int gsc_ctrls_create(struct gsc_ctx *ctx)
{
if (ctx->ctrls_rdy) {
pr_err("Control handler of this context was created already");
return 0;
}
v4l2_ctrl_handler_init(&ctx->ctrl_handler, GSC_MAX_CTRL_NUM);
ctx->gsc_ctrls.rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&gsc_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0);
ctx->gsc_ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&gsc_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
ctx->gsc_ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&gsc_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
ctx->gsc_ctrls.global_alpha = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&gsc_ctrl_ops, V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 0);
ctx->ctrls_rdy = ctx->ctrl_handler.error == 0;
if (ctx->ctrl_handler.error) {
int err = ctx->ctrl_handler.error;
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
pr_err("Failed to create G-Scaler control handlers");
return err;
}
return 0;
}
static int adv748x_afe_init_controls(struct adv748x_afe *afe)
{
struct adv748x_state *state = adv748x_afe_to_state(afe);
v4l2_ctrl_handler_init(&afe->ctrl_hdl, 5);
/* Use our mutex for the controls */
afe->ctrl_hdl.lock = &state->mutex;
v4l2_ctrl_new_std(&afe->ctrl_hdl, &adv748x_afe_ctrl_ops,
V4L2_CID_BRIGHTNESS, ADV748X_SDP_BRI_MIN,
ADV748X_SDP_BRI_MAX, 1, ADV748X_SDP_BRI_DEF);
v4l2_ctrl_new_std(&afe->ctrl_hdl, &adv748x_afe_ctrl_ops,
V4L2_CID_CONTRAST, ADV748X_SDP_CON_MIN,
ADV748X_SDP_CON_MAX, 1, ADV748X_SDP_CON_DEF);
v4l2_ctrl_new_std(&afe->ctrl_hdl, &adv748x_afe_ctrl_ops,
V4L2_CID_SATURATION, ADV748X_SDP_SAT_MIN,
ADV748X_SDP_SAT_MAX, 1, ADV748X_SDP_SAT_DEF);
v4l2_ctrl_new_std(&afe->ctrl_hdl, &adv748x_afe_ctrl_ops,
V4L2_CID_HUE, ADV748X_SDP_HUE_MIN,
ADV748X_SDP_HUE_MAX, 1, ADV748X_SDP_HUE_DEF);
v4l2_ctrl_new_std_menu_items(&afe->ctrl_hdl, &adv748x_afe_ctrl_ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(afe_ctrl_frp_menu) - 1,
0, 0, afe_ctrl_frp_menu);
afe->sd.ctrl_handler = &afe->ctrl_hdl;
if (afe->ctrl_hdl.error) {
v4l2_ctrl_handler_free(&afe->ctrl_hdl);
return afe->ctrl_hdl.error;
}
return v4l2_ctrl_handler_setup(&afe->ctrl_hdl);
}
static int fimc_lite_create_capture_subdev(struct fimc_lite *fimc)
{
struct v4l2_ctrl_handler *handler = &fimc->ctrl_handler;
struct v4l2_subdev *sd = &fimc->subdev;
int ret;
v4l2_subdev_init(sd, &fimc_lite_subdev_ops);
sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
snprintf(sd->name, sizeof(sd->name), "FIMC-LITE.%d", fimc->index);
fimc->subdev_pads[FIMC_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
fimc->subdev_pads[FIMC_SD_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_init(&sd->entity, FIMC_SD_PADS_NUM,
fimc->subdev_pads, 0);
if (ret)
return ret;
v4l2_ctrl_handler_init(handler, 1);
fimc->test_pattern = v4l2_ctrl_new_custom(handler, &fimc_lite_ctrl,
NULL);
if (handler->error) {
media_entity_cleanup(&sd->entity);
return handler->error;
}
sd->ctrl_handler = handler;
sd->internal_ops = &fimc_lite_subdev_internal_ops;
sd->entity.ops = &fimc_lite_subdev_media_ops;
v4l2_set_subdevdata(sd, fimc);
return 0;
}
static int init_fim_controls(struct imx_media_fim *fim)
{
struct v4l2_ctrl_handler *hdlr = &fim->ctrl_handler;
int i, ret;
v4l2_ctrl_handler_init(hdlr, FIM_NUM_CONTROLS + FIM_NUM_ICAP_CONTROLS);
for (i = 0; i < FIM_NUM_CONTROLS; i++)
fim->ctrl[i] = v4l2_ctrl_new_custom(hdlr,
&fim_ctrl[i],
NULL);
for (i = 0; i < FIM_NUM_ICAP_CONTROLS; i++)
fim->icap_ctrl[i] = v4l2_ctrl_new_custom(hdlr,
&fim_icap_ctrl[i],
NULL);
if (hdlr->error) {
ret = hdlr->error;
goto err_free;
}
v4l2_ctrl_cluster(FIM_NUM_CONTROLS, fim->ctrl);
v4l2_ctrl_cluster(FIM_NUM_ICAP_CONTROLS, fim->icap_ctrl);
return 0;
err_free:
v4l2_ctrl_handler_free(hdlr);
return ret;
}
