156 lines
3.5 KiB
C
156 lines
3.5 KiB
C
/* linux/arch/arm/mach-msm/board-htcleo-bkl.c
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*
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* Copyright (c) 2010 Cotulla
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* Edited to Common Structure by Markinus
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/wakelock.h>
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#include <linux/leds.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <mach/msm_fb.h>
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#include <linux/gpio.h>
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#include <mach/msm_iomap.h>
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#include <mach/atmega_microp.h>
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//#define DEBUG_LCM
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#ifdef DEBUG_LCM
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#define LCMDBG(fmt, arg...) printk(fmt, ## arg)
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#else
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#define LCMDBG(fmt, arg...) {}
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#endif
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static struct led_trigger *htcleo_lcd_backlight;
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int htcleo_brightness_onoff_bkl(int enable)
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{
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int ret;
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uint8_t data[1];
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data[0] = enable ? 1 : 0;
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ret = microp_i2c_write(MICROP_I2C_WCMD_BL_EN, data, 1);
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if (ret != 0)
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pr_err("%s: set failed\n", __func__);
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return 0;
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}
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int htcleo_brightness_set_bkl(uint8_t value)
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{
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int ret;
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uint8_t cmd[2], data[2];
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printk("microp_set_bkl(%d)\n", value);
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if (value > 9)
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{
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value = 9;
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}
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// disable autobrigtness
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// CotullaTEST: Lsensor test, add 0x100
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// data[0] = 0;
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data[0] = 1;
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data[1] = 0;
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ret = microp_i2c_write(MICROP_I2C_WCMD_AUTO_BL_CTL, data, 2); // 23
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if (ret != 0)
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pr_err("%s: set auto light sensor fail\n", __func__);
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// setvalue
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cmd[0] = value << 4;
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// printk("22LEVEL %02X\n", cmd[0]);
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ret = microp_i2c_write(MICROP_I2C_WCMD_LCM_BL_MANU_CTL, cmd, 1); // 22
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if (ret < 0)
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{
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pr_err("%s: request adc fail\n", __func__);
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return -EIO;
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}
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return 0;
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}
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void htcleo_brightness_set(struct led_classdev *led_cdev, enum led_brightness val)
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{
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led_cdev->brightness = val;
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// set brigtness level via MicroP
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LCMDBG("htcleo_brightness_set: %d\n", val);
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if (val > 255) val = 255;
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if (val < 30)
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{
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htcleo_brightness_onoff_bkl(0);
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}
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else
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{
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htcleo_brightness_onoff_bkl(1);
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htcleo_brightness_set_bkl((val - 30) / 23);
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}
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}
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static struct led_classdev htcleo_backlight_led =
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{
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.name = "lcd-backlight",
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.brightness = LED_FULL,
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.brightness_set = htcleo_brightness_set,
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};
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static int htcleo_backlight_probe(struct platform_device *pdev)
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{
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int rc;
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printk(KERN_INFO "%s: HTCLeo Backlight connect with microP: "
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"Probe\n", __func__);
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led_trigger_register_simple("lcd-backlight-gate", &htcleo_lcd_backlight);
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rc = led_classdev_register(&pdev->dev, &htcleo_backlight_led);
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if (rc)
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LCMDBG("HTCLeo Backlight: failure on register led_classdev\n");
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return 0;
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}
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static int htcleo_backlight_remove(struct platform_device *pdev)
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{
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return 0;
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}
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static struct platform_driver htcleo_backlight_driver = {
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.probe = htcleo_backlight_probe,
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.remove = htcleo_backlight_remove,
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.driver = {
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.name = "htcleo-backlight",
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.owner = THIS_MODULE,
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},
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};
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static int __init htcleo_backlight_init(void)
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{
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return platform_driver_register(&htcleo_backlight_driver);
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}
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static void __exit htcleo_backlight_exit(void)
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{
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platform_driver_unregister(&htcleo_backlight_driver);
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}
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module_init(htcleo_backlight_init);
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module_exit(htcleo_backlight_exit);
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MODULE_DESCRIPTION("BMA150 G-sensor driver");
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MODULE_LICENSE("GPL");
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