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-as3645a.c | 142 +++++++++++++++++++++--------------------------
1 files changed, 64 insertions(+), 78 deletions(-)
diff --git a/kernel/drivers/leds/leds-as3645a.c b/kernel/drivers/leds/leds-as3645a.c
index 8219443..80411d4 100644
--- a/kernel/drivers/leds/leds-as3645a.c
+++ b/kernel/drivers/leds/leds-as3645a.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* drivers/leds/leds-as3645a.c - AS3645A and LM3555 flash controllers driver
*
@@ -7,15 +8,6 @@
* Based on drivers/media/i2c/as3645a.c.
*
* Contact: Sakari Ailus <sakari.ailus@iki.fi>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/delay.h>
@@ -25,7 +17,7 @@
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
-#include <linux/of.h>
+#include <linux/property.h>
#include <linux/slab.h>
#include <media/v4l2-flash-led-class.h>
@@ -132,11 +124,6 @@
u32 peak;
};
-struct as3645a_names {
- char flash[32];
- char indicator[32];
-};
-
struct as3645a {
struct i2c_client *client;
@@ -148,8 +135,8 @@
struct v4l2_flash *vf;
struct v4l2_flash *vfind;
- struct device_node *flash_node;
- struct device_node *indicator_node;
+ struct fwnode_handle *flash_node;
+ struct fwnode_handle *indicator_node;
struct as3645a_config cfg;
@@ -492,25 +479,25 @@
}
static int as3645a_parse_node(struct as3645a *flash,
- struct as3645a_names *names,
- struct device_node *node)
+ struct fwnode_handle *fwnode)
{
struct as3645a_config *cfg = &flash->cfg;
- struct device_node *child;
- const char *name;
+ struct fwnode_handle *child;
int rval;
- for_each_child_of_node(node, child) {
+ fwnode_for_each_child_node(fwnode, child) {
u32 id = 0;
- of_property_read_u32(child, "reg", &id);
+ fwnode_property_read_u32(child, "reg", &id);
switch (id) {
case AS_LED_FLASH:
- flash->flash_node = of_node_get(child);
+ flash->flash_node = child;
+ fwnode_handle_get(child);
break;
case AS_LED_INDICATOR:
- flash->indicator_node = of_node_get(child);
+ flash->indicator_node = child;
+ fwnode_handle_get(child);
break;
default:
dev_warn(&flash->client->dev,
@@ -524,42 +511,35 @@
return -ENODEV;
}
- rval = of_property_read_string(flash->flash_node, "label", &name);
- if (!rval)
- strlcpy(names->flash, name, sizeof(names->flash));
- else
- snprintf(names->flash, sizeof(names->flash),
- "%s:flash", node->name);
-
- rval = of_property_read_u32(flash->flash_node, "flash-timeout-us",
- &cfg->flash_timeout_us);
+ rval = fwnode_property_read_u32(flash->flash_node, "flash-timeout-us",
+ &cfg->flash_timeout_us);
if (rval < 0) {
dev_err(&flash->client->dev,
"can't read flash-timeout-us property for flash\n");
goto out_err;
}
- rval = of_property_read_u32(flash->flash_node, "flash-max-microamp",
- &cfg->flash_max_ua);
+ rval = fwnode_property_read_u32(flash->flash_node, "flash-max-microamp",
+ &cfg->flash_max_ua);
if (rval < 0) {
dev_err(&flash->client->dev,
"can't read flash-max-microamp property for flash\n");
goto out_err;
}
- rval = of_property_read_u32(flash->flash_node, "led-max-microamp",
- &cfg->assist_max_ua);
+ rval = fwnode_property_read_u32(flash->flash_node, "led-max-microamp",
+ &cfg->assist_max_ua);
if (rval < 0) {
dev_err(&flash->client->dev,
"can't read led-max-microamp property for flash\n");
goto out_err;
}
- of_property_read_u32(flash->flash_node, "voltage-reference",
- &cfg->voltage_reference);
+ fwnode_property_read_u32(flash->flash_node, "voltage-reference",
+ &cfg->voltage_reference);
- of_property_read_u32(flash->flash_node, "ams,input-max-microamp",
- &cfg->peak);
+ fwnode_property_read_u32(flash->flash_node, "ams,input-max-microamp",
+ &cfg->peak);
cfg->peak = AS_PEAK_mA_TO_REG(cfg->peak);
if (!flash->indicator_node) {
@@ -569,15 +549,10 @@
goto out_err;
}
- rval = of_property_read_string(flash->indicator_node, "label", &name);
- if (!rval)
- strlcpy(names->indicator, name, sizeof(names->indicator));
- else
- snprintf(names->indicator, sizeof(names->indicator),
- "%s:indicator", node->name);
- rval = of_property_read_u32(flash->indicator_node, "led-max-microamp",
- &cfg->indicator_max_ua);
+ rval = fwnode_property_read_u32(flash->indicator_node,
+ "led-max-microamp",
+ &cfg->indicator_max_ua);
if (rval < 0) {