static int adv7180_init_controls(struct adv7180_state *state)
{
v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
V4L2_CID_CONTRAST, ADV7180_CON_MIN,
ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
V4L2_CID_SATURATION, ADV7180_SAT_MIN,
ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
V4L2_CID_HUE, ADV7180_HUE_MIN,
ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
state->sd.ctrl_handler = &state->ctrl_hdl;
if (state->ctrl_hdl.error) {
int err = state->ctrl_hdl.error;
v4l2_ctrl_handler_free(&state->ctrl_hdl);
return err;
}
v4l2_ctrl_handler_setup(&state->ctrl_hdl);
return 0;
}
static int vdic_init_controls(struct vdic_priv *priv)
{
struct v4l2_ctrl_handler *hdlr = &priv->ctrl_hdlr;
int ret;
v4l2_ctrl_handler_init(hdlr, 1);
v4l2_ctrl_new_std_menu_items(hdlr, &vdic_ctrl_ops,
V4L2_CID_DEINTERLACING_MODE,
HIGH_MOTION, 0, HIGH_MOTION,
vdic_ctrl_motion_menu);
priv->sd.ctrl_handler = hdlr;
if (hdlr->error) {
ret = hdlr->error;
goto out_free;
}
v4l2_ctrl_handler_setup(hdlr);
return 0;
out_free:
v4l2_ctrl_handler_free(hdlr);
return ret;
}
int ov7660_init_controls(struct sd *sd)
{
struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
sd->gspca_dev.vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 6);
v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
0, 1, 1, 1);
v4l2_ctrl_new_std_menu(hdl, &ov7660_ctrl_ops,
V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_AUTO);
sd->autogain = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
sd->gain = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_GAIN, 0,
255, 1, OV7660_DEFAULT_GAIN);
sd->hflip = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_HFLIP,
0, 1, 1, 0);
sd->vflip = v4l2_ctrl_new_std(hdl, &ov7660_ctrl_ops, V4L2_CID_VFLIP,
0, 1, 1, 0);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false);
v4l2_ctrl_cluster(2, &sd->hflip);
return 0;
}
int ivtv_gpio_init(struct ivtv *itv)
{
u16 pin = 0;
if (itv->card->xceive_pin)
pin = 1 << itv->card->xceive_pin;
if ((itv->card->gpio_init.direction | pin) == 0)
return 0;
IVTV_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n",
read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT));
/* init output data then direction */
write_reg(itv->card->gpio_init.initial_value | pin, IVTV_REG_GPIO_OUT);
write_reg(itv->card->gpio_init.direction | pin, IVTV_REG_GPIO_DIR);
v4l2_subdev_init(&itv->sd_gpio, &subdev_ops);
snprintf(itv->sd_gpio.name, sizeof(itv->sd_gpio.name), "%s-gpio", itv->v4l2_dev.name);
itv->sd_gpio.grp_id = IVTV_HW_GPIO;
v4l2_ctrl_handler_init(&itv->hdl_gpio, 1);
v4l2_ctrl_new_std(&itv->hdl_gpio, &gpio_ctrl_ops,
V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
if (itv->hdl_gpio.error)
return itv->hdl_gpio.error;
itv->sd_gpio.ctrl_handler = &itv->hdl_gpio;
v4l2_ctrl_handler_setup(&itv->hdl_gpio);
return v4l2_device_register_subdev(&itv->v4l2_dev, &itv->sd_gpio);
}
static int g2d_setup_ctrls(struct g2d_ctx *ctx)
{
struct g2d_dev *dev = ctx->dev;
v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3);
ctx->ctrl_hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
ctx->ctrl_vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std_menu(
&ctx->ctrl_handler,
&g2d_ctrl_ops,
V4L2_CID_COLORFX,
V4L2_COLORFX_NEGATIVE,
~((1 << V4L2_COLORFX_NONE) | (1 << V4L2_COLORFX_NEGATIVE)),
V4L2_COLORFX_NONE);
if (ctx->ctrl_handler.error) {
int err = ctx->ctrl_handler.error;
v4l2_err(&dev->v4l2_dev, "g2d_setup_ctrls failed\n");
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
return err;
}
v4l2_ctrl_cluster(2, &ctx->ctrl_hflip);
return 0;
}
int s5k83a_init_controls(struct sd *sd)
{
struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
sd->gspca_dev.vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 6);
v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_BRIGHTNESS,
