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Today's Topics:
1. Re: Openmoko Bug #2345: all pixels are white after xset dpms
force off/on (Openmoko Public Trac)
2. Re: Openmoko Bug #2345: all pixels are white after xset dpms
force off/on (Openmoko Public Trac)
--- Begin Message ---
#2345: all pixels are white after xset dpms force off/on
--------------------+-------------------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: unspecified
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
--------------------+-------------------------------------------------------
Comment(by lindi):
{{{
diff --git a/drivers/video/backlight/jbt6k74.c
b/drivers/video/backlight/jbt6k74.c
index 8450904..c7aaf2d 100644
--- a/drivers/video/backlight/jbt6k74.c
+++ b/drivers/video/backlight/jbt6k74.c
@@ -268,6 +268,8 @@ static int jbt_standby_to_sleep(struct jbt_info *jbt)
gpio_set_value_cansleep(pdata->gpio_reset, 1);
ret = regulator_bulk_enable(ARRAY_SIZE(jbt->supplies),
jbt->supplies);
+ msleep(200);
+
/* three times command zero */
ret |= jbt_reg_write_nodata(jbt, 0x00);
mdelay(1);
}}}
seems to workaround this bug. I got the idea from Thibaut Girka who
recommended
http://git.openembedded.org/cgit.cgi/openembedded/plain/recipes/linux
/linux-openmoko-2.6.32/0016-jbt6k74-fix-WS.patch
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2345#comment:3>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2345: all pixels are white after xset dpms force off/on
--------------------+-------------------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: unspecified
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
--------------------+-------------------------------------------------------
Comment(by lindi):
It seems that with this patch the screen is white for 200 ms. This is kind
of annoying if you are in a dark environment but this is certainly better
than not being able to use the display at all.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2345#comment:4>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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