static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
{
int nreset_gpio = tpo_td043->nreset_gpio;
if (tpo_td043->powered_on)
return 0;
regulator_enable(tpo_td043->vcc_reg);
/* wait for regulator to stabilize */
msleep(160);
if (gpio_is_valid(nreset_gpio))
gpio_set_value(nreset_gpio, 1);
tpo_td043_write(tpo_td043->spi, 2,
TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
tpo_td043->vmirror);
tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
tpo_td043->powered_on = 1;
return 0;
}
static int tpo_td043_power_on(struct panel_drv_data *ddata)
{
int r;
if (ddata->powered_on)
return 0;
r = regulator_enable(ddata->vcc_reg);
if (r != 0)
return r;
/* wait for panel to stabilize */
msleep(160);
if (gpio_is_valid(ddata->nreset_gpio))
gpio_set_value(ddata->nreset_gpio, 1);
tpo_td043_write(ddata->spi, 2,
TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING);
tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_NORMAL);
tpo_td043_write(ddata->spi, 0x20, 0xf0);
tpo_td043_write(ddata->spi, 0x21, 0xf0);
tpo_td043_write_mirror(ddata->spi, ddata->hmirror,
ddata->vmirror);
tpo_td043_write_gamma(ddata->spi, ddata->gamma);
ddata->powered_on = 1;
return 0;
}
static int tpo_td043_power_on(struct omap_dss_device *dssdev)
{
struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
int nreset_gpio = dssdev->reset_gpio;
int r;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
return 0;
r = omapdss_dpi_display_enable(dssdev);
if (r)
goto err0;
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
goto err1;
}
regulator_enable(tpo_td043->vcc_reg);
/* wait for power up */
msleep(160);
if (gpio_is_valid(nreset_gpio))
gpio_set_value(nreset_gpio, 1);
tpo_td043_write(tpo_td043->spi, 2,
TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
tpo_td043->vmirror);
tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
return 0;
err1:
omapdss_dpi_display_disable(dssdev);
err0:
return r;
}