0, 255, 1, S5K83A_DEFAULT_BRIGHTNESS);
v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_EXPOSURE,
0, S5K83A_MAXIMUM_EXPOSURE, 1,
S5K83A_DEFAULT_EXPOSURE);
v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_GAIN,
0, 255, 1, S5K83A_DEFAULT_GAIN);
sd->hflip = v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_HFLIP,
0, 1, 1, 0);
sd->vflip = v4l2_ctrl_new_std(hdl, &s5k83a_ctrl_ops, V4L2_CID_VFLIP,
0, 1, 1, 0);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
v4l2_ctrl_cluster(2, &sd->hflip);
return 0;
}
static int imx7_csi_link_setup(struct media_entity *entity,
const struct media_pad *local,
const struct media_pad *remote, u32 flags)
{
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
struct imx7_csi *csi = v4l2_get_subdevdata(sd);
struct v4l2_subdev *remote_sd;
int ret = 0;
dev_dbg(csi->dev, "link setup %s -> %s\n", remote->entity->name,
local->entity->name);
mutex_lock(&csi->lock);
if (local->flags & MEDIA_PAD_FL_SINK) {
if (!is_media_entity_v4l2_subdev(remote->entity)) {
ret = -EINVAL;
goto unlock;
}
remote_sd = media_entity_to_v4l2_subdev(remote->entity);
if (flags & MEDIA_LNK_FL_ENABLED) {
if (csi->src_sd) {
ret = -EBUSY;
goto unlock;
}
csi->src_sd = remote_sd;
} else {
csi->src_sd = NULL;
}
goto init;
}
/* source pad */
if (flags & MEDIA_LNK_FL_ENABLED) {
if (csi->sink) {
ret = -EBUSY;
goto unlock;
}
csi->sink = remote->entity;
} else {
v4l2_ctrl_handler_free(&csi->ctrl_hdlr);
v4l2_ctrl_handler_init(&csi->ctrl_hdlr, 0);
csi->sink = NULL;
}
init:
if (csi->sink || csi->src_sd)
ret = imx7_csi_init(csi);
else
imx7_csi_deinit(csi);
unlock:
mutex_unlock(&csi->lock);
return ret;
}
static int lm3560_init_controls(struct lm3560_flash *flash,
enum lm3560_led_id led_no)
{
struct v4l2_ctrl *fault;
u32 max_flash_brt = flash->pdata->max_flash_brt[led_no];
u32 max_torch_brt = flash->pdata->max_torch_brt[led_no];
struct v4l2_ctrl_handler *hdl = &flash->ctrls_led[led_no];
const struct v4l2_ctrl_ops *ops = &lm3560_led_ctrl_ops[led_no];
v4l2_ctrl_handler_init(hdl, 8);
/* flash mode */
v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_LED_MODE,
V4L2_FLASH_LED_MODE_TORCH, ~0x7,
V4L2_FLASH_LED_MODE_NONE);
flash->led_mode = V4L2_FLASH_LED_MODE_NONE;
/* flash source */
v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_STROBE_SOURCE,
0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
/* flash strobe */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
/* flash strobe stop */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
/* flash strobe timeout */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TIMEOUT,
LM3560_FLASH_TOUT_MIN,
flash->pdata->max_flash_timeout,
LM3560_FLASH_TOUT_STEP,
flash->pdata->max_flash_timeout);
/* flash brt */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_INTENSITY,
LM3560_FLASH_BRT_MIN, max_flash_brt,
LM3560_FLASH_BRT_STEP, max_flash_brt);
/* torch brt */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TORCH_INTENSITY,
LM3560_TORCH_BRT_MIN, max_torch_brt,
LM3560_TORCH_BRT_STEP, max_torch_brt);
/* fault */
fault = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_FAULT, 0,
V4L2_FLASH_FAULT_OVER_VOLTAGE
| V4L2_FLASH_FAULT_OVER_TEMPERATURE
| V4L2_FLASH_FAULT_SHORT_CIRCUIT
| V4L2_FLASH_FAULT_TIMEOUT, 0, 0);
if (fault != NULL)
fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
if (hdl->error)
return hdl->error;
flash->subdev_led[led_no].ctrl_handler = hdl;
return 0;
}
/*
* i2c_driver function
*/
static int aksensor_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct aksensor_priv *priv;
struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
int i, ret;
SENDBG("entry %s\n", __func__);
if (!icl || !icl->priv) {
dev_err(&client->dev, "AKSENSOR: missing platform data!\n");
