コード例 #1
0
ファイル: cs5345.c プロジェクト: mecke/linux-2.6
static int cs5345_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
{
	if ((route->input & 0xf) > 6) {
		v4l2_err(sd, "Invalid input %d.\n", route->input);
		return -EINVAL;
	}
	cs5345_write(sd, 0x09, route->input & 0xf);
	cs5345_write(sd, 0x05, route->input & 0xf0);
	return 0;
}
コード例 #2
0
static int cs5345_s_routing(struct v4l2_subdev *sd,
			    u32 input, u32 output, u32 config)
{
	if ((input & 0xf) > 6) {
		v4l2_err(sd, "Invalid input %d.\n", input);
		return -EINVAL;
	}
	cs5345_write(sd, 0x09, input & 0xf);
	cs5345_write(sd, 0x05, input & 0xf0);
	return 0;
}
コード例 #3
0
static int cs5345_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
		cs5345_write(sd, 0x04, ctrl->value ? 0x80 : 0);
		return 0;
	}
	if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
		return -EINVAL;
	if (ctrl->value > 24 || ctrl->value < -24)
		return -EINVAL;
	cs5345_write(sd, 0x07, ((u8)ctrl->value) & 0x3f);
	cs5345_write(sd, 0x08, ((u8)ctrl->value) & 0x3f);
	return 0;
}
コード例 #4
0
static int cs5345_probe(struct i2c_client *client)
{
	/* Check if the adapter supports the needed features */
	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
		return -EIO;

	v4l_info(client, "chip found @ 0x%x (%s)\n",
			client->addr << 1, client->adapter->name);

	cs5345_write(client, 0x02, 0x00);
	cs5345_write(client, 0x04, 0x01);
	cs5345_write(client, 0x09, 0x01);
	return 0;
}
コード例 #5
0
static int cs5345_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	if (!v4l2_chip_match_i2c_client(client, &reg->match))
		return -EINVAL;
	if (!capable(CAP_SYS_ADMIN))
		return -EPERM;
	cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
	return 0;
}
コード例 #6
0
static int cs5345_probe(struct i2c_client *client,
			const struct i2c_device_id *id)
{
	struct v4l2_subdev *sd;

	/* Check if the adapter supports the needed features */
	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
		return -EIO;

	v4l_info(client, "chip found @ 0x%x (%s)\n",
			client->addr << 1, client->adapter->name);

	sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
	if (sd == NULL)
		return -ENOMEM;
	v4l2_i2c_subdev_init(sd, client, &cs5345_ops);

	cs5345_write(sd, 0x02, 0x00);
	cs5345_write(sd, 0x04, 0x01);
	cs5345_write(sd, 0x09, 0x01);
	return 0;
}
コード例 #7
0
static int cs5345_command(struct i2c_client *client, unsigned cmd, void *arg)
{
	struct v4l2_routing *route = arg;
	struct v4l2_control *ctrl = arg;

	switch (cmd) {
	case VIDIOC_INT_G_AUDIO_ROUTING:
		route->input = cs5345_read(client, 0x09) & 7;
		route->input |= cs5345_read(client, 0x05) & 0x70;
		route->output = 0;
		break;

	case VIDIOC_INT_S_AUDIO_ROUTING:
		if ((route->input & 0xf) > 6) {
			v4l_err(client, "Invalid input %d.\n", route->input);
			return -EINVAL;
		}
		cs5345_write(client, 0x09, route->input & 0xf);
		cs5345_write(client, 0x05, route->input & 0xf0);
		break;

	case VIDIOC_G_CTRL:
		if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
			ctrl->value = (cs5345_read(client, 0x04) & 0x08) != 0;
			break;
		}
		if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
			return -EINVAL;
		ctrl->value = cs5345_read(client, 0x07) & 0x3f;
		if (ctrl->value >= 32)
			ctrl->value = ctrl->value - 64;
		break;

	case VIDIOC_S_CTRL:
		break;
		if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
			cs5345_write(client, 0x04, ctrl->value ? 0x80 : 0);
			break;
		}
		if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
			return -EINVAL;
		if (ctrl->value > 24 || ctrl->value < -24)
			return -EINVAL;
		cs5345_write(client, 0x07, ((u8)ctrl->value) & 0x3f);
		cs5345_write(client, 0x08, ((u8)ctrl->value) & 0x3f);
		break;

#ifdef CONFIG_VIDEO_ADV_DEBUG
	case VIDIOC_DBG_G_REGISTER:
	case VIDIOC_DBG_S_REGISTER:
	{
		struct v4l2_register *reg = arg;

		if (!v4l2_chip_match_i2c_client(client,
					reg->match_type, reg->match_chip))
			return -EINVAL;
		if (!capable(CAP_SYS_ADMIN))
			return -EPERM;
		if (cmd == VIDIOC_DBG_G_REGISTER)
			reg->val = cs5345_read(client, reg->reg & 0x1f);
		else
			cs5345_write(client, reg->reg & 0x1f, reg->val & 0x1f);
		break;
	}
#endif

	case VIDIOC_G_CHIP_IDENT:
		return v4l2_chip_ident_i2c_client(client,
				arg, V4L2_IDENT_CS5345, 0);

	case VIDIOC_LOG_STATUS:
		{
			u8 v = cs5345_read(client, 0x09) & 7;
			u8 m = cs5345_read(client, 0x04);
			int vol = cs5345_read(client, 0x08) & 0x3f;

			v4l_info(client, "Input:  %d%s\n", v,
				      (m & 0x80) ? " (muted)" : "");
			if (vol >= 32)
				vol = vol - 64;
			v4l_info(client, "Volume: %d dB\n", vol);
			break;
		}

	default:
		return -EINVAL;
	}
	return 0;
}