diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c index 0df46a1af5f0..135994d44802 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c +++ b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c @@ -817,6 +817,9 @@ static int gmin_v1p8_ctrl(struct v4l2_subdev *subdev, int on) int ret; int value; + if (!gs || gs->v1p8_on == on) + return 0; + if (gs->v1p8_gpio >= 0) { pr_info("atomisp_gmin_platform: 1.8v power on GPIO %d\n", gs->v1p8_gpio); @@ -827,8 +830,6 @@ static int gmin_v1p8_ctrl(struct v4l2_subdev *subdev, int on) pr_err("V1P8 GPIO initialization failed\n"); } - if (!gs || gs->v1p8_on == on) - return 0; gs->v1p8_on = on; if (gs->v1p8_gpio >= 0) @@ -871,6 +872,9 @@ static int gmin_v2p8_ctrl(struct v4l2_subdev *subdev, int on) int ret; int value; + if (WARN_ON(!gs)) + return -ENODEV; + if (gs->v2p8_gpio >= 0) { pr_info("atomisp_gmin_platform: 2.8v power on GPIO %d\n", gs->v2p8_gpio); @@ -881,7 +885,7 @@ static int gmin_v2p8_ctrl(struct v4l2_subdev *subdev, int on) pr_err("V2P8 GPIO initialization failed\n"); } - if (!gs || gs->v2p8_on == on) + if (gs->v2p8_on == on) return 0; gs->v2p8_on = on; |