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lcd: The panel's backlight is not stable with VAD enabled platform [1/1]

Browse Source 
PD#SWPL-3713

Problem:
The panel's backlight is not stable when
enter standby mode after do suspend with
VAD enabled platform

Solution:
bypass undefind resume in lcd resume early

Verify:
verify by t962x2-x301

Change-Id: I8f040de9bebf3ccbdd3b2da3a46540fe676958f6
Signed-off-by: Shaochan Liu <shaochan.liu@amlogic.com>
This commit is contained in:
Shaochan Liu
2019-01-03 14:57:23 +08:00
committed by Dongjin Kim
parent 3b19be11e0
commit 96a3556ea5
1 changed files with 5 additions and 1 deletions
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6
drivers/amlogic/media/vout/lcd/lcd_vout.c
View File

@@ -1420,8 +1420,12 @@ static int lcd_remove(struct platform_device *pdev)
static int lcd_resume(struct platform_device *pdev)
{
if (lcd_debug_print_flag)
LCDPR("resume method: %d\n", get_resume_method());
if ((get_resume_method() == RTC_WAKEUP) ||
(get_resume_method() == AUTO_WAKEUP))
(get_resume_method() == AUTO_WAKEUP) ||
(get_resume_method() == UDEFINED_WAKEUP))
return 0;
if ((lcd_driver->lcd_status & LCD_STATUS_VMODE_ACTIVE) == 0)