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dtv_demod: TL1 dtmb suspend hangup issue [1/1]

Browse Source 
PD#SWPL-5202

Problem:
cma memory is not released when suspend

Solution:
provide suspend interface to release cma memory

Verify:
verified by t962x2_x301

Change-Id: I1d808a8a6119a2f385961c4c5bded5ab71c9c9d1
Signed-off-by: zhiwei.yuan <zhiwei.yuan@amlogic.com>
This commit is contained in:
zhiwei.yuan
2019-03-06 15:55:43 +08:00
committed by Tao Zeng
parent 1aa57469a9
commit 5135c1db11
1 changed files with 23 additions and 0 deletions
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23
drivers/amlogic/media/dtv_demod/amlfrontend.c
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@@ -3656,6 +3656,25 @@ static void aml_dtvdemod_shutdown(struct platform_device *pdev)
}
static int aml_dtvdemod_suspend(struct platform_device *pdev,
pm_message_t state)
{
enum aml_fe_n_mode_t nmode = dtvdd_devp->n_mode;
PR_INFO("%s, mode = %d\n", __func__, nmode);
if (nmode != AM_FE_UNKNOWN_N)
leave_mode(nmode);
return 0;
}
static int aml_dtvdemod_resume(struct platform_device *pdev)
{
PR_INFO("%s is called\n", __func__);
return 0;
}
static struct platform_driver aml_dtvdemod_driver = {
.driver = {
.name = "aml_dtv_demod",
@@ -3666,6 +3685,10 @@ static struct platform_driver aml_dtvdemod_driver = {
.shutdown = aml_dtvdemod_shutdown,
.probe = aml_dtvdemod_probe,
.remove = __exit_p(aml_dtvdemod_remove),
#ifdef CONFIG_PM
.suspend = aml_dtvdemod_suspend,
.resume = aml_dtvdemod_resume,
#endif
};