125 struct ov7251 {  struct
164 static inline struct ov7251 *to_ov7251(struct v4l2_subdev *sd)  in to_ov7251()  argument
166 	return container_of(sd, struct ov7251, sd);  in to_ov7251()
684 static int ov7251_regulators_enable(struct ov7251 *ov7251)  in ov7251_regulators_enable()  argument
692 	ret = regulator_enable(ov7251->io_regulator);  in ov7251_regulators_enable()
694 		dev_err(ov7251->dev, "set io voltage failed\n");  in ov7251_regulators_enable()
698 	ret = regulator_enable(ov7251->analog_regulator);  in ov7251_regulators_enable()
700 		dev_err(ov7251->dev, "set analog voltage failed\n");  in ov7251_regulators_enable()
704 	ret = regulator_enable(ov7251->core_regulator);  in ov7251_regulators_enable()
706 		dev_err(ov7251->dev, "set core voltage failed\n");  in ov7251_regulators_enable()
713 	regulator_disable(ov7251->analog_regulator);  in ov7251_regulators_enable()
716 	regulator_disable(ov7251->io_regulator);  in ov7251_regulators_enable()
721 static void ov7251_regulators_disable(struct ov7251 *ov7251)  in ov7251_regulators_disable()  argument
725 	ret = regulator_disable(ov7251->core_regulator);  in ov7251_regulators_disable()
727 		dev_err(ov7251->dev, "core regulator disable failed\n");  in ov7251_regulators_disable()
729 	ret = regulator_disable(ov7251->analog_regulator);  in ov7251_regulators_disable()
731 		dev_err(ov7251->dev, "analog regulator disable failed\n");  in ov7251_regulators_disable()
733 	ret = regulator_disable(ov7251->io_regulator);  in ov7251_regulators_disable()
735 		dev_err(ov7251->dev, "io regulator disable failed\n");  in ov7251_regulators_disable()
738 static int ov7251_write_reg(struct ov7251 *ov7251, u16 reg, u8 val)  in ov7251_write_reg()  argument
747 	ret = i2c_master_send(ov7251->i2c_client, regbuf, 3);  in ov7251_write_reg()
749 		dev_err(ov7251->dev, "%s: write reg error %d: reg=%x, val=%x\n",  in ov7251_write_reg()
757 static int ov7251_write_seq_regs(struct ov7251 *ov7251, u16 reg, u8 *val,  in ov7251_write_seq_regs()  argument
772 	ret = i2c_master_send(ov7251->i2c_client, regbuf, nregbuf);  in ov7251_write_seq_regs()
774 		dev_err(ov7251->dev,  in ov7251_write_seq_regs()
783 static int ov7251_read_reg(struct ov7251 *ov7251, u16 reg, u8 *val)  in ov7251_read_reg()  argument
791 	ret = i2c_master_send(ov7251->i2c_client, regbuf, 2);  in ov7251_read_reg()
793 		dev_err(ov7251->dev, "%s: write reg error %d: reg=%x\n",  in ov7251_read_reg()
798 	ret = i2c_master_recv(ov7251->i2c_client, val, 1);  in ov7251_read_reg()
800 		dev_err(ov7251->dev, "%s: read reg error %d: reg=%x\n",  in ov7251_read_reg()
808 static int ov7251_pll_configure(struct ov7251 *ov7251)  in ov7251_pll_configure()  argument
813 	configs = ov7251->pll_cfgs;  in ov7251_pll_configure()
815 	ret = ov7251_write_reg(ov7251, OV7251_PLL1_PRE_DIV_REG,  in ov7251_pll_configure()
816 			       configs->pll1[ov7251->link_freq_idx]->pre_div);  in ov7251_pll_configure()
820 	ret = ov7251_write_reg(ov7251, OV7251_PLL1_MULT_REG,  in ov7251_pll_configure()
821 			       configs->pll1[ov7251->link_freq_idx]->mult);  in ov7251_pll_configure()
824 	ret = ov7251_write_reg(ov7251, OV7251_PLL1_DIVIDER_REG,  in ov7251_pll_configure()
825 			       configs->pll1[ov7251->link_freq_idx]->div);  in ov7251_pll_configure()
829 	ret = ov7251_write_reg(ov7251, OV7251_PLL1_PIX_DIV_REG,  in ov7251_pll_configure()
