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authorChristian Gmeiner <christian.gmeiner@gmail.com>2011-01-08 16:45:35 -0500
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-01-19 08:45:55 -0500
commitb7eccc46a1dae153d0102c161b4ce4bddb3f52ba (patch)
treebc502976f43ba88eed1b45994f98a5ac1e66a5ec /drivers
parentcb26a24ee9706473f31d34cc259f4dcf45cd0644 (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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/adv7175.c11
1 files changed, 11 insertions, 0 deletions
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
303 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0); 303 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0);
304} 304}
305 305
306static int adv7175_s_power(struct v4l2_subdev *sd, int on)
307{
308 if (on)
309 adv7175_write(sd, 0x01, 0x00);
310 else
311 adv7175_write(sd, 0x01, 0x78);
312
313 return 0;
314}
315
306/* ----------------------------------------------------------------------- */ 316/* ----------------------------------------------------------------------- */
307 317
308static const struct v4l2_subdev_core_ops adv7175_core_ops = { 318static const struct v4l2_subdev_core_ops adv7175_core_ops = {
309 .g_chip_ident = adv7175_g_chip_ident, 319 .g_chip_ident = adv7175_g_chip_ident,
310 .init = adv7175_init, 320 .init = adv7175_init,
321 .s_power = adv7175_s_power,
311}; 322};
312 323
313static const struct v4l2_subdev_video_ops adv7175_video_ops = { 324static const struct v4l2_subdev_video_ops adv7175_video_ops = {