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| author | Ian Armstrong <ian@iarmst.demon.co.uk> | 2008-10-20 01:58:26 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-21 20:31:41 +0400 |
| commit | 4e7ca40dbff522691b13dd9b5ed41891e6c68e1a (patch) | |
| tree | d65cbc882b414d64ca50e53289a028ff773017b5 /drivers/media | |
| parent | c6330fb86fd0fed98b7e0d5792881a77b778fefc (diff) | |
| download | linux-4e7ca40dbff522691b13dd9b5ed41891e6c68e1a.tar.xz | |
V4L/DVB (9328): ivtvfb: FB_BLANK_POWERDOWN turns off video output
When using FBIOBLANK, FB_BLANK_POWERDOWN will now switch off the video output.
Since some televisions turn themselves off after a while with no signal, this
is the closest we can get to power-saving.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-i2c.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/ivtv/ivtvfb.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c index 24700c211d52..41dbbe9621a1 100644 --- a/drivers/media/video/ivtv/ivtv-i2c.c +++ b/drivers/media/video/ivtv/ivtv-i2c.c @@ -726,6 +726,7 @@ int ivtv_saa7127(struct ivtv *itv, unsigned int cmd, void *arg) { return ivtv_call_i2c_client(itv, IVTV_SAA7127_I2C_ADDR, cmd, arg); } +EXPORT_SYMBOL(ivtv_saa7127); int ivtv_saa717x(struct ivtv *itv, unsigned int cmd, void *arg) { diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 8a4a150b12fb..921e281876f8 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -48,6 +48,7 @@ #endif #include "ivtv-driver.h" +#include "ivtv-i2c.h" #include "ivtv-udma.h" #include "ivtv-mailbox.h" @@ -894,11 +895,16 @@ static int ivtvfb_blank(int blank_mode, struct fb_info *info) switch (blank_mode) { case FB_BLANK_UNBLANK: ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1); + ivtv_saa7127(itv, VIDIOC_STREAMON, NULL); break; case FB_BLANK_NORMAL: case FB_BLANK_HSYNC_SUSPEND: case FB_BLANK_VSYNC_SUSPEND: + ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); + ivtv_saa7127(itv, VIDIOC_STREAMON, NULL); + break; case FB_BLANK_POWERDOWN: + ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL); ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); break; } |