[    1.782040] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    2.318094] pwm-backlight: probe of backlight failed with error -22
[    3.203335] fb_ili9341 spi1.0: fbtft_property_value: backlight = 65
[    3.486676] omap_i2c 4819c000.i2c: Error applying setting, reverse things back
[    3.515844] fb_ili9341 spi1.0: fbtft_property_value: backlight = 65
[    4.276580] fb_ili9341 spi1.0: fbtft_register_backlight(): led pin not set, exiting.