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path: root/drivers/video/backlight/ili9320.c
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Diffstat (limited to 'drivers/video/backlight/ili9320.c')
-rw-r--r--drivers/video/backlight/ili9320.c74
1 files changed, 23 insertions, 51 deletions
diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c
index 5118a9f029a..2cf39e6d519 100644
--- a/drivers/video/backlight/ili9320.c
+++ b/drivers/video/backlight/ili9320.c
@@ -45,7 +45,7 @@ static inline int ili9320_write_spi(struct ili9320 *ili,
/* second message is the data to transfer */
data[0] = spi->id | ILI9320_SPI_DATA | ILI9320_SPI_WRITE;
- data[1] = value >> 8;
+ data[1] = value >> 8;
data[2] = value;
return spi_sync(spi->dev, &spi->message);
@@ -56,11 +56,10 @@ int ili9320_write(struct ili9320 *ili, unsigned int reg, unsigned int value)
dev_dbg(ili->dev, "write: reg=%02x, val=%04x\n", reg, value);
return ili->write(ili, reg, value);
}
-
EXPORT_SYMBOL_GPL(ili9320_write);
int ili9320_write_regs(struct ili9320 *ili,
- struct ili9320_reg *values,
+ const struct ili9320_reg *values,
int nr_values)
{
int index;
@@ -74,7 +73,6 @@ int ili9320_write_regs(struct ili9320 *ili,
return 0;
}
-
EXPORT_SYMBOL_GPL(ili9320_write_regs);
static void ili9320_reset(struct ili9320 *lcd)
@@ -171,7 +169,7 @@ static struct lcd_ops ili9320_ops = {
.set_power = ili9320_set_power,
};
-static void __devinit ili9320_setup_spi(struct ili9320 *ili,
+static void ili9320_setup_spi(struct ili9320 *ili,
struct spi_device *dev)
{
struct ili9320_spi *spi = &ili->access.spi;
@@ -197,10 +195,10 @@ static void __devinit ili9320_setup_spi(struct ili9320 *ili,
spi_message_add_tail(&spi->xfer[1], &spi->message);
}
-int __devinit ili9320_probe_spi(struct spi_device *spi,
+int ili9320_probe_spi(struct spi_device *spi,
struct ili9320_client *client)
{
- struct ili9320_platdata *cfg = spi->dev.platform_data;
+ struct ili9320_platdata *cfg = dev_get_platdata(&spi->dev);
struct device *dev = &spi->dev;
struct ili9320 *ili;
struct lcd_device *lcd;
@@ -220,11 +218,9 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
/* allocate and initialse our state */
- ili = kzalloc(sizeof(struct ili9320), GFP_KERNEL);
- if (ili == NULL) {
- dev_err(dev, "no memory for device\n");
+ ili = devm_kzalloc(&spi->dev, sizeof(struct ili9320), GFP_KERNEL);
+ if (ili == NULL)
return -ENOMEM;
- }
ili->access.spi.id = ILI9320_SPI_IDCODE | ILI9320_SPI_ID(1);
@@ -233,15 +229,15 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
ili->power = FB_BLANK_POWERDOWN;
ili->platdata = cfg;
- dev_set_drvdata(&spi->dev, ili);
+ spi_set_drvdata(spi, ili);
ili9320_setup_spi(ili, spi);
- lcd = lcd_device_register("ili9320", dev, ili, &ili9320_ops);
+ lcd = devm_lcd_device_register(&spi->dev, "ili9320", dev, ili,
+ &ili9320_ops);
if (IS_ERR(lcd)) {
dev_err(dev, "failed to register lcd device\n");
- ret = PTR_ERR(lcd);
- goto err_free;
+ return PTR_ERR(lcd);
}
ili->lcd = lcd;
@@ -251,70 +247,47 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
ret = ili9320_power(ili, FB_BLANK_UNBLANK);
if (ret != 0) {
dev_err(dev, "failed to set lcd power state\n");
- goto err_unregister;
+ return ret;
}
return 0;
-
- err_unregister:
- lcd_device_unregister(lcd);
-
- err_free:
- kfree(ili);
-
- return ret;
}
-
EXPORT_SYMBOL_GPL(ili9320_probe_spi);
-int __devexit ili9320_remove(struct ili9320 *ili)
+int ili9320_remove(struct ili9320 *ili)
{
ili9320_power(ili, FB_BLANK_POWERDOWN);
-
- lcd_device_unregister(ili->lcd);
- kfree(ili);
-
return 0;
}
-
EXPORT_SYMBOL_GPL(ili9320_remove);
-#ifdef CONFIG_PM
-int ili9320_suspend(struct ili9320 *lcd, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+int ili9320_suspend(struct ili9320 *lcd)
{
int ret;
- dev_dbg(lcd->dev, "%s: event %d\n", __func__, state.event);
+ ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
- if (state.event == PM_EVENT_SUSPEND) {
- ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
-
- if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
- ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
- ILI9320_POWER1_SLP |
- ILI9320_POWER1_DSTB);
- lcd->initialised = 0;
- }
-
- return ret;
+ if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
+ ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
+ ILI9320_POWER1_SLP |
+ ILI9320_POWER1_DSTB);
+ lcd->initialised = 0;
}
- return 0;
+ return ret;
}
-
EXPORT_SYMBOL_GPL(ili9320_suspend);
int ili9320_resume(struct ili9320 *lcd)
{
dev_info(lcd->dev, "resuming from power state %d\n", lcd->power);
- if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
+ if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP)
ili9320_write(lcd, ILI9320_POWER1, 0x00);
- }
return ili9320_power(lcd, FB_BLANK_UNBLANK);
}
-
EXPORT_SYMBOL_GPL(ili9320_resume);
#endif
@@ -323,7 +296,6 @@ void ili9320_shutdown(struct ili9320 *lcd)
{
ili9320_power(lcd, FB_BLANK_POWERDOWN);
}
-
EXPORT_SYMBOL_GPL(ili9320_shutdown);
MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>");