From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/video/backlight/l4f00242t03.c | 50 +++++++++++++++++++-------------------------------
1 files changed, 19 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/video/backlight/l4f00242t03.c b/kernel/drivers/video/backlight/l4f00242t03.c
index e6054e2..46f97d1 100644
--- a/kernel/drivers/video/backlight/l4f00242t03.c
+++ b/kernel/drivers/video/backlight/l4f00242t03.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* l4f00242t03.c -- support for Epson L4F00242T03 LCD
*
@@ -5,10 +6,6 @@
*
* Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
* Inspired by Marek Vasut work in l4f00242t03.c
- *
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -17,13 +14,11 @@
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/module.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/lcd.h>
#include <linux/slab.h>
#include <linux/regulator/consumer.h>
-
#include <linux/spi/spi.h>
-#include <linux/spi/l4f00242t03.h>
struct l4f00242t03_priv {
struct spi_device *spi;
@@ -31,16 +26,18 @@
int lcd_state;
struct regulator *io_reg;
struct regulator *core_reg;
+ struct gpio_desc *reset;
+ struct gpio_desc *enable;
};
-static void l4f00242t03_reset(unsigned int gpio)
+static void l4f00242t03_reset(struct gpio_desc *gpiod)
{
pr_debug("l4f00242t03_reset.\n");
- gpio_set_value(gpio, 1);
+ gpiod_set_value(gpiod, 1);
mdelay(100);
- gpio_set_value(gpio, 0);
+ gpiod_set_value(gpiod, 0);
mdelay(10); /* tRES >= 100us */
- gpio_set_value(gpio, 1);
+ gpiod_set_value(gpiod, 1);
mdelay(20);
}
@@ -48,7 +45,6 @@
static void l4f00242t03_lcd_init(struct spi_device *spi)
{
- struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) };
int ret;
@@ -79,21 +75,20 @@
return;
}
- l4f00242t03_reset(pdata->reset_gpio);
+ l4f00242t03_reset(priv->reset);
- gpio_set_value(pdata->data_enable_gpio, 1);
+ gpiod_set_value(priv->enable, 1);
msleep(60);
spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));
}
static void l4f00242t03_lcd_powerdown(struct spi_device *spi)
{
- struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
dev_dbg(&spi->dev, "Powering down LCD\n");
- gpio_set_value(pdata->data_enable_gpio, 0);
+ gpiod_set_value(priv->enable, 0);
regulator_disable(priv->io_reg);
regulator_disable(priv->core_reg);
@@ -171,13 +166,6 @@
static int l4f00242t03_probe(struct spi_device *spi)
{
struct l4f00242t03_priv *priv;
- struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
- int ret;
-
- if (pdata == NULL) {
- dev_err(&spi->dev, "Uninitialized platform data.\n");
- return -EINVAL;
- }
priv = devm_kzalloc(&spi->dev, sizeof(struct l4f00242t03_priv),
GFP_KERNEL);
@@ -190,21 +178,21 @@
priv->spi = spi;
- ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio,
- GPIOF_OUT_INIT_HIGH, "lcd l4f00242t03 reset");
- if (ret) {
+ priv->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->reset)) {
dev_err(&spi->dev,
"Unable to get the lcd l4f00242t03 reset gpio.\n");
- return ret;
+ return PTR_ERR(priv->reset);
}
+ gpiod_set_consumer_name(priv->reset, "lcd l4f00242t03 reset");
- ret = devm_gpio_request_one(&spi->dev, pdata->data_enable_gpio,
- GPIOF_OUT_INIT_LOW, "lcd l4f00242t03 data enable");
- if (ret) {
+ priv->enable = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW);
+ if (IS_ERR(priv->enable)) {
dev_err(&spi->dev,
"Unable to get the lcd l4f00242t03 data en gpio.\n");
- return ret;
+ return PTR_ERR(priv->enable);
}
+ gpiod_set_consumer_name(priv->enable, "lcd l4f00242t03 data enable");
priv->io_reg = devm_regulator_get(&spi->dev, "vdd");
if (IS_ERR(priv->io_reg)) {
--
Gitblit v1.6.2