830 			       configs->pll1[ov7251->link_freq_idx]->pix_div);  in ov7251_pll_configure()
834 	ret = ov7251_write_reg(ov7251, OV7251_PLL1_MIPI_DIV_REG,  in ov7251_pll_configure()
835 			       configs->pll1[ov7251->link_freq_idx]->mipi_div);  in ov7251_pll_configure()
839 	ret = ov7251_write_reg(ov7251, OV7251_PLL2_PRE_DIV_REG,  in ov7251_pll_configure()
844 	ret = ov7251_write_reg(ov7251, OV7251_PLL2_MULT_REG,  in ov7251_pll_configure()
849 	ret = ov7251_write_reg(ov7251, OV7251_PLL2_DIVIDER_REG,  in ov7251_pll_configure()
854 	ret = ov7251_write_reg(ov7251, OV7251_PLL2_SYS_DIV_REG,  in ov7251_pll_configure()
859 	ret = ov7251_write_reg(ov7251, OV7251_PLL2_ADC_DIV_REG,  in ov7251_pll_configure()
865 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure)  in ov7251_set_exposure()  argument
875 	return ov7251_write_seq_regs(ov7251, reg, val, 3);  in ov7251_set_exposure()
878 static int ov7251_set_gain(struct ov7251 *ov7251, s32 gain)  in ov7251_set_gain()  argument
887 	return ov7251_write_seq_regs(ov7251, reg, val, 2);  in ov7251_set_gain()
890 static int ov7251_set_register_array(struct ov7251 *ov7251,  in ov7251_set_register_array()  argument
898 		ret = ov7251_write_reg(ov7251, settings->reg, settings->val);  in ov7251_set_register_array()
910 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_set_power_on()  local
914 	ret = ov7251_regulators_enable(ov7251);  in ov7251_set_power_on()
918 	ret = clk_prepare_enable(ov7251->xclk);  in ov7251_set_power_on()
920 		dev_err(ov7251->dev, "clk prepare enable failed\n");  in ov7251_set_power_on()
921 		ov7251_regulators_disable(ov7251);  in ov7251_set_power_on()
925 	gpiod_set_value_cansleep(ov7251->enable_gpio, 1);  in ov7251_set_power_on()
929 			       DIV_ROUND_UP(ov7251->xclk_freq, 1000));  in ov7251_set_power_on()
932 	ret = ov7251_set_register_array(ov7251,  in ov7251_set_power_on()
936 		dev_err(ov7251->dev, "error during global init\n");  in ov7251_set_power_on()
937 		gpiod_set_value_cansleep(ov7251->enable_gpio, 0);  in ov7251_set_power_on()
938 		clk_disable_unprepare(ov7251->xclk);  in ov7251_set_power_on()
939 		ov7251_regulators_disable(ov7251);  in ov7251_set_power_on()
950 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_set_power_off()  local
952 	clk_disable_unprepare(ov7251->xclk);  in ov7251_set_power_off()
953 	gpiod_set_value_cansleep(ov7251->enable_gpio, 0);  in ov7251_set_power_off()
954 	ov7251_regulators_disable(ov7251);  in ov7251_set_power_off()
959 static int ov7251_set_hflip(struct ov7251 *ov7251, s32 value)  in ov7251_set_hflip()  argument
961 	u8 val = ov7251->timing_format2;  in ov7251_set_hflip()
969 	ret = ov7251_write_reg(ov7251, OV7251_TIMING_FORMAT2, val);  in ov7251_set_hflip()
971 		ov7251->timing_format2 = val;  in ov7251_set_hflip()
976 static int ov7251_set_vflip(struct ov7251 *ov7251, s32 value)  in ov7251_set_vflip()  argument
978 	u8 val = ov7251->timing_format1;  in ov7251_set_vflip()
986 	ret = ov7251_write_reg(ov7251, OV7251_TIMING_FORMAT1, val);  in ov7251_set_vflip()
988 		ov7251->timing_format1 = val;  in ov7251_set_vflip()
993 static int ov7251_set_test_pattern(struct ov7251 *ov7251, s32 value)  in ov7251_set_test_pattern()  argument
995 	u8 val = ov7251->pre_isp_00;  in ov7251_set_test_pattern()
1003 	ret = ov7251_write_reg(ov7251, OV7251_PRE_ISP_00, val);  in ov7251_set_test_pattern()
