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 = dev_get_platdata(&spi->dev);
if (power <= FB_BLANK_NORMAL) {
if (pdata)
lms283gf05_reset(pdata->reset_gpio,
pdata->reset_inverted);
lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));
} else {
lms283gf05_toggle(spi, disp_pdwnseq, ARRAY_SIZE(disp_pdwnseq));
if (pdata)
gpio_set_value(pdata->reset_gpio,
pdata->reset_inverted);
}
return 0;
}
static int __devinit lms283gf05_probe(struct spi_device *spi)
{
struct lms283gf05_state *st;
struct lms283gf05_pdata *pdata = spi->dev.platform_data;
struct lcd_device *ld;
int ret = 0;
if (pdata != NULL) {
ret = gpio_request(pdata->reset_gpio, "LMS285GF05 RESET");
if (ret)
return ret;
ret = gpio_direction_output(pdata->reset_gpio,
!pdata->reset_inverted);
if (ret)
goto err;
}
st = kzalloc(sizeof(struct lms283gf05_state), GFP_KERNEL);
if (st == NULL) {
dev_err(&spi->dev, "No memory for device state\n");
ret = -ENOMEM;
goto err;
}
ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops);
if (IS_ERR(ld)) {
ret = PTR_ERR(ld);
goto err2;
}
st->spi = spi;
st->ld = ld;
dev_set_drvdata(&spi->dev, st);
/* kick in the LCD */
if (pdata)
lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted);
lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));
return 0;
err2:
kfree(st);
err:
if (pdata != NULL)
gpio_free(pdata->reset_gpio);
return ret;
}
static int lms283gf05_probe(struct spi_device *spi)
{
struct lms283gf05_state *st;
struct lms283gf05_pdata *pdata = spi->dev.platform_data;
struct lcd_device *ld;
int ret = 0;
if (pdata != NULL) {
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");
return -ENOMEM;
}
ld = lcd_device_register("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);
/* kick in the LCD */
if (pdata)
lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted);
lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));
return 0;
}
