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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: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Christian Gmeiner 2011-01-08 18:45:35 -03:00 committed by Mauro Carvalho Chehab
parent cb26a24ee9
commit b7eccc46a1
1 changed files with 11 additions and 0 deletions
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11
drivers/media/video/adv7175.c
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@ -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 = {