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Commit da4ae5a7 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (3280): Added VIDIOC_QUERYCTRL to saa7115 




- Added VIDIOC_QUERYCTRL to saa7115

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@brturbo.com.br>
parent d92c20e0

drivers/media/video/saa7115.c

+55 −0
Original line number Diff line number Diff line
@@ -1012,6 +1012,48 @@ static void saa7115_decode_vbi_line(struct i2c_client *client, 


/* ============ SAA7115 AUDIO settings (end) ============= */



static struct v4l2_queryctrl saa7115_qctrl[] = {

	{

		.id            = V4L2_CID_BRIGHTNESS,

		.type          = V4L2_CTRL_TYPE_INTEGER,

		.name          = "Brightness",

		.minimum       = 0,

		.maximum       = 255,

		.step          = 1,

		.default_value = 128,

		.flags         = 0,

	}, {

		.id            = V4L2_CID_CONTRAST,

		.type          = V4L2_CTRL_TYPE_INTEGER,

		.name          = "Contrast",

		.minimum       = 0,

		.maximum       = 255,

		.step          = 1,

		.default_value = 64,

		.flags         = 0,

	}, {

		.id            = V4L2_CID_SATURATION,

		.type          = V4L2_CTRL_TYPE_INTEGER,

		.name          = "Saturation",

		.minimum       = 0,

		.maximum       = 255,

		.step          = 1,

		.default_value = 64,

		.flags         = 0,

	}, {

		.id            = V4L2_CID_HUE,

		.type          = V4L2_CTRL_TYPE_INTEGER,

		.name          = "Hue",

		.minimum       = -128,

		.maximum       = 127,

		.step          = 1,

		.default_value = 0,

		.flags 	       = 0,

	},

};



/* ----------------------------------------------------------------------- */



static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)

{

	struct saa7115_state *state = i2c_get_clientdata(client);
@@ -1052,6 +1094,19 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar 
	case VIDIOC_S_CTRL:

		return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg);



	case VIDIOC_QUERYCTRL:

	{

		struct v4l2_queryctrl *qc = arg;

		int i;



		for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++)

			if (qc->id && qc->id == saa7115_qctrl[i].id) {

				memcpy(qc, &saa7115_qctrl[i], sizeof(*qc));

				return 0;

			}

		return -EINVAL;

	}



	case VIDIOC_G_STD:

		*(v4l2_std_id *)arg = saa7115_get_v4lstd(client);

		break;