diff options
| author | Sandor Yu <R01008@freescale.com> | 2015-02-11 16:12:36 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-09-17 09:21:41 -0500 |
| commit | 1c656fdf2e667b35327add7281f2b93e937ce8bc (patch) | |
| tree | ec36ccdee88b2853ffc8fe4f2cd88170638fcb9d /drivers/media/platform/mxc/subdev | |
| parent | 88d633c42cb8e5af5320db09c5fa021e9e12fe45 (diff) | |
MLK-10232-1: vadc: Add vadc to generic pm domain
Vadc in the dispmix power domian, the register will been reset
when dispmix power off, add vadc to generic pm domain,
dispmix will not power off when vadc driver loading.
Signed-off-by: Sandor Yu <R01008@freescale.com>
Diffstat (limited to 'drivers/media/platform/mxc/subdev')
| -rw-r--r-- | drivers/media/platform/mxc/subdev/mxc_vadc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/platform/mxc/subdev/mxc_vadc.c b/drivers/media/platform/mxc/subdev/mxc_vadc.c index e54c3f21264f..f77044f895b7 100644 --- a/drivers/media/platform/mxc/subdev/mxc_vadc.c +++ b/drivers/media/platform/mxc/subdev/mxc_vadc.c @@ -28,6 +28,7 @@ #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <media/v4l2-ioctl.h> #include <linux/videodev2.h> @@ -726,6 +727,9 @@ static int vadc_probe(struct platform_device *pdev) vadc_v4l2_subdev_init(sd, pdev, &vadc_ops); + pm_runtime_enable(&pdev->dev); + + pm_runtime_get_sync(&pdev->dev); /* Init VADC */ ret = vadc_of_init(pdev); if (ret < 0) @@ -736,6 +740,9 @@ static int vadc_probe(struct platform_device *pdev) return 0; err: + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + v4l2_async_unregister_subdev(&state->sd); clk_disable_unprepare(state->csi_clk); clk_disable_unprepare(state->vadc_clk); return ret; @@ -745,6 +752,8 @@ static int vadc_remove(struct platform_device *pdev) { struct vadc_state *state = platform_get_drvdata(pdev); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); v4l2_async_unregister_subdev(&state->sd); clk_disable_unprepare(state->csi_clk); clk_disable_unprepare(state->vadc_clk); |