return -EINVAL;
}
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&adapter->dev,
"I2C-Adapter doesn't support "
"I2C_FUNC_SMBUS_BYTE_DATA\n");
return -EIO;
}
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
return -ENOMEM;
}
priv->info = icl->priv;
v4l2_i2c_subdev_init(&priv->subdev, client, &aksensor_subdev_ops);
ret = aksensor_video_probe(client);
if (ret) {
kfree(priv);
return ret;
}
v4l2_ctrl_handler_init(&priv->hdl, cur_sensor_info->nr_ctrls);
for (i = 0; i < cur_sensor_info->nr_ctrls; i++)
v4l2_ctrl_new_custom(&priv->hdl, &cur_sensor_info->ctrls[i], NULL);
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error) {
int err = priv->hdl.error;
v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
return err;
}
// init sensor resolution, default VGA
for (i = 0; i < cur_sensor_info->num_resolution; i++)
if (!strcmp(cur_sensor_info->resolution[i].name, "VGA")) {
priv->win.width = cur_sensor_info->resolution[i].width;
priv->win.height = cur_sensor_info->resolution[i].height;
}
sensor_dbg("%s: priv->win.width=%d priv->win.height=%d\n",
__func__, priv->win.width, priv->win.height);
return ret;
}
/*
* m5mols_init_controls - initialization using v4l2_ctrl.
*/
static int m5mols_init_controls(struct m5mols_info *info)
{
struct v4l2_subdev *sd = &info->sd;
struct i2c_client *client = v4l2_get_subdevdata(sd);
u16 max_ex_mon;
int ret;
/* check minimum & maximum of M5MOLS controls */
ret = i2c_r16_ae(sd, CAT3_MAX_GAIN_MON, (u32 *)&max_ex_mon);
if (ret)
return ret;
/* set the controls using v4l2 control frameworks */
v4l2_ctrl_handler_init(&info->handle, 9);
info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_COLORFX,
9, 1, V4L2_COLORFX_NONE);
info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
1, 0, V4L2_EXPOSURE_AUTO);
info->exposure = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
0, max_ex_mon, 1, (int)max_ex_mon/2);
info->autofocus = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_FOCUS_AUTO,
0, 1, 1, 0);
info->autowb = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
0, 1, 1, 1);
info->saturation = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_SATURATION,
0, 6, 1, 3);
info->zoom = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_ZOOM_ABSOLUTE,
0, 70, 1, 0);
info->jpeg_size = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[0],
NULL);
info->encoded_size = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[1],
NULL);
sd->ctrl_handler = &info->handle;
if (info->handle.error) {
dev_err(&client->dev, "Failed to init controls, %d\n", ret);
v4l2_ctrl_handler_free(&info->handle);
return info->handle.error;
}
v4l2_ctrl_cluster(2, &info->autoexposure);
/* If above ctrl value is not good image, so it is better that not set */
v4l2_ctrl_handler_setup(&info->handle);
return 0;
}
static int adp1653_init_controls(struct adp1653_flash *flash)
{
struct v4l2_ctrl *fault;
v4l2_ctrl_handler_init(&flash->ctrls, 9);
flash->led_mode =
v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_LED_MODE,
V4L2_FLASH_LED_MODE_TORCH, ~0x7, 0);
v4l2_ctrl_new_std_menu(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_STROBE_SOURCE,
V4L2_FLASH_STROBE_SOURCE_SOFTWARE, ~0x1, 0);
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
flash->flash_timeout =
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_TIMEOUT, TIMEOUT_MIN,
flash->platform_data->max_flash_timeout,
TIMEOUT_STEP,
flash->platform_data->max_flash_timeout);
flash->flash_intensity =
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_INTENSITY,
ADP1653_FLASH_INTENSITY_MIN,
flash->platform_data->max_flash_intensity,
1, flash->platform_data->max_flash_intensity);
flash->torch_intensity =
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_TORCH_INTENSITY,
ADP1653_TORCH_INTENSITY_MIN,
