1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <linux/soc/ti/omap1-io.h>
17 #include <linux/soc/ti/omap1-mux.h>
39 static void omapbl_enable(struct omap_backlight *bl, bool enable)  in omapbl_enable()  argument
42 		omapbl_send_intensity(bl->current_intensity);  in omapbl_enable()
54 	struct omap_backlight *bl = bl_get_data(bl_dev);  in omapbl_suspend()  local
56 	omapbl_enable(bl, false);  in omapbl_suspend()
63 	struct omap_backlight *bl = bl_get_data(bl_dev);  in omapbl_resume()  local
65 	omapbl_enable(bl, bl->enabled);  in omapbl_resume()
72 	struct omap_backlight *bl = bl_get_data(dev);  in omapbl_set_enabled()  local
74 	omapbl_enable(bl, enable);  in omapbl_set_enabled()
75 	bl->enabled = enable;  in omapbl_set_enabled()
80 	struct omap_backlight *bl = bl_get_data(dev);  in omapbl_update_status()  local
83 	if (bl->current_intensity != dev->props.brightness) {  in omapbl_update_status()
84 		if (bl->enabled)  in omapbl_update_status()
85 			omapbl_send_intensity(dev->props.brightness);  in omapbl_update_status()
86 		bl->current_intensity = dev->props.brightness;  in omapbl_update_status()
91 	if (enable != bl->enabled)  in omapbl_update_status()
99 	struct omap_backlight *bl = bl_get_data(dev);  in omapbl_get_intensity()  local
101 	return bl->current_intensity;  in omapbl_get_intensity()
113 	struct omap_backlight *bl;  in omapbl_probe()  local
114 	struct omap_backlight_config *pdata = dev_get_platdata(&pdev->dev);  in omapbl_probe()
117 		return -ENXIO;  in omapbl_probe()
119 	bl = devm_kzalloc(&pdev->dev, sizeof(struct omap_backlight),  in omapbl_probe()
121 	if (unlikely(!bl))  in omapbl_probe()
122 		return -ENOMEM;  in omapbl_probe()
127 	dev = devm_backlight_device_register(&pdev->dev, "omap-bl", &pdev->dev,  in omapbl_probe()
128 					bl, &omapbl_ops, &props);  in omapbl_probe()
132 	bl->enabled = false;  in omapbl_probe()
133 	bl->current_intensity = 0;  in omapbl_probe()
135 	bl->pdata = pdata;  in omapbl_probe()
136 	bl->dev = &pdev->dev;  in omapbl_probe()
142 	dev->props.brightness = pdata->default_intensity;  in omapbl_probe()
145 	dev_info(&pdev->dev, "OMAP LCD backlight initialised\n");  in omapbl_probe()
155 		.name	= "omap-bl",