Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2ea472ff authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (12242): mt9v011: implement core->s_config to allow adjusting xtal frequency 



Since frames per second is a function of cristal frequency, and this is
device-specific, add a function that allows adjusting it, via
subdev->core->s_config callback.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent c180604a

drivers/media/video/mt9v011.c

+17 −0
Original line number Original line Diff line number Diff line
@@ -340,6 +340,22 @@ static int mt9v011_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) 
	return 0;

	return 0;

}

}





static int mt9v011_s_config(struct v4l2_subdev *sd, int dumb, void *data)

{

	struct mt9v011 *core = to_mt9v011(sd);

	unsigned *xtal = data;



	v4l2_dbg(1, debug, sd, "s_config called\n");



	if (xtal) {

		core->xtal = *xtal;

		v4l2_dbg(1, debug, sd, "xtal set to %d.%03d MHz\n",

			 *xtal / 1000000, (*xtal / 1000) % 1000);

	}



	return 0;

}







#ifdef CONFIG_VIDEO_ADV_DEBUG

#ifdef CONFIG_VIDEO_ADV_DEBUG

static int mt9v011_g_register(struct v4l2_subdev *sd,

static int mt9v011_g_register(struct v4l2_subdev *sd,
@@ -388,6 +404,7 @@ static const struct v4l2_subdev_core_ops mt9v011_core_ops = { 
	.g_ctrl = mt9v011_g_ctrl,

	.g_ctrl = mt9v011_g_ctrl,

	.s_ctrl = mt9v011_s_ctrl,

	.s_ctrl = mt9v011_s_ctrl,

	.reset = mt9v011_reset,

	.reset = mt9v011_reset,

	.s_config = mt9v011_s_config,

	.g_chip_ident = mt9v011_g_chip_ident,

	.g_chip_ident = mt9v011_g_chip_ident,

#ifdef CONFIG_VIDEO_ADV_DEBUG

#ifdef CONFIG_VIDEO_ADV_DEBUG

	.g_register = mt9v011_g_register,

	.g_register = mt9v011_g_register,