flash->platform_data->max_torch_intensity,
ADP1653_FLASH_INTENSITY_STEP,
flash->platform_data->max_torch_intensity);
flash->indicator_intensity =
v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_INDICATOR_INTENSITY,
ADP1653_INDICATOR_INTENSITY_MIN,
flash->platform_data->max_indicator_intensity,
ADP1653_INDICATOR_INTENSITY_STEP,
ADP1653_INDICATOR_INTENSITY_MIN);
fault = v4l2_ctrl_new_std(&flash->ctrls, &adp1653_ctrl_ops,
V4L2_CID_FLASH_FAULT, 0,
V4L2_FLASH_FAULT_OVER_VOLTAGE
| V4L2_FLASH_FAULT_OVER_TEMPERATURE
| V4L2_FLASH_FAULT_SHORT_CIRCUIT, 0, 0);
if (flash->ctrls.error)
return flash->ctrls.error;
fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
flash->subdev.ctrl_handler = &flash->ctrls;
return 0;
}
struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)
{
struct v4l2_subdev *subdev;
struct vsp1_rwpf *rpf;
int ret;
rpf = devm_kzalloc(vsp1->dev, sizeof(*rpf), GFP_KERNEL);
if (rpf == NULL)
return ERR_PTR(-ENOMEM);
rpf->ops = &rpf_vdev_ops;
rpf->max_width = RPF_MAX_WIDTH;
rpf->max_height = RPF_MAX_HEIGHT;
rpf->entity.type = VSP1_ENTITY_RPF;
rpf->entity.index = index;
ret = vsp1_entity_init(vsp1, &rpf->entity, 2);
if (ret < 0)
return ERR_PTR(ret);
/* Initialize the V4L2 subdev. */
subdev = &rpf->entity.subdev;
v4l2_subdev_init(subdev, &rpf_ops);
subdev->entity.ops = &vsp1->media_ops;
subdev->internal_ops = &vsp1_subdev_internal_ops;
snprintf(subdev->name, sizeof(subdev->name), "%s rpf.%u",
dev_name(vsp1->dev), index);
v4l2_set_subdevdata(subdev, rpf);
subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
vsp1_entity_init_formats(subdev, NULL);
/* Initialize the control handler. */
v4l2_ctrl_handler_init(&rpf->ctrls, 1);
rpf->alpha = v4l2_ctrl_new_std(&rpf->ctrls, &rpf_ctrl_ops,
V4L2_CID_ALPHA_COMPONENT,
0, 255, 1, 255);
rpf->entity.subdev.ctrl_handler = &rpf->ctrls;
if (rpf->ctrls.error) {
dev_err(vsp1->dev, "rpf%u: failed to initialize controls\n",
index);
ret = rpf->ctrls.error;
goto error;
}
return rpf;
error:
vsp1_entity_destroy(&rpf->entity);
return ERR_PTR(ret);
}
static int lm3646_init_controls(struct lm3646_flash *flash)
{
struct v4l2_ctrl *fault;
struct v4l2_ctrl_handler *hdl = &flash->ctrls_led;
const struct v4l2_ctrl_ops *ops = &lm3646_led_ctrl_ops;
v4l2_ctrl_handler_init(hdl, 8);
/* flash mode */
v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_LED_MODE,
V4L2_FLASH_LED_MODE_TORCH, ~0x7,
V4L2_FLASH_LED_MODE_NONE);
/* flash source */
v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_STROBE_SOURCE,
0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
/* flash strobe */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
/* flash strobe stop */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
/* flash strobe timeout */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TIMEOUT,
LM3646_FLASH_TOUT_MIN,
LM3646_FLASH_TOUT_MAX,
LM3646_FLASH_TOUT_STEP, flash->pdata->flash_timeout);
/* max flash current */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_INTENSITY,
LM3646_TOTAL_FLASH_BRT_MIN,
LM3646_TOTAL_FLASH_BRT_MAX,
LM3646_TOTAL_FLASH_BRT_STEP,
LM3646_TOTAL_FLASH_BRT_MAX);
/* max torch current */
v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TORCH_INTENSITY,
LM3646_TOTAL_TORCH_BRT_MIN,
LM3646_TOTAL_TORCH_BRT_MAX,
LM3646_TOTAL_TORCH_BRT_STEP,
LM3646_TOTAL_TORCH_BRT_MAX);
/* fault */
fault = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_FAULT, 0,
V4L2_FLASH_FAULT_OVER_VOLTAGE
| V4L2_FLASH_FAULT_OVER_TEMPERATURE
| V4L2_FLASH_FAULT_SHORT_CIRCUIT
| V4L2_FLASH_FAULT_TIMEOUT, 0, 0);
if (fault != NULL)
fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
if (hdl->error)
return hdl->error;
flash->subdev_led.ctrl_handler = hdl;
return 0;
}
/*
* sensor_init_controls - initialization using v4l2_ctrl.
