Lines Matching +full:led +full:- +full:7 +full:seg

1 // SPDX-License-Identifier: GPL-2.0
3  * Driver for a 7-segment LED display
5  * The decimal point LED present on some devices is currently not
22 #include "line-display.h"
33 	struct linedisp *linedisp = &priv->linedisp;  in seg_led_update()
34 	struct linedisp_map *map = linedisp->map;  in seg_led_update()
37 	bitmap_set_value8(values, map_to_seg7(&map->map.seg7, linedisp->buf[0]), 0);  in seg_led_update()
39 	gpiod_set_array_value_cansleep(priv->segment_gpios->ndescs, priv->segment_gpios->desc,  in seg_led_update()
40 				       priv->segment_gpios->info, values);  in seg_led_update()
47 	INIT_DELAYED_WORK(&priv->work, seg_led_update);  in seg_led_linedisp_get_map_type()
55 	schedule_delayed_work(&priv->work, 0);  in seg_led_linedisp_update()
66 	struct device *dev = &pdev->dev;  in seg_led_probe()
70 		return -ENOMEM;  in seg_led_probe()
74 	priv->segment_gpios = devm_gpiod_get_array(dev, "segment", GPIOD_OUT_LOW);  in seg_led_probe()
75 	if (IS_ERR(priv->segment_gpios))  in seg_led_probe()
76 		return PTR_ERR(priv->segment_gpios);  in seg_led_probe()
78 	if (priv->segment_gpios->ndescs < 7 || priv->segment_gpios->ndescs > 8)  in seg_led_probe()
79 		return -EINVAL;  in seg_led_probe()
81 	return linedisp_register(&priv->linedisp, dev, 1, &seg_led_linedisp_ops);  in seg_led_probe()
88 	cancel_delayed_work_sync(&priv->work);  in seg_led_remove()
89 	linedisp_unregister(&priv->linedisp);  in seg_led_remove()
93 	{ .compatible = "gpio-7-segment"},
102 		.name = "seg-led-gpio",
109 MODULE_DESCRIPTION("7 segment LED driver");