[PATCH 5/6] ASoC: fsl_asrc: enable memory to memory function
From: Shengjiu Wang <hidden>
Date: 2023-06-29 02:19:12
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 ASRC driver, call m2m probe(), remove(), suspend() and resume() in different callback. Signed-off-by: Shengjiu Wang <redacted> --- sound/soc/fsl/fsl_asrc.c | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-)
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 30190ccb74e7..bd5f134e3473 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c@@ -17,6 +17,7 @@ #include <sound/pcm_params.h> #include "fsl_asrc.h" +#include "fsl_asrc_m2m.h" #define IDEAL_RATIO_DECIMAL_DEPTH 26 #define DIVIDER_NUM 64
@@ -1380,6 +1381,13 @@ static int fsl_asrc_probe(struct platform_device *pdev) goto err_pm_get_sync; } + /* probe m2m feature */ + ret = fsl_asrc_m2m_probe(asrc); + if (ret) { + dev_err(&pdev->dev, "failed to init m2m device %d\n", ret); + goto err_pm_get_sync; + } + return 0; err_pm_get_sync:
@@ -1392,6 +1400,9 @@ static int fsl_asrc_probe(struct platform_device *pdev) static void fsl_asrc_remove(struct platform_device *pdev) { + /* remove m2m feature */ + fsl_asrc_m2m_remove(pdev); + pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) fsl_asrc_runtime_suspend(&pdev->dev);
@@ -1493,10 +1504,32 @@ static int fsl_asrc_runtime_suspend(struct device *dev) return 0; } +static int __maybe_unused fsl_asrc_suspend(struct device *dev) +{ + struct fsl_asrc *asrc = dev_get_drvdata(dev); + + /* suspend asrc m2m */ + fsl_asrc_m2m_suspend(asrc); + + return pm_runtime_force_suspend(dev); +} + +static int __maybe_unused fsl_asrc_resume(struct device *dev) +{ + struct fsl_asrc *asrc = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + + /* resume asrc m2m */ + fsl_asrc_m2m_resume(asrc); + + return ret; +} + static const struct dev_pm_ops fsl_asrc_pm = { SET_RUNTIME_PM_OPS(fsl_asrc_runtime_suspend, fsl_asrc_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) + SET_SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume) }; static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = {
--
2.34.1