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Commit b7eccc46 authored by Christian Gmeiner's avatar Christian Gmeiner Committed by Mauro Carvalho Chehab
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[media] adv7175: support s_power 



This patch adds s_power support to adv7175 driver. Power-down is done
by power-down all four DACs.

Signed-off-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cb26a24e

drivers/media/video/adv7175.c

+11 −0
Original line number Diff line number Diff line
@@ -303,11 +303,22 @@ static int adv7175_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ide 
	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0);

}



static int adv7175_s_power(struct v4l2_subdev *sd, int on)

{

	if (on)

		adv7175_write(sd, 0x01, 0x00);

	else

		adv7175_write(sd, 0x01, 0x78);



	return 0;

}



/* ----------------------------------------------------------------------- */



static const struct v4l2_subdev_core_ops adv7175_core_ops = {

	.g_chip_ident = adv7175_g_chip_ident,

	.init = adv7175_init,

	.s_power = adv7175_s_power,

};



static const struct v4l2_subdev_video_ops adv7175_video_ops = {