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Commit 4e7ca40d authored by Ian Armstrong's avatar Ian Armstrong Committed by Mauro Carvalho Chehab
Browse files

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: default avatarIan Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent c6330fb8

drivers/media/video/ivtv/ivtv-i2c.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

{

drivers/media/video/ivtv/ivtvfb.c

+6 −0
Original line number Diff line number Diff line
@@ -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;

	}