From b7eccc46a1dae153d0102c161b4ce4bddb3f52ba Mon Sep 17 00:00:00 2001 From: Christian Gmeiner Date: Sat, 8 Jan 2011 18:45:35 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/adv7175.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index f318b51448b3..d2327dbb473f 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 = { -- 2.39.2