mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 09:56:47 +02:00
[linux] support increase/decrease in screen brightness
Signed-off-by: Xiangfu Liu <xiangfu@sharism.cc>
This commit is contained in:
parent
107b42d206
commit
2e6be21b3b
@ -83,18 +83,19 @@ static int gpm940b0_set_mode(struct lcd_device *lcd, struct fb_videomode *mode)
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
int gpm940b0_bl_get_brightness(struct backlight_device *bl)
|
||||||
|
{
|
||||||
|
return bl->props.brightness;
|
||||||
|
}
|
||||||
|
|
||||||
int gpm940b0_bl_update_status(struct backlight_device *bl)
|
int gpm940b0_bl_update_status(struct backlight_device *bl)
|
||||||
{
|
{
|
||||||
struct gpm940b0 *gpm940b0 = bl_get_data(bl);
|
struct gpm940b0 *gpm940b0 = bl_get_data(bl);
|
||||||
|
|
||||||
gpm940b0->reg5 &= ~0x38;
|
gpm940b0_write_reg(gpm940b0->spi, 0x3, (bl->props.brightness));
|
||||||
gpm940b0->reg5 |= ((bl->props.brightness << 3) & 0x38);
|
|
||||||
|
|
||||||
gpm940b0_write_reg(gpm940b0->spi, 0x5, gpm940b0->reg5);
|
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}*/
|
}
|
||||||
|
|
||||||
static ssize_t reg_write(struct device *dev, struct device_attribute *attr,
|
static ssize_t reg_write(struct device *dev, struct device_attribute *attr,
|
||||||
const char *buf, size_t count)
|
const char *buf, size_t count)
|
||||||
@ -119,12 +120,10 @@ static struct lcd_ops gpm940b0_lcd_ops = {
|
|||||||
.set_mode = gpm940b0_set_mode,
|
.set_mode = gpm940b0_set_mode,
|
||||||
};
|
};
|
||||||
|
|
||||||
#if 0
|
|
||||||
static struct backlight_ops gpm940b0_bl_ops = {
|
static struct backlight_ops gpm940b0_bl_ops = {
|
||||||
/* .get_brightness = gpm940b0_bl_get_brightness,*/
|
.get_brightness = gpm940b0_bl_get_brightness,
|
||||||
.update_status = gpm940b0_bl_update_status,
|
.update_status = gpm940b0_bl_update_status,
|
||||||
};
|
};
|
||||||
#endif
|
|
||||||
|
|
||||||
static int __devinit gpm940b0_probe(struct spi_device *spi)
|
static int __devinit gpm940b0_probe(struct spi_device *spi)
|
||||||
{
|
{
|
||||||
@ -154,7 +153,6 @@ static int __devinit gpm940b0_probe(struct spi_device *spi)
|
|||||||
|
|
||||||
gpm940b0->lcd->props.max_contrast = 255;
|
gpm940b0->lcd->props.max_contrast = 255;
|
||||||
|
|
||||||
#if 0
|
|
||||||
gpm940b0->bl = backlight_device_register("gpm940b0-bl", &spi->dev, gpm940b0,
|
gpm940b0->bl = backlight_device_register("gpm940b0-bl", &spi->dev, gpm940b0,
|
||||||
&gpm940b0_bl_ops);
|
&gpm940b0_bl_ops);
|
||||||
|
|
||||||
@ -163,11 +161,11 @@ static int __devinit gpm940b0_probe(struct spi_device *spi)
|
|||||||
dev_err(&spi->dev, "Failed to register backlight device: %d\n", ret);
|
dev_err(&spi->dev, "Failed to register backlight device: %d\n", ret);
|
||||||
gpm940b0->bl = NULL;
|
gpm940b0->bl = NULL;
|
||||||
} else {
|
} else {
|
||||||
gpm940b0->bl->props.max_brightness = 8;
|
gpm940b0->bl->props.max_brightness = 255;
|
||||||
gpm940b0->bl->props.brightness = 0;
|
gpm940b0->bl->props.brightness = 64;
|
||||||
gpm940b0->bl->props.power = FB_BLANK_UNBLANK;
|
gpm940b0->bl->props.power = FB_BLANK_UNBLANK;
|
||||||
}
|
}
|
||||||
#endif
|
backlight_update_status(gpm940b0->bl);
|
||||||
|
|
||||||
ret = device_create_file(&spi->dev, &dev_attr_reg);
|
ret = device_create_file(&spi->dev, &dev_attr_reg);
|
||||||
if (ret)
|
if (ret)
|
||||||
@ -190,10 +188,8 @@ err_free_gpm940b0:
|
|||||||
static int __devexit gpm940b0_remove(struct spi_device *spi)
|
static int __devexit gpm940b0_remove(struct spi_device *spi)
|
||||||
{
|
{
|
||||||
struct gpm940b0 *gpm940b0 = spi_get_drvdata(spi);
|
struct gpm940b0 *gpm940b0 = spi_get_drvdata(spi);
|
||||||
#if 0
|
|
||||||
if (gpm940b0->bl)
|
if (gpm940b0->bl)
|
||||||
backlight_device_unregister(gpm940b0->bl);
|
backlight_device_unregister(gpm940b0->bl);
|
||||||
#endif
|
|
||||||
|
|
||||||
lcd_device_unregister(gpm940b0->lcd);
|
lcd_device_unregister(gpm940b0->lcd);
|
||||||
|
|
||||||
|
@ -1,3 +1,4 @@
|
|||||||
|
CONFIG_BACKLIGHT_CLASS_DEVICE=y
|
||||||
CONFIG_BACKLIGHT_LCD_SUPPORT=y
|
CONFIG_BACKLIGHT_LCD_SUPPORT=y
|
||||||
CONFIG_BATTERY_JZ4740=y
|
CONFIG_BATTERY_JZ4740=y
|
||||||
CONFIG_CMDLINE="root=/dev/ram0 rootfstype=ramfs console=ttyS0,57600 console=tty0 mem=32M"
|
CONFIG_CMDLINE="root=/dev/ram0 rootfstype=ramfs console=ttyS0,57600 console=tty0 mem=32M"
|
||||||
@ -19,4 +20,4 @@ CONFIG_SPI=y
|
|||||||
CONFIG_SPI_BITBANG=y
|
CONFIG_SPI_BITBANG=y
|
||||||
CONFIG_SPI_GPIO=y
|
CONFIG_SPI_GPIO=y
|
||||||
CONFIG_SPI_MASTER=y
|
CONFIG_SPI_MASTER=y
|
||||||
CONFIG_USB_ETH_RNDIS=n
|
# CONFIG_USB_ETH_RNDIS is not set
|
||||||
|
Loading…
Reference in New Issue
Block a user