diff options
| author | Christian Gmeiner <christian.gmeiner@gmail.com> | 2011-01-08 18:45:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-01-19 11:45:55 -0200 |
| commit | b7eccc46a1dae153d0102c161b4ce4bddb3f52ba (patch) | |
| tree | bc502976f43ba88eed1b45994f98a5ac1e66a5ec | |
| parent | cb26a24ee9706473f31d34cc259f4dcf45cd0644 (diff) | |
[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>
| -rw-r--r-- | drivers/media/video/adv7175.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index f318b51448b..d2327dbb473 100644 --- a/drivers/media/video/adv7175.c +++ b/drivers/media/video/adv7175.c @@ -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 = { |