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cec: auto shutdown case crash [1/1]

Browse Source 
PD#SWPL-2258

Problem:
1.running autoshutdown cause device crashed

Solution:
1.optimize cec power on proble flow

Verify:
1.p212

Change-Id: Ia78c76cdb4b72a1a275628b3ad77ea6d71696d89
Signed-off-by: Yong Qin <yong.qin@amlogic.com>

Conflicts:
	drivers/amlogic/cec/hdmi_ao_cec.h
This commit is contained in:
Yong Qin
2018-11-21 16:00:23 +08:00
committed by Dongjin Kim
parent c0102386e4
commit 6d0682cd8e
2 changed files with 11 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/amlogic/cec/hdmi_ao_cec.c
View File

@@ -607,7 +607,7 @@ static void ao_cecb_init(void)
hdmirx_set_bits_top(TOP_EDID_GEN_CNTL, EDID_AUTO_CEC_EN, 11, 1);
/* enable all cec irq */
cec_irq_enable(true);
/*cec_irq_enable(true);*/
/* clear all wake up source */
hdmirx_cec_write(DWC_CEC_WKUPCTRL, 0);
/* cec enable */
@@ -660,7 +660,7 @@ static void ao_cecb_init(void)
}
/* Enable all AO_CECB interrupt sources */
cec_irq_enable(true);
/*cec_irq_enable(true);*/
hdmirx_cec_write(DWC_CEC_WKUPCTRL, WAKEUP_EN_MASK);
}
}
@@ -1046,7 +1046,7 @@ void ceca_hw_reset(void)
cec_set_reg_bits(AO_CEC_GEN_CNTL, 0, 0, 1);
/* Enable all AO_CEC interrupt sources */
cec_irq_enable(true);
/*cec_irq_enable(true);*/
/* cec_logicaddr_set(cec_dev->cec_info.log_addr); */
@@ -1590,7 +1590,7 @@ static void ao_ceca_init(void)
cec_set_reg_bits(AO_CEC_GEN_CNTL, 0, 0, 1);
/* Enable all AO_CEC interrupt sources */
cec_irq_enable(true);
/*cec_irq_enable(true);*/
cec_arbit_bit_time_set(3, 0x118, 0);
cec_arbit_bit_time_set(5, 0x000, 0);
@@ -3282,7 +3282,6 @@ static int aml_cec_probe(struct platform_device *pdev)
input_free_device(cec_dev->cec_info.remote_cec_dev);
}
#ifdef CONFIG_OF
/* config: read from dts */
r = of_property_read_u32(node, "cec_sel", &(cec_dev->cec_num));
if (r) {
@@ -3492,15 +3491,12 @@ static int aml_cec_probe(struct platform_device *pdev)
}
}
/* if (ee_cec == CEC_A) */
{
last_cec_msg = devm_kzalloc(&pdev->dev,
sizeof(*last_cec_msg), GFP_KERNEL);
if (!last_cec_msg) {
CEC_ERR("allocate last_cec_msg failed\n");
ret = -ENOMEM;
goto tag_cec_msg_alloc_err;
}
last_cec_msg = devm_kzalloc(&pdev->dev,
sizeof(*last_cec_msg), GFP_KERNEL);
if (!last_cec_msg) {
CEC_ERR("allocate last_cec_msg failed\n");
ret = -ENOMEM;
goto tag_cec_msg_alloc_err;
}
#ifdef CONFIG_HAS_EARLYSUSPEND

2
drivers/amlogic/cec/hdmi_ao_cec.h
View File

@@ -19,7 +19,7 @@
#define __AO_CEC_H__
#define CEC_DRIVER_VERSION "Ver 2019/3/25\n"
#define CEC_DRIVER_VERSION "Ver 2018/11/21\n"
#define CEC_FRAME_DELAY msecs_to_jiffies(400)
#define CEC_DEV_NAME "aocec"