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Subject[PATCH] media: imx-jpeg: Add pm-sleep support for imx-jpeg
Date
Wait finishing jpeg job before system sleep,
otherwise the encoding/decoding can't be resumed after suspend.

Signed-off-by: Ming Qian <ming.qian@nxp.com>
---
.../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index ccc26372e178..3df51d866011 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -2356,9 +2356,33 @@ static int mxc_jpeg_runtime_suspend(struct device *dev)
}
#endif

+#ifdef CONFIG_PM_SLEEP
+static int mxc_jpeg_suspend(struct device *dev)
+{
+ struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev);
+
+ v4l2_m2m_suspend(jpeg->m2m_dev);
+ return pm_runtime_force_suspend(dev);
+}
+
+static int mxc_jpeg_resume(struct device *dev)
+{
+ struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev);
+ int ret;
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret < 0)
+ return ret;
+
+ v4l2_m2m_resume(jpeg->m2m_dev);
+ return ret;
+}
+#endif
+
static const struct dev_pm_ops mxc_jpeg_pm_ops = {
SET_RUNTIME_PM_OPS(mxc_jpeg_runtime_suspend,
mxc_jpeg_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(mxc_jpeg_suspend, mxc_jpeg_resume)
};

static int mxc_jpeg_remove(struct platform_device *pdev)
--
2.33.0
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