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Red Hat Bugzilla – Attachment 894218 Details for
Bug 909552
Brightness/Backlight adjustement does not work anymore on Dell Inspiron 15r
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[patch]
add debug prints to verify what's going wrong
for_dell_inspiron_7520.patch (text/plain), 571 bytes, created by
Aaron Lu
on 2014-05-10 08:57:10 UTC
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Description:
add debug prints to verify what's going wrong
Filename:
MIME Type:
Creator:
Aaron Lu
Created:
2014-05-10 08:57:10 UTC
Size:
571 bytes
patch
obsolete
>diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c >index 87e9b39..fa2047b 100644 >--- a/drivers/acpi/video.c >+++ b/drivers/acpi/video.c >@@ -242,6 +242,9 @@ static bool acpi_video_use_native_backlight(void) > > static bool acpi_video_verify_backlight_support(void) > { >+ pr_info("%s: win8=%d, use_native=%d, raw=%d\n", __func__, >+ acpi_osi_is_win8(), acpi_video_use_native_backlight(), >+ backlight_device_registered(BACKLIGHT_RAW)); > if (acpi_osi_is_win8() && acpi_video_use_native_backlight() && > backlight_device_registered(BACKLIGHT_RAW)) > return false;
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