*/
static int sensor_init_controls(struct sensor_info *info)
{
struct v4l2_subdev *sd = &info->sd;
int num_of_ctl_hint = ARRAY_SIZE(ctrl_private);
/* set the controls using v4l2 control frameworks */
v4l2_ctrl_handler_init(&info->handle, num_of_ctl_hint);
/* Vision mode only support simple AE */
info->ae_target = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[0], NULL);
info->ae_weight[0] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[1], NULL);
info->ae_weight[1] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[2], NULL);
info->ae_weight[2] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[3], NULL);
info->ae_weight[3] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[4], NULL);
info->ae_weight[4] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[5], NULL);
info->ae_weight[5] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[6], NULL);
info->ae_weight[6] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[7], NULL);
info->ae_weight[7] = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[8], NULL);
info->rg_weight = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[9], NULL);
info->ae_speed = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[10], NULL);
info->shutter = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[11], NULL);
info->gain = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[12], NULL);
info->bit_converting = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[13], NULL);
info->autoexposure = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[14], NULL);
info->framerate = v4l2_ctrl_new_custom(&info->handle,
&ctrl_private[15], NULL);
sd->ctrl_handler = &info->handle;
if (info->handle.error) {
sensor_err("Failed to init controls, %d\n", info->handle.error);
v4l2_ctrl_handler_free(&info->handle);
return info->handle.error;
}
return 0;
}
static int ad5823_init_controls(struct ad5823 *vcm)
{
struct v4l2_ctrl *ctrl;
v4l2_ctrl_handler_init(&vcm->ctrls, 1);
/* V4L2_CID_FOCUS_ABSOLUTE */
ctrl = v4l2_ctrl_new_std(&vcm->ctrls, &ad5823_ctrl_ops,
V4L2_CID_FOCUS_ABSOLUTE, 0, (1<<16)-1, 1, 0x8000);
if (ctrl != NULL)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
vcm->subdev.ctrl_handler = &vcm->ctrls;
return vcm->ctrls.error;
}
/*
* ispcsi2_init_entities - Initialize subdev and media entity.
* @csi2: Pointer to ispcsi2 structure.
* return -ENOMEM or zero on success
*/
static int isp_csi2_init_entities(struct isp_csi2_device *csi2)
{
struct v4l2_subdev *sd = &csi2->subdev;
struct media_pad *pads = csi2->pads;
struct media_entity *me = &sd->entity;
int ret;
v4l2_subdev_init(sd, &csi2_ops);
strlcpy(sd->name, "OMAP3 ISP CSI2a", sizeof(sd->name));
sd->grp_id = 1 << 16; /* group ID for isp subdevs */
v4l2_set_subdevdata(sd, csi2);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
v4l2_ctrl_handler_init(&csi2->ctrls, 1);
sd->ctrl_handler = &csi2->ctrls;
pads[CSI2_PAD_SOURCE].flags = MEDIA_PAD_FLAG_OUTPUT;
pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FLAG_INPUT;
me->ops = &csi2_media_ops;
ret = media_entity_init(me, CSI2_PADS_NUM, pads, 0);
if (ret < 0)
return ret;
csi2_init_formats(sd, NULL);
/* Video device node */
csi2->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
csi2->video_out.ops = &csi2_ispvideo_ops;
csi2->video_out.bpl_alignment = 32;
csi2->video_out.bpl_zero_padding = 1;
csi2->video_out.bpl_max = 0x1ffe0;
csi2->video_out.isp = csi2->isp;
csi2->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3;
ret = isp_video_init(&csi2->video_out, "CSI2a");
if (ret < 0)
return ret;
/* Connect the CSI2 subdev to the video node. */
ret = media_entity_create_link(&csi2->subdev.entity, CSI2_PAD_SOURCE,
&csi2->video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
return 0;
}
struct vsp1_brx *vsp1_brx_create(struct vsp1_device *vsp1,
enum vsp1_entity_type type)
{
struct vsp1_brx *brx;
unsigned int num_pads;
const char *name;
int ret;
brx = devm_kzalloc(vsp1->dev, sizeof(*brx), GFP_KERNEL);
if (brx == NULL)
return ERR_PTR(-ENOMEM);
brx->base = type == VSP1_ENTITY_BRU ? VI6_BRU_BASE : VI6_BRS_BASE;
brx->entity.ops = &brx_entity_ops;
brx->entity.type = type;
if (type == VSP1_ENTITY_BRU) {
