diff options
| author | Venu Byravarasu <vbyravarasu@nvidia.com> | 2010-08-10 10:12:05 +0530 |
|---|---|---|
| committer | Bharat Nihalani <bnihalani@nvidia.com> | 2010-08-17 03:16:19 -0700 |
| commit | a0dab997adbb9ee7163b07a06a87e670dd16e425 (patch) | |
| tree | 98c56b7395dae812e58049451e9aae8bcc587dca /drivers | |
| parent | 3aa07d834b13113624d1841a3c3a811888591770 (diff) | |
tegra accelerometer: power management changes
Added suspend and resume functionality to tegra
accelerometer, for supporting LP0 on Ventana
tested on Ventana-C
bug 716080
Change-Id: Ib57b3f2f0d3bec77839f40226f79cd60e222a366
Reviewed-on: http://git-master/r/4836
Tested-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/misc/tegra_odm_accel.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/input/misc/tegra_odm_accel.c b/drivers/input/misc/tegra_odm_accel.c index f08cc81b665e..5d7d49dcf402 100644 --- a/drivers/input/misc/tegra_odm_accel.c +++ b/drivers/input/misc/tegra_odm_accel.c @@ -403,9 +403,27 @@ static NvS32 tegra_acc_remove(struct platform_device *pdev) return 0; } +static int tegra_acc_suspend(struct platform_device *pAccel, pm_message_t state) +{ + if (NvOdmAccelSetPowerState(accel_dev->hOdmAcr, NvOdmAccelPower_Standby)) + return 0; + else + return -EIO; +} + +static int tegra_acc_resume(struct platform_device *pAccel) +{ + if (NvOdmAccelSetPowerState(accel_dev->hOdmAcr, NvOdmAccelPower_Fullrun)) + return 0; + else + return -EIO; +} + static struct platform_driver tegra_acc_driver = { .probe = tegra_acc_probe, .remove = tegra_acc_remove, + .suspend = tegra_acc_suspend, + .resume = tegra_acc_resume, .driver = { .name = "tegra_accelerometer", }, |