Unverified Commit 409776fa authored by Pi-Hsun Shih's avatar Pi-Hsun Shih Committed by Robert Foss
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drm/bridge: anx7625: add suspend / resume hooks 



Add suspend / resume hooks for anx7625 driver, that power off the device
on suspend and power on the device on resume if it was previously
powered.

Signed-off-by: default avatarPi-Hsun Shih <pihsun@chromium.org>
Reviewed-by: default avatarTzung-Bi Shih <tzungbi@google.com>
Signed-off-by: default avatarRobert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210517063553.554955-2-pihsun@chromium.org
parent 60487584

drivers/gpu/drm/bridge/analogix/anx7625.c

+32 −0
Original line number Diff line number Diff line
@@ -1705,7 +1705,39 @@ static int __maybe_unused anx7625_runtime_pm_resume(struct device *dev) 
	return 0;

}



static int __maybe_unused anx7625_resume(struct device *dev)

{

	struct anx7625_data *ctx = dev_get_drvdata(dev);



	if (!ctx->pdata.intp_irq)

		return 0;



	if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev)) {

		enable_irq(ctx->pdata.intp_irq);

		anx7625_runtime_pm_resume(dev);

	}



	return 0;

}



static int __maybe_unused anx7625_suspend(struct device *dev)

{

	struct anx7625_data *ctx = dev_get_drvdata(dev);



	if (!ctx->pdata.intp_irq)

		return 0;



	if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev)) {

		anx7625_runtime_pm_suspend(dev);

		disable_irq(ctx->pdata.intp_irq);

		flush_workqueue(ctx->workqueue);

	}



	return 0;

}



static const struct dev_pm_ops anx7625_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(anx7625_suspend, anx7625_resume)

	SET_RUNTIME_PM_OPS(anx7625_runtime_pm_suspend,

			   anx7625_runtime_pm_resume, NULL)

};