1 // SPDX-License-Identifier: GPL-2.0+
17 	if (!ops->set_backlight)  in video_bridge_set_backlight()
18 		return -ENOSYS;  in video_bridge_set_backlight()
20 	return ops->set_backlight(dev, percent);  in video_bridge_set_backlight()
27 	if (!ops->attach)  in video_bridge_attach()
28 		return -ENOSYS;  in video_bridge_attach()
30 	return ops->attach(dev);  in video_bridge_attach()
39 	if (!ops->check_attached) {  in video_bridge_check_attached()
40 		ret = dm_gpio_get_value(&uc_priv->hotplug);  in video_bridge_check_attached()
42 		return ret > 0 ? 0 : ret == 0 ? -ENOTCONN : ret;  in video_bridge_check_attached()
45 	return ops->check_attached(dev);  in video_bridge_check_attached()
52 	if (!ops || !ops->read_edid)  in video_bridge_read_edid()
53 		return -ENOSYS;  in video_bridge_read_edid()
54 	return ops->read_edid(dev, buf, buf_size);  in video_bridge_read_edid()
63 	ret = gpio_request_by_name(dev, "sleep-gpios", 0,  in video_bridge_pre_probe()
64 				   &uc_priv->sleep, GPIOD_IS_OUT);  in video_bridge_pre_probe()
66 		debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret);  in video_bridge_pre_probe()
67 		if (ret != -ENOENT)  in video_bridge_pre_probe()
73 	 * ret = dm_gpio_set_pull(&uc_priv->sleep, GPIO_PULL_NONE);  in video_bridge_pre_probe()
75 	 *	debug("%s: Could not set sleep pull value\n", __func__);  in video_bridge_pre_probe()
79 	ret = gpio_request_by_name(dev, "reset-gpios", 0, &uc_priv->reset,  in video_bridge_pre_probe()
82 		debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret);  in video_bridge_pre_probe()
83 		if (ret != -ENOENT)  in video_bridge_pre_probe()
89 	 * ret = dm_gpio_set_pull(&uc_priv->reset, GPIO_PULL_NONE);  in video_bridge_pre_probe()
95 	ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug,  in video_bridge_pre_probe()
99 		if (ret != -ENOENT)  in video_bridge_pre_probe()
112 	if (uc_priv->sleep.dev) {  in video_bridge_set_active()
113 		ret = dm_gpio_set_value(&uc_priv->sleep, !active);  in video_bridge_set_active()
121 	if (uc_priv->reset.dev) {  in video_bridge_set_active()
122 		ret = dm_gpio_set_value(&uc_priv->reset, true);  in video_bridge_set_active()
126 		ret = dm_gpio_set_value(&uc_priv->reset, false);  in video_bridge_set_active()