num_pads = vsp1->info->num_bru_inputs + 1;
name = "bru";
} else {
num_pads = 3;
name = "brs";
}
ret = vsp1_entity_init(vsp1, &brx->entity, name, num_pads, &brx_ops,
MEDIA_ENT_F_PROC_VIDEO_COMPOSER);
if (ret < 0)
return ERR_PTR(ret);
/* Initialize the control handler. */
v4l2_ctrl_handler_init(&brx->ctrls, 1);
v4l2_ctrl_new_std(&brx->ctrls, &brx_ctrl_ops, V4L2_CID_BG_COLOR,
0, 0xffffff, 1, 0);
brx->bgcolor = 0;
brx->entity.subdev.ctrl_handler = &brx->ctrls;
if (brx->ctrls.error) {
dev_err(vsp1->dev, "%s: failed to initialize controls\n", name);
ret = brx->ctrls.error;
vsp1_entity_destroy(&brx->entity);
return ERR_PTR(ret);
}
return brx;
}
struct vsp1_bru *vsp1_bru_create(struct vsp1_device *vsp1)
{
struct v4l2_subdev *subdev;
struct vsp1_bru *bru;
int ret;
bru = devm_kzalloc(vsp1->dev, sizeof(*bru), GFP_KERNEL);
if (bru == NULL)
return ERR_PTR(-ENOMEM);
bru->entity.type = VSP1_ENTITY_BRU;
ret = vsp1_entity_init(vsp1, &bru->entity,
vsp1->info->num_bru_inputs + 1);
if (ret < 0)
return ERR_PTR(ret);
/* Initialize the V4L2 subdev. */
subdev = &bru->entity.subdev;
v4l2_subdev_init(subdev, &bru_ops);
subdev->entity.ops = &vsp1->media_ops;
subdev->internal_ops = &vsp1_subdev_internal_ops;
snprintf(subdev->name, sizeof(subdev->name), "%s bru",
dev_name(vsp1->dev));
v4l2_set_subdevdata(subdev, bru);
subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
vsp1_entity_init_formats(subdev, NULL);
/* Initialize the control handler. */
v4l2_ctrl_handler_init(&bru->ctrls, 1);
v4l2_ctrl_new_std(&bru->ctrls, &bru_ctrl_ops, V4L2_CID_BG_COLOR,
0, 0xffffff, 1, 0);
bru->entity.subdev.ctrl_handler = &bru->ctrls;
if (bru->ctrls.error) {
dev_err(vsp1->dev, "bru: failed to initialize controls\n");
ret = bru->ctrls.error;
vsp1_entity_destroy(&bru->entity);
return ERR_PTR(ret);
}
return bru;
}
static int m5mols_init_controls(struct m5mols_info *info)
{
struct v4l2_subdev *sd = &info->sd;
u16 max_exposure;
u16 step_zoom;
int ret;
/* Determine value's range & step of controls for various FW version */
ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &max_exposure);
if (!ret)
step_zoom = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
if (ret)
return ret;
v4l2_ctrl_handler_init(&info->handle, 6);
info->autowb = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
0, 1, 1, 0);
info->saturation = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_SATURATION,
1, 5, 1, 3);
info->zoom = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_ZOOM_ABSOLUTE,
1, 70, step_zoom, 1);
info->exposure = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
0, max_exposure, 1, (int)max_exposure/2);
info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_COLORFX,
4, (1 << V4L2_COLORFX_BW), V4L2_COLORFX_NONE);
info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
1, 0, V4L2_EXPOSURE_MANUAL);
sd->ctrl_handler = &info->handle;
if (info->handle.error) {
v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
v4l2_ctrl_handler_free(&info->handle);
return info->handle.error;
}
v4l2_ctrl_cluster(2, &info->autoexposure);
return 0;
}
static int msm_gesture_init_ctrl(struct v4l2_subdev *sd,
struct msm_gesture_ctrl *p_gesture_ctrl)
{
int rc = 0;
p_gesture_ctrl->num_ctrls = 1;
p_gesture_ctrl->ctrl_handler.error = 0;
v4l2_ctrl_handler_init(&p_gesture_ctrl->ctrl_handler,
p_gesture_ctrl->num_ctrls);
v4l2_ctrl_new_custom(&p_gesture_ctrl->ctrl_handler,
&msm_gesture_ctrl_filter, p_gesture_ctrl);
if (p_gesture_ctrl->ctrl_handler.error) {
int err = p_gesture_ctrl->ctrl_handler.error;
D("%s: error adding control %d", __func__, err);
p_gesture_ctrl->ctrl_handler.error = 0;
}
sd->ctrl_handler = &p_gesture_ctrl->ctrl_handler;
return rc;
}
static int rockchip_vpu_ctrls_setup(struct rockchip_vpu_dev *vpu,
struct rockchip_vpu_ctx *ctx)
{
v4l2_ctrl_handler_init(&ctx->ctrl_handler, 1);
if (vpu->variant->codec & RK_VPU_CODEC_JPEG) {
v4l2_ctrl_new_std(&ctx->ctrl_handler, &rockchip_vpu_ctrl_ops,
V4L2_CID_JPEG_COMPRESSION_QUALITY,
5, 100, 1, 50);
if (ctx->ctrl_handler.error) {
vpu_err("Adding JPEG control failed %d\n",
ctx->ctrl_handler.error);
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
