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path: root/drivers/video/backlight/lms283gf05.c
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Diffstat (limited to 'drivers/video/backlight/lms283gf05.c')
-rw-r--r--drivers/video/backlight/lms283gf05.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c
index ea43f225419..14590c54aed 100644
--- a/drivers/video/backlight/lms283gf05.c
+++ b/drivers/video/backlight/lms283gf05.c
@@ -31,7 +31,7 @@ struct lms283gf05_seq {
};
/* Magic sequences supplied by manufacturer, for details refer to datasheet */
-static struct lms283gf05_seq disp_initseq[] = {
+static const struct lms283gf05_seq disp_initseq[] = {
/* REG, VALUE, DELAY */
{ 0x07, 0x0000, 0 },
{ 0x13, 0x0000, 10 },
@@ -78,7 +78,7 @@ static struct lms283gf05_seq disp_initseq[] = {
{ 0x22, 0x0000, 0 }
};
-static struct lms283gf05_seq disp_pdwnseq[] = {
+static const struct lms283gf05_seq disp_pdwnseq[] = {
{ 0x07, 0x0016, 30 },
{ 0x07, 0x0004, 0 },
@@ -104,7 +104,7 @@ static void lms283gf05_reset(unsigned long gpio, bool inverted)
}
static void lms283gf05_toggle(struct spi_device *spi,
- struct lms283gf05_seq *seq, int sz)
+ const struct lms283gf05_seq *seq, int sz)
{
char buf[3];
int i;
@@ -128,7 +128,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power)
{
struct lms283gf05_state *st = lcd_get_data(ld);
struct spi_device *spi = st->spi;
- struct lms283gf05_pdata *pdata = spi->dev.platform_data;
+ struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
if (power <= FB_BLANK_NORMAL) {
if (pdata)
@@ -150,40 +150,36 @@ static struct lcd_ops lms_ops = {
.get_power = NULL,
};
-static int __devinit lms283gf05_probe(struct spi_device *spi)
+static int lms283gf05_probe(struct spi_device *spi)
{
struct lms283gf05_state *st;
- struct lms283gf05_pdata *pdata = spi->dev.platform_data;
+ struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
struct lcd_device *ld;
int ret = 0;
if (pdata != NULL) {
- ret = devm_gpio_request(&spi->dev, pdata->reset_gpio,
- "LMS285GF05 RESET");
- if (ret)
- return ret;
-
- ret = gpio_direction_output(pdata->reset_gpio,
- !pdata->reset_inverted);
+ ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio,
+ GPIOF_DIR_OUT | (!pdata->reset_inverted ?
+ GPIOF_INIT_HIGH : GPIOF_INIT_LOW),
+ "LMS285GF05 RESET");
if (ret)
return ret;
}
st = devm_kzalloc(&spi->dev, sizeof(struct lms283gf05_state),
GFP_KERNEL);
- if (st == NULL) {
- dev_err(&spi->dev, "No memory for device state\n");
+ if (st == NULL)
return -ENOMEM;
- }
- ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops);
+ ld = devm_lcd_device_register(&spi->dev, "lms283gf05", &spi->dev, st,
+ &lms_ops);
if (IS_ERR(ld))
return PTR_ERR(ld);
st->spi = spi;
st->ld = ld;
- dev_set_drvdata(&spi->dev, st);
+ spi_set_drvdata(spi, st);
/* kick in the LCD */
if (pdata)
@@ -193,22 +189,12 @@ static int __devinit lms283gf05_probe(struct spi_device *spi)
return 0;
}
-static int __devexit lms283gf05_remove(struct spi_device *spi)
-{
- struct lms283gf05_state *st = dev_get_drvdata(&spi->dev);
-
- lcd_device_unregister(st->ld);
-
- return 0;
-}
-
static struct spi_driver lms283gf05_driver = {
.driver = {
.name = "lms283gf05",
.owner = THIS_MODULE,
},
.probe = lms283gf05_probe,
- .remove = __devexit_p(lms283gf05_remove),
};
module_spi_driver(lms283gf05_driver);