C++ (Cpp) v4l2_chip_ident_i2c_client示例

示例#1

文件： ths7303.c 项目： romanbb/android_kernel_lge_d851

static int ths7303_g_chip_ident(struct v4l2_subdev *sd,
				struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_THS7303, 0);
}

示例#2

文件： adv7180.c 项目： romanbb/android_kernel_lge_d851

static int adv7180_g_chip_ident(struct v4l2_subdev *sd,
	struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7180, 0);
}

示例#3

文件： cs53l32a.c 项目： mecke/linux-2.6

static int cs53l32a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client,
			chip, V4L2_IDENT_CS53l32A, 0);
}

示例#4

文件： mt9v011.c 项目： 125radheyshyam/linux

static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
				struct v4l2_dbg_chip_ident *chip)
{
	u16 version;
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011,
					  version);
}

示例#5

文件： tea6415c.c 项目： ClarkChen633/rtl819x-toolchain

static int tea6415c_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TEA6415C, 0);
}

示例#6

文件： cs53l32a.c 项目： BackupTheBerlios/grasshopper-svn

static int cs53l32a_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 = (cs53l32a_read(client, 0x01) >> 4) & 3;
		route->output = 0;
		break;

	case VIDIOC_INT_S_AUDIO_ROUTING:
		/* There are 2 physical inputs, but the second input can be
		   placed in two modes, the first mode bypasses the PGA (gain),
		   the second goes through the PGA. Hence there are three
		   possible inputs to choose from. */
		if (route->input > 2) {
			v4l_err(client, "Invalid input %d.\n", route->input);
			return -EINVAL;
		}
		cs53l32a_write(client, 0x01, 0x01 + (route->input << 4));
		break;

	case VIDIOC_G_CTRL:
		if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
			ctrl->value = (cs53l32a_read(client, 0x03) & 0xc0) != 0;
			break;
		}
		if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
			return -EINVAL;
		ctrl->value = (s8)cs53l32a_read(client, 0x04);
		break;

	case VIDIOC_S_CTRL:
		if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
			cs53l32a_write(client, 0x03, ctrl->value ? 0xf0 : 0x30);
			break;
		}
		if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
			return -EINVAL;
		if (ctrl->value > 12 || ctrl->value < -96)
			return -EINVAL;
		cs53l32a_write(client, 0x04, (u8) ctrl->value);
		cs53l32a_write(client, 0x05, (u8) ctrl->value);
		break;

	case VIDIOC_G_CHIP_IDENT:
		return v4l2_chip_ident_i2c_client(client,
				arg, V4L2_IDENT_CS53l32A, 0);

	case VIDIOC_LOG_STATUS:
		{
			u8 v = cs53l32a_read(client, 0x01);
			u8 m = cs53l32a_read(client, 0x03);
			s8 vol = cs53l32a_read(client, 0x04);

			v4l_info(client, "Input:  %d%s\n", (v >> 4) & 3,
				      (m & 0xC0) ? " (muted)" : "");
			v4l_info(client, "Volume: %d dB\n", vol);
			break;
		}

	default:
		return -EINVAL;
	}
	return 0;
}

示例#7

文件： cs5345.c 项目： BackupTheBerlios/grasshopper-svn

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;
}