android/android_kernel_cmhtcleo
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

htcleo: add interface for microps autobacklight functionality

Browse Source
This commit is contained in:
Markinus
2010-10-15 23:47:49 +02:00
parent 2e7b49e61b
commit ecba5ca2dc
1 changed files with 49 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
arch/arm/mach-msm/board-htcleo-bl-led.c
View File

@@ -38,6 +38,49 @@
#endif
static struct led_trigger *htcleo_lcd_backlight;
static int auto_bl_state=0;
int htcleo_brightness_autobacklight(uint8_t value)
{
int ret;
uint8_t data[2];
LCMDBG("%s:(%d)\n", __func__, value);
if(value!=0 && value!=1) return -1;
data[0] = 1;
data[1] = value;
ret = microp_i2c_write(MICROP_I2C_WCMD_AUTO_BL_CTL, data, 2);
if (ret != 0) {
pr_err("%s: set auto light sensor fail\n", __func__);
return ret;
}
auto_bl_state=value;
return 0;
}
EXPORT_SYMBOL(htcleo_brightness_autobacklight);
static ssize_t htcleo_auto_bl_get(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret;
ret = sprintf(buf, "%d", auto_bl_state);
return ret;
}
static ssize_t htcleo_auto_bl_set(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int set_state;
sscanf(buf, "%d", &set_state);
if(set_state!=0 && set_state!=1) return -EINVAL;
htcleo_brightness_autobacklight(set_state);
return count;
}
static DEVICE_ATTR(auto_bl, 0644, htcleo_auto_bl_get, htcleo_auto_bl_set);
int htcleo_brightness_onoff_bkl(int enable)
{
@@ -54,26 +97,17 @@ int htcleo_brightness_onoff_bkl(int enable)
int htcleo_brightness_set_bkl(uint8_t value)
{
int ret;
uint8_t cmd[2], data[2];
uint8_t cmd[2];
LCMDBG("microp_set_bkl(%d)\n", value);
LCMDBG("%s:(%d)\n", __func__, value);
if (value > 9)
{
value = 9;
}
// disable autobrigtness
// CotullaTEST: Lsensor test, add 0x100
// data[0] = 0;
data[0] = 1;
data[1] = 0;
ret = microp_i2c_write(MICROP_I2C_WCMD_AUTO_BL_CTL, data, 2); // 23
if (ret != 0)
pr_err("%s: set auto light sensor fail\n", __func__);
// setvalue
cmd[0] = value << 4;
// printk("22LEVEL %02X\n", cmd[0]);
ret = microp_i2c_write(MICROP_I2C_WCMD_LCM_BL_MANU_CTL, cmd, 1); // 22
if (ret < 0)
{
@@ -112,6 +146,7 @@ static struct led_classdev htcleo_backlight_led =
static int htcleo_backlight_probe(struct platform_device *pdev)
{
int rc;
rc = device_create_file(&pdev->dev, &dev_attr_auto_bl);
printk(KERN_INFO "%s: HTCLeo Backlight connect with microP: "
"Probe\n", __func__);
@@ -119,12 +154,14 @@ static int htcleo_backlight_probe(struct platform_device *pdev)
rc = led_classdev_register(&pdev->dev, &htcleo_backlight_led);
if (rc)
LCMDBG("HTCLeo Backlight: failure on register led_classdev\n");
return 0;
htcleo_brightness_autobacklight(0);
return rc;
}
static int htcleo_backlight_remove(struct platform_device *pdev)
{
device_remove_file(&pdev->dev, &dev_attr_auto_bl);
return 0;
}