leds: lm3692x: Allow to configure over voltage protection (cffd61a5) · Commits · 戴 / test

drivers/leds/leds-lm3692x.c

+30 −4

Original line number	Diff line number	Diff line
		@@ -114,6 +114,8 @@ struct lm3692x_led {
		struct regulator *regulator;
		int led_enable;
		int model_id;

		u8 boost_ctrl;
		};

		static const struct reg_default lm3692x_reg_defs[] = {
		@@ -249,10 +251,7 @@ static int lm3692x_init(struct lm3692x_led *led)
		if (ret)
		goto out;

		ret = regmap_write(led->regmap, LM3692X_BOOST_CTRL,
		LM3692X_BOOST_SW_1MHZ \|
		LM3692X_BOOST_SW_NO_SHIFT \|
		LM3692X_OCP_PROT_1_5A);
		ret = regmap_write(led->regmap, LM3692X_BOOST_CTRL, led->boost_ctrl);
		if (ret)
		goto out;

		@@ -326,6 +325,7 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
		{
		struct fwnode_handle *child = NULL;
		struct led_init_data init_data = {};
		u32 ovp;
		int ret;

		led->enable_gpio = devm_gpiod_get_optional(&led->client->dev,
		@@ -350,6 +350,32 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
		led->regulator = NULL;
		}

		led->boost_ctrl = LM3692X_BOOST_SW_1MHZ \|
		LM3692X_BOOST_SW_NO_SHIFT \|
		LM3692X_OCP_PROT_1_5A;
		ret = device_property_read_u32(&led->client->dev,
		"ti,ovp-microvolt", &ovp);
		if (ret) {
		led->boost_ctrl \|= LM3692X_OVP_29V;
		} else {
		switch (ovp) {
		case 17000000:
		break;
		case 21000000:
		led->boost_ctrl \|= LM3692X_OVP_21V;
		break;
		case 25000000:
		led->boost_ctrl \|= LM3692X_OVP_25V;
		break;
		case 29000000:
		led->boost_ctrl \|= LM3692X_OVP_29V;
		break;
		default:
		dev_err(&led->client->dev, "Invalid OVP %d\n", ovp);
		return -EINVAL;
		}
		}

		child = device_get_next_child_node(&led->client->dev, child);
		if (!child) {
		dev_err(&led->client->dev, "No LED Child node\n");