Commit a61f6811 authored by Shuah Khan's avatar Shuah Khan Committed by Mauro Carvalho Chehab
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[media] em28xx-video: implement em28xx_ops: suspend/resume hooks 



Implement em28xx_ops: suspend/resume hooks. em28xx usb driver will
invoke em28xx_ops: suspend and resume hooks for all its extensions
from its suspend() and resume() interfaces.

Signed-off-by: default avatarShuah Khan <shuah.kh@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 5025076a

drivers/media/usb/em28xx/em28xx-video.c

+28 −0
Original line number Diff line number Diff line
@@ -1933,6 +1933,32 @@ static int em28xx_v4l2_fini(struct em28xx *dev) 
	return 0;

}



static int em28xx_v4l2_suspend(struct em28xx *dev)

{

	if (dev->is_audio_only)

		return 0;



	if (!dev->has_video)

		return 0;



	em28xx_info("Suspending video extension");

	em28xx_stop_urbs(dev);

	return 0;

}



static int em28xx_v4l2_resume(struct em28xx *dev)

{

	if (dev->is_audio_only)

		return 0;



	if (!dev->has_video)

		return 0;



	em28xx_info("Resuming video extension");

	/* what do we do here */

	return 0;

}



/*

 * em28xx_v4l2_close()

 * stops streaming and deallocates all resources allocated by the v4l2
@@ -2505,6 +2531,8 @@ static struct em28xx_ops v4l2_ops = { 
	.name = "Em28xx v4l2 Extension",

	.init = em28xx_v4l2_init,

	.fini = em28xx_v4l2_fini,

	.suspend = em28xx_v4l2_suspend,

	.resume = em28xx_v4l2_resume,

};



static int __init em28xx_video_register(void)