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vdac: fix atv/dtv resume no signal issue [1/1]

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PD#SWPL-2351

Problem:
atv/dtv no signal when suspend after switch from hdmi

Solution:
disable vdac bandgap when suspend

Verify:
test pass on P321

Change-Id: I0449f0d9673f46928b8951249f5759a4a1f16562
Signed-off-by: Nian Jing <nian.jing@amlogic.com>
This commit is contained in:
Nian Jing
2018-11-23 11:05:03 +08:00
committed by Dongjin Kim
parent bd1d538535
commit 0365a023b7
1 changed files with 2 additions and 0 deletions
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2
drivers/amlogic/media/vout/vdac/vdac_dev.c
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@@ -691,6 +691,8 @@ static int __exit aml_vdac_remove(struct platform_device *pdev)
static int amvdac_drv_suspend(struct platform_device *pdev,
pm_message_t state)
{
if (s_vdac_data->cpu_id == VDAC_CPU_TXL)
vdac_hiu_reg_write(HHI_VDAC_CNTL0, 0);
pr_info("%s: suspend module\n", __func__);
return 0;
}