1005 		ov7251->pre_isp_00 = val;  in ov7251_set_test_pattern()
1015 static int ov7251_vts_configure(struct ov7251 *ov7251, s32 vblank)  in ov7251_vts_configure()  argument
1019 	vts[0] = ((ov7251->current_mode->height + vblank) & 0xff00) >> 8;  in ov7251_vts_configure()
1020 	vts[1] = ((ov7251->current_mode->height + vblank) & 0x00ff);  in ov7251_vts_configure()
1022 	return ov7251_write_seq_regs(ov7251, OV7251_TIMING_VTS_REG, vts, 2);  in ov7251_vts_configure()
1027 	struct ov7251 *ov7251 = container_of(ctrl->handler,  in ov7251_s_ctrl()  local
1028 					     struct ov7251, ctrls);  in ov7251_s_ctrl()
1035 		exposure_max = ov7251->current_mode->height + ctrl->val -  in ov7251_s_ctrl()
1037 		__v4l2_ctrl_modify_range(ov7251->exposure,  in ov7251_s_ctrl()
1038 					 ov7251->exposure->minimum,  in ov7251_s_ctrl()
1040 					 ov7251->exposure->step,  in ov7251_s_ctrl()
1041 					 min(ov7251->exposure->val,  in ov7251_s_ctrl()
1047 	if (!pm_runtime_get_if_in_use(ov7251->dev))  in ov7251_s_ctrl()
1052 		ret = ov7251_set_exposure(ov7251, ctrl->val);  in ov7251_s_ctrl()
1055 		ret = ov7251_set_gain(ov7251, ctrl->val);  in ov7251_s_ctrl()
1058 		ret = ov7251_set_test_pattern(ov7251, ctrl->val);  in ov7251_s_ctrl()
1061 		ret = ov7251_set_hflip(ov7251, ctrl->val);  in ov7251_s_ctrl()
1064 		ret = ov7251_set_vflip(ov7251, ctrl->val);  in ov7251_s_ctrl()
1067 		ret = ov7251_vts_configure(ov7251, ctrl->val);  in ov7251_s_ctrl()
1074 	pm_runtime_put(ov7251->dev);  in ov7251_s_ctrl()
1135 __ov7251_get_pad_format(struct ov7251 *ov7251,  in __ov7251_get_pad_format()  argument
1144 		return &ov7251->fmt;  in __ov7251_get_pad_format()
1154 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_get_format()  local
1156 	mutex_lock(&ov7251->lock);  in ov7251_get_format()
1157 	format->format = *__ov7251_get_pad_format(ov7251, sd_state,  in ov7251_get_format()
1160 	mutex_unlock(&ov7251->lock);  in ov7251_get_format()
1166 __ov7251_get_pad_crop(struct ov7251 *ov7251,  in __ov7251_get_pad_crop()  argument
1174 		return &ov7251->crop;  in __ov7251_get_pad_crop()
1186 ov7251_find_mode_by_ival(struct ov7251 *ov7251, struct v4l2_fract *timeperframe)  in ov7251_find_mode_by_ival()  argument
1188 	const struct ov7251_mode_info *mode = ov7251->current_mode;  in ov7251_find_mode_by_ival()
1218 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_set_format()  local
1225 	mutex_lock(&ov7251->lock);  in ov7251_set_format()
1227 	__crop = __ov7251_get_pad_crop(ov7251, sd_state, format->pad,  in ov7251_set_format()
1239 		ret = __v4l2_ctrl_modify_range(ov7251->exposure,  in ov7251_set_format()
1245 		ret = __v4l2_ctrl_s_ctrl(ov7251->exposure,  in ov7251_set_format()
1250 		ret = __v4l2_ctrl_s_ctrl(ov7251->gain, 16);  in ov7251_set_format()
1256 		ret = __v4l2_ctrl_modify_range(ov7251->vblank,  in ov7251_set_format()
1262 		ov7251->current_mode = new_mode;  in ov7251_set_format()
1265 	__format = __ov7251_get_pad_format(ov7251, sd_state, format->pad,  in ov7251_set_format()
1280 	mutex_unlock(&ov7251->lock);  in ov7251_set_format()
1306 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_get_selection()  local
1311 	mutex_lock(&ov7251->lock);  in ov7251_get_selection()
1312 		sel->r = *__ov7251_get_pad_crop(ov7251, sd_state, sel->pad,  in ov7251_get_selection()
1314 		mutex_unlock(&ov7251->lock);  in ov7251_get_selection()
