static int mdss_dsi_panel_power(uint8_t enable) { int ret = NO_ERROR; if (enable) { /* Enable backlight */ ret = panel_backlight_ctrl(enable); if (ret) { dprintf(CRITICAL, "Backlight enable failed \n"); return ret; } ret = target_ldo_ctrl(enable, ldo_entry_array, TOTAL_LDO_DEFINED); if (ret) { dprintf(CRITICAL, "LDO control enable failed \n"); return ret; } /* Panel Reset */ ret = mdss_dsi_panel_reset(enable); if (ret) { dprintf(CRITICAL, "panel reset failed \n"); return ret; } dprintf(SPEW, "Panel power on done\n"); } else { /* Disable panel, backlight and ldo */ ret = mdss_dsi_panel_reset(enable); if (ret) { dprintf(CRITICAL, "panel reset disable failed \n"); return ret; } ret = panel_backlight_ctrl(enable); if (ret) { dprintf(CRITICAL, "Backlight disable failed \n"); return ret; } ret = target_ldo_ctrl(enable, ldo_entry_array, TOTAL_LDO_DEFINED); if (ret) { dprintf(CRITICAL, "ldo control disable failed \n"); return ret; } dprintf(SPEW, "Panel power off done\n"); } return ret; }
static int mdss_dsi_bl_enable(uint8_t enable) { int ret = NO_ERROR; ret = panel_backlight_ctrl(enable); if (ret) dprintf(CRITICAL, "Backlight %s failed\n", enable ? "enable" : "disable"); return ret; }