Commit c121ba1f authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (8050): Add register get/set debug ioctls to saa7134 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 11417daa

drivers/media/video/saa7134/saa7134-video.c

+30 −0
Original line number Diff line number Diff line
@@ -2208,6 +2208,32 @@ static int saa7134_g_parm(struct file *file, void *fh, 
	return 0;

}



#ifdef CONFIG_VIDEO_ADV_DEBUG

static int vidioc_g_register (struct file *file, void *priv,

			      struct v4l2_register *reg)

{

	struct saa7134_fh *fh = priv;

	struct saa7134_dev *dev = fh->dev;



	if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))

		return -EINVAL;

	reg->val = saa_readb(reg->reg);

	return 0;

}



static int vidioc_s_register (struct file *file, void *priv,

				struct v4l2_register *reg)

{

	struct saa7134_fh *fh = priv;

	struct saa7134_dev *dev = fh->dev;



	if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))

		return -EINVAL;

	saa_writeb(reg->reg&0xffffff, reg->val);

	return 0;

}

#endif



static int radio_querycap(struct file *file, void *priv,

					struct v4l2_capability *cap)

{
@@ -2391,6 +2417,10 @@ struct video_device saa7134_video_template = 
	.vidioc_g_parm			= saa7134_g_parm,

	.vidioc_g_frequency		= saa7134_g_frequency,

	.vidioc_s_frequency		= saa7134_s_frequency,

#ifdef CONFIG_VIDEO_ADV_DEBUG

	.vidioc_g_register              = vidioc_g_register,

	.vidioc_s_register              = vidioc_s_register,

#endif

	.tvnorms			= SAA7134_NORMS,

	.current_norm			= V4L2_STD_PAL,

};