1337 	struct ov7251 *ov7251 = to_ov7251(subdev);  in ov7251_s_stream()  local
1340 	mutex_lock(&ov7251->lock);  in ov7251_s_stream()
1343 		ret = pm_runtime_resume_and_get(ov7251->dev);  in ov7251_s_stream()
1345 			mutex_unlock(&ov7251->lock);  in ov7251_s_stream()
1349 		ret = ov7251_pll_configure(ov7251);  in ov7251_s_stream()
1351 			dev_err(ov7251->dev, "error configuring PLLs\n");  in ov7251_s_stream()
1355 		ret = ov7251_set_register_array(ov7251,  in ov7251_s_stream()
1356 					ov7251->current_mode->data,  in ov7251_s_stream()
1357 					ov7251->current_mode->data_size);  in ov7251_s_stream()
1359 			dev_err(ov7251->dev, "could not set mode %dx%d\n",  in ov7251_s_stream()
1360 				ov7251->current_mode->width,  in ov7251_s_stream()
1361 				ov7251->current_mode->height);  in ov7251_s_stream()
1364 		ret = __v4l2_ctrl_handler_setup(&ov7251->ctrls);  in ov7251_s_stream()
1366 			dev_err(ov7251->dev, "could not sync v4l2 controls\n");  in ov7251_s_stream()
1369 		ret = ov7251_write_reg(ov7251, OV7251_SC_MODE_SELECT,  in ov7251_s_stream()
1374 		ret = ov7251_write_reg(ov7251, OV7251_SC_MODE_SELECT,  in ov7251_s_stream()
1376 		pm_runtime_put(ov7251->dev);  in ov7251_s_stream()
1379 	mutex_unlock(&ov7251->lock);  in ov7251_s_stream()
1383 	pm_runtime_put(ov7251->dev);  in ov7251_s_stream()
1384 	mutex_unlock(&ov7251->lock);  in ov7251_s_stream()
1392 	struct ov7251 *ov7251 = to_ov7251(subdev);  in ov7251_get_frame_interval()  local
1401 	mutex_lock(&ov7251->lock);  in ov7251_get_frame_interval()
1402 	fi->interval = ov7251->current_mode->timeperframe;  in ov7251_get_frame_interval()
1403 	mutex_unlock(&ov7251->lock);  in ov7251_get_frame_interval()
1412 	struct ov7251 *ov7251 = to_ov7251(subdev);  in ov7251_set_frame_interval()  local
1423 	mutex_lock(&ov7251->lock);  in ov7251_set_frame_interval()
1424 	new_mode = ov7251_find_mode_by_ival(ov7251, &fi->interval);  in ov7251_set_frame_interval()
1426 	if (new_mode != ov7251->current_mode) {  in ov7251_set_frame_interval()
1427 		ret = __v4l2_ctrl_modify_range(ov7251->exposure,  in ov7251_set_frame_interval()
1433 		ret = __v4l2_ctrl_s_ctrl(ov7251->exposure,  in ov7251_set_frame_interval()
1438 		ret = __v4l2_ctrl_s_ctrl(ov7251->gain, 16);  in ov7251_set_frame_interval()
1442 		ov7251->current_mode = new_mode;  in ov7251_set_frame_interval()
1445 	fi->interval = ov7251->current_mode->timeperframe;  in ov7251_set_frame_interval()
1448 	mutex_unlock(&ov7251->lock);  in ov7251_set_frame_interval()
1477 static int ov7251_check_hwcfg(struct ov7251 *ov7251)  in ov7251_check_hwcfg()  argument
1479 	struct fwnode_handle *fwnode = dev_fwnode(ov7251->dev);  in ov7251_check_hwcfg()
1494 		return dev_err_probe(ov7251->dev, ret,  in ov7251_check_hwcfg()
1498 		ret = dev_err_probe(ov7251->dev, -EINVAL,  in ov7251_check_hwcfg()
1513 		ret = dev_err_probe(ov7251->dev, -EINVAL,  in ov7251_check_hwcfg()
1518 	ov7251->link_freq_idx = i;  in ov7251_check_hwcfg()
1526 static int ov7251_detect_chip(struct ov7251 *ov7251)  in ov7251_detect_chip()  argument
1531 	ret = ov7251_read_reg(ov7251, OV7251_CHIP_ID_HIGH, &chip_id_high);  in ov7251_detect_chip()
1533 		return dev_err_probe(ov7251->dev, -ENODEV,  in ov7251_detect_chip()
1536 	ret = ov7251_read_reg(ov7251, OV7251_CHIP_ID_LOW, &chip_id_low);  in ov7251_detect_chip()
