_device *pdev) { + /* remove the m2m feature */ + fsl_asrc_m2m_remove(pdev); + pm_runtime_disable(&pdev->dev); }
@@ -2295,12 +2306,38 @@ static __maybe_unused int fsl_easrc_runtime_resume(struct device *dev) return ret; } +static int __maybe_unused fsl_easrc_suspend(struct device *dev) +{ + struct fsl_asrc *easrc = dev_get_drvdata(dev); + int ret; + + /* suspend m2m function first */ + fsl_asrc_m2m_suspend(easrc); + + ret = pm_runtime_force_suspend(dev); + + return ret; +} + +static int __maybe_unused fsl_easrc_resume(struct device *dev) +{ + struct fsl_asrc *easrc = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + + /* resume m2m function */ + fsl_asrc_m2m_resume(easrc); + + return ret; +} + static const struct dev_pm_ops fsl_easrc_pm_ops = { SET_RUNTIME_PM_OPS(fsl_easrc_runtime_suspend, fsl_easrc_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) + SET_SYSTEM_SLEEP_PM_OPS(fsl_easrc_suspend, + fsl_easrc_resume) }; static struct platform_driver fsl_easrc_driver = {
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2.34.1