2013/5/31 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>: > On 16:28 Fri 31 May , Richard Genoud wrote: >> When removing atmel_lcdfb module, the backlight is unregistered but not >> blanked. (only for CONFIG_BACKLIGHT_ATMEL_LCDC case). >> This can result in the screen going full white depending on how the PWM >> is wired. >> >> Signed-off-by: Richard Genoud <richard.genoud@xxxxxxxxx> >> --- >> drivers/video/atmel_lcdfb.c | 7 ++++++- >> 1 file changed, 6 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c >> index 6e6491f..e00318f 100644 >> --- a/drivers/video/atmel_lcdfb.c >> +++ b/drivers/video/atmel_lcdfb.c >> @@ -223,8 +223,13 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) >> >> static void exit_backlight(struct atmel_lcdfb_info *sinfo) >> { >> - if (sinfo->backlight) >> + if (sinfo->backlight) { > if (!sinfo->backlight) > return; > Well, I usually prefer to have a single exit point (when it doesn't make the code go beyond the 80chars limit). but if you prefer something like: if (!sinfo->backlight) return; if (sinfo->backlight->ops) { sinfo->backlight->props.power = FB_BLANK_POWERDOWN; sinfo->backlight->ops->update_status(sinfo->backlight); } backlight_device_unregister(sinfo->backlight); I'll send the modified patch. > other look ok > > if you want ot hte next RC you have 3h to send a v2 before I work off for few > days ok, bonnes vacances ! > > Best Regards, > J. -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html