Commit ca2b46da authored by Shuah Khan's avatar Shuah Khan Committed by Mauro Carvalho Chehab
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[media] em28xx-dvb: 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 6d746f91

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

+57 −0
Original line number Diff line number Diff line
@@ -1515,11 +1515,68 @@ static int em28xx_dvb_fini(struct em28xx *dev) 
	return 0;

}



static int em28xx_dvb_suspend(struct em28xx *dev)

{

	int ret = 0;



	if (dev->is_audio_only)

		return 0;



	if (!dev->board.has_dvb)

		return 0;



	em28xx_info("Suspending DVB extension");

	if (dev->dvb) {

		struct em28xx_dvb *dvb = dev->dvb;



		if (dvb->fe[0]) {

			ret = dvb_frontend_suspend(dvb->fe[0]);

			em28xx_info("fe0 suspend %d", ret);

		}

		if (dvb->fe[1]) {

			dvb_frontend_suspend(dvb->fe[1]);

			em28xx_info("fe1 suspend %d", ret);

		}

	}



	return 0;

}



static int em28xx_dvb_resume(struct em28xx *dev)

{

	int ret = 0;



	if (dev->is_audio_only)

		return 0;



	if (!dev->board.has_dvb)

		return 0;



	em28xx_info("Resuming DVB extension");

	if (dev->dvb) {

		struct em28xx_dvb *dvb = dev->dvb;



		if (dvb->fe[0]) {

			ret = dvb_frontend_resume(dvb->fe[0]);

			em28xx_info("fe0 resume %d", ret);

		}



		if (dvb->fe[1]) {

			ret = dvb_frontend_resume(dvb->fe[1]);

			em28xx_info("fe1 resume %d", ret);

		}

	}



	return 0;

}



static struct em28xx_ops dvb_ops = {

	.id   = EM28XX_DVB,

	.name = "Em28xx dvb Extension",

	.init = em28xx_dvb_init,

	.fini = em28xx_dvb_fini,

	.suspend = em28xx_dvb_suspend,

	.resume = em28xx_dvb_resume,

};



static int __init em28xx_dvb_register(void)