return ctx->ctrl_handler.error;
}
}
return v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
}
static int register_v4l2_device(void)
{
int ret;
struct fmdev *fmdev = NULL;
struct video_device *radio = video_device_alloc();
if (!radio)
{
TROUT_PRINT("Could not allocate video_device");
return -EINVAL;
}
strlcpy(radio->name, DRIVER_NAME, sizeof(radio->name));
radio->fops = &trout_fops;
radio->release = video_device_release;
radio->ioctl_ops = &trout_ioctl_ops;
if (video_register_device(radio, VFL_TYPE_RADIO, -1))
{
TROUT_PRINT("Could not register video_device");
video_device_release(radio);
return -EINVAL;
}
s_radio = radio;
fmdev = (struct fmdev *)kzalloc(sizeof(struct fmdev), GFP_KERNEL);
if (!fmdev)
{
TROUT_PRINT("Could not allocate fmdev");
return -EINVAL;
}
video_set_drvdata(radio, fmdev);
radio->ctrl_handler = &fmdev->ctrl_handler;
ret = v4l2_ctrl_handler_init(&fmdev->ctrl_handler, 1);
if (ret < 0)
{
TROUT_PRINT("Failed to int v4l2_ctrl_handler");
v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
return -EINVAL;
}
v4l2_ctrl_new_std(&fmdev->ctrl_handler, &trout_ctrl_ops,
V4L2_CID_PRIVATE_FM_AUDIO, 0, 1, 1, 0);
TROUT_PRINT("Registered Trout FM Receiver.");
return 0;
}
/*
* i2c_driver function
*/
static int ov9640_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct ov9640_priv *priv;
struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
int ret;
if (!icl) {
dev_err(&client->dev, "Missing platform_data for driver\n");
return -EINVAL;
}
priv = kzalloc(sizeof(struct ov9640_priv), GFP_KERNEL);
if (!priv) {
dev_err(&client->dev,
"Failed to allocate memory for private data!\n");
return -ENOMEM;
}
v4l2_i2c_subdev_init(&priv->subdev, client, &ov9640_subdev_ops);
v4l2_ctrl_handler_init(&priv->hdl, 2);
v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error) {
int err = priv->hdl.error;
kfree(priv);
return err;
}
ret = ov9640_video_probe(client);
if (ret) {
v4l2_ctrl_handler_free(&priv->hdl);
kfree(priv);
}
return ret;
}
int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
{
const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1, 4000000, 1, 4000000);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
0, 2, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
0, 1, 1, 1);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
0, 51, 1, 51);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
0, 1, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
0, 0, 0, 0);
v4l2_ctrl_new_std_menu(handler, ops,
V4L2_CID_MPEG_VIDEO_HEADER_MODE,
V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
if (handler->error) {
mtk_v4l2_err("Init control handler fail %d",
handler->error);
return handler->error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
/*
* i2c_driver function
*/
static int ov9640_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct ov9640_priv *priv;
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
int ret;
if (!ssdd) {
dev_err(&client->dev, "Missing platform_data for driver\n");
return -EINVAL;
}
priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
v4l2_i2c_subdev_init(&priv->subdev, client, &ov9640_subdev_ops);
v4l2_ctrl_handler_init(&priv->hdl, 2);
v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &ov9640_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error)
return priv->hdl.error;
priv->clk = v4l2_clk_get(&client->dev, "mclk");
if (IS_ERR(priv->clk)) {
ret = PTR_ERR(priv->clk);
goto eclkget;
}
ret = ov9640_video_probe(client);
if (ret) {
v4l2_clk_put(priv->clk);
eclkget:
v4l2_ctrl_handler_free(&priv->hdl);
}
return ret;
}
static int bdisp_ctrls_create(struct bdisp_ctx *ctx)
{
if (ctx->ctrls_rdy)
return 0;
v4l2_ctrl_handler_init(&ctx->ctrl_handler, BDISP_MAX_CTRL_NUM);
ctx->bdisp_ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&bdisp_c_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
ctx->bdisp_ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
&bdisp_c_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
if (ctx->ctrl_handler.error) {
int err = ctx->ctrl_handler.error;
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
return err;
}
ctx->ctrls_rdy = true;
return 0;
}
