Lines Matching refs:led
52 /* camera privacy led */
62 struct led_classdev led;
81 static int cpcap_led_set_power(struct cpcap_led *led, bool status)
85 if (status == led->powered)
89 err = regulator_enable(led->vdd);
91 err = regulator_disable(led->vdd);
94 dev_err(led->dev, "regulator failure: %d", err);
98 led->powered = status;
105 struct cpcap_led *led = container_of(ledc, struct cpcap_led, led);
109 mutex_lock(&led->update_lock);
112 err = cpcap_led_set_power(led, true);
119 err = regmap_update_bits(led->regmap,
120 led->info->reg, led->info->mask, CPCAP_LED_NO_CURRENT);
122 dev_err(led->dev, "regmap failed: %d", err);
131 err = regmap_update_bits(led->regmap, led->info->reg, led->info->mask,
134 dev_err(led->dev, "regmap failed: %d", err);
139 err = cpcap_led_set_power(led, false);
145 mutex_unlock(&led->update_lock);
150 { .compatible = "motorola,cpcap-led-red", .data = &cpcap_led_red },
151 { .compatible = "motorola,cpcap-led-green", .data = &cpcap_led_green },
152 { .compatible = "motorola,cpcap-led-blue", .data = &cpcap_led_blue },
153 { .compatible = "motorola,cpcap-led-adl", .data = &cpcap_led_adl },
154 { .compatible = "motorola,cpcap-led-cp", .data = &cpcap_led_cp },
161 struct cpcap_led *led;
164 led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
165 if (!led)
167 platform_set_drvdata(pdev, led);
168 led->info = device_get_match_data(&pdev->dev);
169 led->dev = &pdev->dev;
171 if (led->info->reg == 0x0000) {
172 dev_err(led->dev, "Unsupported LED");
176 led->regmap = dev_get_regmap(pdev->dev.parent, NULL);
177 if (!led->regmap)
180 led->vdd = devm_regulator_get(&pdev->dev, "vdd");
181 if (IS_ERR(led->vdd)) {
182 err = PTR_ERR(led->vdd);
183 dev_err(led->dev, "Couldn't get regulator: %d", err);
187 err = device_property_read_string(&pdev->dev, "label", &led->led.name);
189 dev_err(led->dev, "Couldn't read LED label: %d", err);
193 if (led->info->init_mask) {
194 err = regmap_update_bits(led->regmap, led->info->reg,
195 led->info->init_mask, led->info->init_val);
197 dev_err(led->dev, "regmap failed: %d", err);
202 mutex_init(&led->update_lock);
204 led->led.max_brightness = led->info->limit;
205 led->led.brightness_set_blocking = cpcap_led_set;
206 err = devm_led_classdev_register(&pdev->dev, &led->led);
208 dev_err(led->dev, "Couldn't register LED: %d", err);
218 .name = "cpcap-led",