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; }
static ssize_t tpo_td043_gamma_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev); unsigned int g[12]; int ret; int i; ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u", &g[0], &g[1], &g[2], &g[3], &g[4], &g[5], &g[6], &g[7], &g[8], &g[9], &g[10], &g[11]); if (ret != 12) return -EINVAL; for (i = 0; i < 12; i++) tpo_td043->gamma[i] = g[i]; tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma); return count; }