dev_err(&flash->client->dev,
"can't read led-max-microamp property for indicator\n");
@@ -587,27 +562,31 @@
return 0;
out_err:
- of_node_put(flash->flash_node);
- of_node_put(flash->indicator_node);
+ fwnode_handle_put(flash->flash_node);
+ fwnode_handle_put(flash->indicator_node);
return rval;
}
-static int as3645a_led_class_setup(struct as3645a *flash,
- struct as3645a_names *names)
+static int as3645a_led_class_setup(struct as3645a *flash)
{
struct led_classdev *fled_cdev = &flash->fled.led_cdev;
struct led_classdev *iled_cdev = &flash->iled_cdev;
+ struct led_init_data init_data = {};
struct led_flash_setting *cfg;
int rval;
- iled_cdev->name = names->indicator;
iled_cdev->brightness_set_blocking = as3645a_set_indicator_brightness;
iled_cdev->max_brightness =
flash->cfg.indicator_max_ua / AS_INDICATOR_INTENSITY_STEP;
iled_cdev->flags = LED_CORE_SUSPENDRESUME;
- rval = led_classdev_register(&flash->client->dev, iled_cdev);
+ init_data.fwnode = flash->indicator_node;
+ init_data.devicename = AS_NAME;
+ init_data.default_label = "indicator";
+
+ rval = led_classdev_register_ext(&flash->client->dev, iled_cdev,
+ &init_data);
if (rval < 0)
return rval;
@@ -625,7 +604,6 @@
flash->fled.ops = &as3645a_led_flash_ops;
- fled_cdev->name = names->flash;
fled_cdev->brightness_set_blocking = as3645a_set_assist_brightness;
/* Value 0 is off in LED class. */
fled_cdev->max_brightness =
@@ -633,14 +611,22 @@
flash->cfg.assist_max_ua) + 1;
fled_cdev->flags = LED_DEV_CAP_FLASH | LED_CORE_SUSPENDRESUME;
- rval = led_classdev_flash_register(&flash->client->dev, &flash->fled);
- if (rval) {
- led_classdev_unregister(iled_cdev);
- dev_err(&flash->client->dev,
- "led_classdev_flash_register() failed, error %d\n",
- rval);
- }
+ init_data.fwnode = flash->flash_node;
+ init_data.devicename = AS_NAME;
+ init_data.default_label = "flash";
+ rval = led_classdev_flash_register_ext(&flash->client->dev,
+ &flash->fled, &init_data);
+ if (rval)
+ goto out_err;
+
+ return rval;
+
+out_err:
+ led_classdev_unregister(iled_cdev);
+ dev_err(&flash->client->dev,
+ "led_classdev_flash_register() failed, error %d\n",
+ rval);
return rval;
}
@@ -665,18 +651,19 @@
},
};
- strlcpy(cfg.dev_name, led->name, sizeof(cfg.dev_name));
- strlcpy(cfgind.dev_name, flash->iled_cdev.name, sizeof(cfg.dev_name));
+ strlcpy(cfg.dev_name, led->dev->kobj.name, sizeof(cfg.dev_name));
+ strlcpy(cfgind.dev_name, flash->iled_cdev.dev->kobj.name,
+ sizeof(cfgind.dev_name));
flash->vf = v4l2_flash_init(
- &flash->client->dev, of_fwnode_handle(flash->flash_node),
- &flash->fled, NULL, &cfg);
+ &flash->client->dev, flash->flash_node, &flash->fled, NULL,
+ &cfg);
if (IS_ERR(flash->vf))
return PTR_ERR(flash->vf);
flash->vfind = v4l2_flash_indicator_init(
- &flash->client->dev, of_fwnode_handle(flash->indicator_node),
- &flash->iled_cdev, &cfgind);
+ &flash->client->dev, flash->indicator_node, &flash->iled_cdev,
+ &cfgind);
if (IS_ERR(flash->vfind)) {
v4l2_flash_release(flash->vf);
return PTR_ERR(flash->vfind);
@@ -687,11 +674,10 @@
static int as3645a_probe(struct i2c_client *client)
{
- struct as3645a_names names;
struct as3645a *flash;
int rval;
- if (client->dev.of_node == NULL)
+ if (!dev_fwnode(&client->dev))
return -ENODEV;
flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);
@@ -700,7 +686,7 @@
flash->client = client;
- rval = as3645a_parse_node(flash, &names, client->dev.of_node);
+ rval = as3645a_parse_node(flash, dev_fwnode(&client->dev));
if (rval < 0)
return rval;
@@ -715,7 +701,7 @@
if (rval)
goto out_mutex_destroy;
- rval = as3645a_led_class_setup(flash, &names);
+ rval = as3645a_led_class_setup(flash);
if (rval)
goto out_mutex_destroy;
@@ -732,8 +718,8 @@
mutex_destroy(&flash->mutex);
out_put_nodes:
- of_node_put(flash->flash_node);
- of_node_put(flash->indicator_node);
+ fwnode_handle_put(flash->flash_node);
+ fwnode_handle_put(flash->indicator_node);
return rval;
}
@@ -752,8 +738,8 @@
mutex_destroy(&flash->mutex);
- of_node_put(flash->flash_node);
- of_node_put(flash->indicator_node);
+ fwnode_handle_put(flash->flash_node);
+ fwnode_handle_put(flash->indicator_node);
return 0;
}
--
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