1538 		return dev_err_probe(ov7251->dev, -ENODEV,  in ov7251_detect_chip()
1541 	ret = ov7251_read_reg(ov7251, OV7251_SC_GP_IO_IN1, &chip_rev);  in ov7251_detect_chip()
1543 		return dev_err_probe(ov7251->dev, -ENODEV,  in ov7251_detect_chip()
1547 	dev_info(ov7251->dev,  in ov7251_detect_chip()
1554 		 ov7251->i2c_client->addr);  in ov7251_detect_chip()
1559 static int ov7251_init_ctrls(struct ov7251 *ov7251)  in ov7251_init_ctrls()  argument
1565 	v4l2_ctrl_handler_init(&ov7251->ctrls, 7);  in ov7251_init_ctrls()
1566 	ov7251->ctrls.lock = &ov7251->lock;  in ov7251_init_ctrls()
1568 	v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1570 	v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1572 	ov7251->exposure = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1574 	ov7251->gain = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1576 	v4l2_ctrl_new_std_menu_items(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1581 	pixel_rate = pixel_rates[ov7251->link_freq_idx];  in ov7251_init_ctrls()
1582 	ov7251->pixel_clock = v4l2_ctrl_new_std(&ov7251->ctrls,  in ov7251_init_ctrls()
1587 	ov7251->link_freq = v4l2_ctrl_new_int_menu(&ov7251->ctrls,  in ov7251_init_ctrls()
1591 						   ov7251->link_freq_idx,  in ov7251_init_ctrls()
1593 	if (ov7251->link_freq)  in ov7251_init_ctrls()
1594 		ov7251->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;  in ov7251_init_ctrls()
1595 	if (ov7251->pixel_clock)  in ov7251_init_ctrls()
1596 		ov7251->pixel_clock->flags |= V4L2_CTRL_FLAG_READ_ONLY;  in ov7251_init_ctrls()
1598 	hblank = OV7251_FIXED_PPL - ov7251->current_mode->width;  in ov7251_init_ctrls()
1599 	ov7251->hblank = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1602 	if (ov7251->hblank)  in ov7251_init_ctrls()
1603 		ov7251->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;  in ov7251_init_ctrls()
1605 	vblank_max = OV7251_TIMING_MAX_VTS - ov7251->current_mode->height;  in ov7251_init_ctrls()
1606 	vblank_def = ov7251->current_mode->vts - ov7251->current_mode->height;  in ov7251_init_ctrls()
1607 	ov7251->vblank = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,  in ov7251_init_ctrls()
1612 	ov7251->sd.ctrl_handler = &ov7251->ctrls;  in ov7251_init_ctrls()
1614 	if (ov7251->ctrls.error) {  in ov7251_init_ctrls()
1615 		v4l2_ctrl_handler_free(&ov7251->ctrls);  in ov7251_init_ctrls()
1616 		return ov7251->ctrls.error;  in ov7251_init_ctrls()
1625 	struct ov7251 *ov7251;  in ov7251_probe()  local
1630 	ov7251 = devm_kzalloc(dev, sizeof(struct ov7251), GFP_KERNEL);  in ov7251_probe()
1631 	if (!ov7251)  in ov7251_probe()
1634 	ov7251->i2c_client = client;  in ov7251_probe()
1635 	ov7251->dev = dev;  in ov7251_probe()
1637 	ret = ov7251_check_hwcfg(ov7251);  in ov7251_probe()
1642 	ov7251->xclk = devm_clk_get_optional(dev, NULL);  in ov7251_probe()
1643 	if (IS_ERR(ov7251->xclk))  in ov7251_probe()
1644 		return dev_err_probe(dev, PTR_ERR(ov7251->xclk),  in ov7251_probe()
1654 	if (ret && !ov7251->xclk)  in ov7251_probe()
1657 	clk_rate = clk_get_rate(ov7251->xclk);  in ov7251_probe()
1658 	ov7251->xclk_freq = clk_rate ? clk_rate : rate;  in ov7251_probe()
1660 	if (ov7251->xclk_freq == 0)  in ov7251_probe()
1663 	if (!ret && ov7251->xclk) {  in ov7251_probe()
1664 		ret = clk_set_rate(ov7251->xclk, rate);  in ov7251_probe()
1671 		if (ov7251->xclk_freq == supported_xclk_rates[i])  in ov7251_probe()
