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misc: cec: add worker handler for resume

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HDMI CEC needs 1 sec delay for reset hardware in resume
Adding work handler for CEC init

Bug 1283088

Change-Id: I4498584ec93c1a5eefddfad9966cb5a1e7776e6e
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: http://git-master/r/228332
(cherry picked from commit 596245cee4b2c239843c2f920d83c21721af2ffb)
Signed-off-by: Xia Yang <xiay@nvidia.com>
Reviewed-on: http://git-master/r/346038
Reviewed-on: http://git-master/r/1164138
(cherry picked from commit f62afdb0cb72a087442db6ed450b52925d20f9b6)
This commit is contained in:
Shridhar Rasal
2013-05-14 15:00:33 +05:30
committed by Prafull Suryawanshi
parent b268d2ef29
commit a8422afe1a
2 changed files with 15 additions and 4 deletions
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18
drivers/misc/tegra-cec/tegra_cec.c
View File

@@ -234,7 +234,14 @@ static void tegra_cec_init(struct tegra_cec *cec)
cec->cec_base + TEGRA_CEC_INT_MASK);
}
static int __devinit tegra_cec_probe(struct platform_device *pdev)
static void tegra_cec_init_worker(struct work_struct *work)
{
struct tegra_cec *cec = container_of(work, struct tegra_cec, work);
tegra_cec_init(cec);
}
static int tegra_cec_probe(struct platform_device *pdev)
{
struct tegra_cec *cec;
struct resource *res;
@@ -298,7 +305,8 @@ static int __devinit tegra_cec_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, cec);
/* clear out the hardware. */
tegra_cec_init(cec);
INIT_WORK(&cec->work, tegra_cec_init_worker);
schedule_work(&cec->work);
device_init_wakeup(&pdev->dev, 1);
@@ -340,6 +348,7 @@ static int tegra_cec_remove(struct platform_device *pdev)
clk_put(cec->clk);
misc_deregister(&cec->misc_dev);
cancel_work_sync(&cec->work);
return 0;
}
@@ -356,10 +365,11 @@ static int tegra_cec_suspend(struct platform_device *pdev, pm_message_t state)
static int tegra_cec_resume(struct platform_device *pdev)
{
struct tegra_cec *cec = platform_get_drvdata(pdev);
clk_enable(cec->clk);
tegra_cec_init(cec);
schedule_work(&cec->work);
return 0;
}
#endif

1
drivers/misc/tegra-cec/tegra_cec.h
View File

@@ -30,6 +30,7 @@ struct tegra_cec {
unsigned int rx_wake;
unsigned int tx_wake;
unsigned short rx_buffer;
struct work_struct work;
};
static int tegra_cec_remove(struct platform_device *pdev);