From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/leds/leds-bd2802.c | 35 +++++++++++++++++++----------------
1 files changed, 19 insertions(+), 16 deletions(-)
diff --git a/kernel/drivers/leds/leds-bd2802.c b/kernel/drivers/leds/leds-bd2802.c
index 6b4de76..8bbaef5 100644
--- a/kernel/drivers/leds/leds-bd2802.c
+++ b/kernel/drivers/leds/leds-bd2802.c
@@ -1,20 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* leds-bd2802.c - RGB LED Driver
*
* Copyright (C) 2009 Samsung Electronics
* Kim Kyuwon <q1.kim@samsung.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Datasheet: http://www.rohm.com/products/databook/driver/pdf/bd2802gu-e.pdf
- *
*/
#include <linux/module.h>
#include <linux/i2c.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include <linux/leds.h>
#include <linux/leds-bd2802.h>
@@ -71,6 +67,7 @@
struct bd2802_led {
struct bd2802_led_platform_data *pdata;
struct i2c_client *client;
+ struct gpio_desc *reset;
struct rw_semaphore rwsem;
struct led_state led[2];
@@ -204,7 +201,7 @@
return;
if (bd2802_is_all_off(led) && !led->adf_on) {
- gpio_set_value(led->pdata->reset_gpio, 0);
+ gpiod_set_value(led->reset, 1);
return;
}
@@ -230,7 +227,7 @@
static void bd2802_reset_cancel(struct bd2802_led *led)
{
- gpio_set_value(led->pdata->reset_gpio, 1);
+ gpiod_set_value(led->reset, 0);
udelay(100);
bd2802_configure(led);
}
@@ -424,7 +421,7 @@
bd2802_addr_attributes[i]);
if (bd2802_is_all_off(led))
- gpio_set_value(led->pdata->reset_gpio, 0);
+ gpiod_set_value(led->reset, 1);
led->adf_on = 0;
}
@@ -663,7 +660,6 @@
const struct i2c_device_id *id)
{
struct bd2802_led *led;
- struct bd2802_led_platform_data *pdata;
int ret, i;
led = devm_kzalloc(&client->dev, sizeof(struct bd2802_led), GFP_KERNEL);
@@ -671,11 +667,18 @@
return -ENOMEM;
led->client = client;
- pdata = led->pdata = dev_get_platdata(&client->dev);
i2c_set_clientdata(client, led);
- /* Configure RESET GPIO (L: RESET, H: RESET cancel) */
- gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, "RGB_RESETB");
+ /*
+ * Configure RESET GPIO (L: RESET, H: RESET cancel)
+ *
+ * We request the reset GPIO as OUT_LOW which means de-asserted,
+ * board files specifying this GPIO line in a machine descriptor
+ * table should take care to specify GPIO_ACTIVE_LOW for this line.
+ */
+ led->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(led->reset))
+ return PTR_ERR(led->reset);
/* Tacss = min 0.1ms */
udelay(100);
@@ -689,7 +692,7 @@
dev_info(&client->dev, "return 0x%02x\n", ret);
/* To save the power, reset BD2802 after detecting */
- gpio_set_value(led->pdata->reset_gpio, 0);
+ gpiod_set_value(led->reset, 1);
/* Default attributes */
led->wave_pattern = BD2802_PATTERN_HALF;
@@ -724,7 +727,7 @@
struct bd2802_led *led = i2c_get_clientdata(client);
int i;
- gpio_set_value(led->pdata->reset_gpio, 0);
+ gpiod_set_value(led->reset, 1);
bd2802_unregister_led_classdev(led);
if (led->adf_on)
bd2802_disable_adv_conf(led);
@@ -754,7 +757,7 @@
struct i2c_client *client = to_i2c_client(dev);
struct bd2802_led *led = i2c_get_clientdata(client);
- gpio_set_value(led->pdata->reset_gpio, 0);
+ gpiod_set_value(led->reset, 1);
return 0;
}
--
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