1677 				     ov7251->xclk_freq);  in ov7251_probe()
1679 	ov7251->pll_cfgs = ov7251_pll_cfgs[i];  in ov7251_probe()
1681 	ov7251->io_regulator = devm_regulator_get(dev, "vdddo");  in ov7251_probe()
1682 	if (IS_ERR(ov7251->io_regulator)) {  in ov7251_probe()
1684 		return PTR_ERR(ov7251->io_regulator);  in ov7251_probe()
1687 	ov7251->core_regulator = devm_regulator_get(dev, "vddd");  in ov7251_probe()
1688 	if (IS_ERR(ov7251->core_regulator)) {  in ov7251_probe()
1690 		return PTR_ERR(ov7251->core_regulator);  in ov7251_probe()
1693 	ov7251->analog_regulator = devm_regulator_get(dev, "vdda");  in ov7251_probe()
1694 	if (IS_ERR(ov7251->analog_regulator)) {  in ov7251_probe()
1696 		return PTR_ERR(ov7251->analog_regulator);  in ov7251_probe()
1699 	ov7251->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);  in ov7251_probe()
1700 	if (IS_ERR(ov7251->enable_gpio)) {  in ov7251_probe()
1702 		return PTR_ERR(ov7251->enable_gpio);  in ov7251_probe()
1705 	mutex_init(&ov7251->lock);  in ov7251_probe()
1707 	ov7251->current_mode = &ov7251_mode_info_data[0];  in ov7251_probe()
1708 	ret = ov7251_init_ctrls(ov7251);  in ov7251_probe()
1714 	v4l2_i2c_subdev_init(&ov7251->sd, client, &ov7251_subdev_ops);  in ov7251_probe()
1715 	ov7251->sd.internal_ops = &ov7251_internal_ops;  in ov7251_probe()
1716 	ov7251->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;  in ov7251_probe()
1717 	ov7251->pad.flags = MEDIA_PAD_FL_SOURCE;  in ov7251_probe()
1718 	ov7251->sd.dev = &client->dev;  in ov7251_probe()
1719 	ov7251->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;  in ov7251_probe()
1721 	ret = media_entity_pads_init(&ov7251->sd.entity, 1, &ov7251->pad);  in ov7251_probe()
1727 	ret = ov7251_set_power_on(ov7251->dev);  in ov7251_probe()
1731 	ret = ov7251_detect_chip(ov7251);  in ov7251_probe()
1739 	ret = ov7251_read_reg(ov7251, OV7251_PRE_ISP_00,  in ov7251_probe()
1740 			      &ov7251->pre_isp_00);  in ov7251_probe()
1747 	ret = ov7251_read_reg(ov7251, OV7251_TIMING_FORMAT1,  in ov7251_probe()
1748 			      &ov7251->timing_format1);  in ov7251_probe()
1755 	ret = ov7251_read_reg(ov7251, OV7251_TIMING_FORMAT2,  in ov7251_probe()
1756 			      &ov7251->timing_format2);  in ov7251_probe()
1767 	ret = v4l2_async_register_subdev(&ov7251->sd);  in ov7251_probe()
1773 	ov7251_init_state(&ov7251->sd, NULL);  in ov7251_probe()
1778 	pm_runtime_disable(ov7251->dev);  in ov7251_probe()
1779 	pm_runtime_put_noidle(ov7251->dev);  in ov7251_probe()
1781 	ov7251_set_power_off(ov7251->dev);  in ov7251_probe()
1783 	media_entity_cleanup(&ov7251->sd.entity);  in ov7251_probe()
1785 	v4l2_ctrl_handler_free(&ov7251->ctrls);  in ov7251_probe()
1787 	mutex_destroy(&ov7251->lock);  in ov7251_probe()
1795 	struct ov7251 *ov7251 = to_ov7251(sd);  in ov7251_remove()  local
1797 	v4l2_async_unregister_subdev(&ov7251->sd);  in ov7251_remove()
1798 	media_entity_cleanup(&ov7251->sd.entity);  in ov7251_remove()
1799 	v4l2_ctrl_handler_free(&ov7251->ctrls);  in ov7251_remove()
1800 	mutex_destroy(&ov7251->lock);  in ov7251_remove()
1802 	pm_runtime_disable(ov7251->dev);  in ov7251_remove()
1803 	if (!pm_runtime_status_suspended(ov7251->dev))  in ov7251_remove()
1804 		ov7251_set_power_off(ov7251->dev);  in ov7251_remove()
1805 	pm_runtime_set_suspended(ov7251->dev);  in ov7251_remove()