As in set_fmt() function we only need to know which format is been set, we don't need to access the ISI hardware in this moment. So move the configure_geometry(), which access the ISI hardware, to start_streaming() will make code more consistent and simpler. Signed-off-by: Josh Wu <josh.wu@xxxxxxxxx> --- drivers/media/platform/soc_camera/atmel-isi.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index 8bc40ca..b01086d 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -390,6 +390,11 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) /* Disable all interrupts */ isi_writel(isi, ISI_INTDIS, (u32)~0UL); + ret = configure_geometry(isi, icd->user_width, icd->user_height, + icd->current_fmt->code); + if (ret < 0) + return ret; + spin_lock_irq(&isi->lock); /* Clear any pending interrupt */ isi_readl(isi, ISI_STATUS); @@ -477,8 +482,6 @@ static int isi_camera_init_videobuf(struct vb2_queue *q, static int isi_camera_set_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct atmel_isi *isi = ici->priv; struct v4l2_subdev *sd = soc_camera_to_subdev(icd); const struct soc_camera_format_xlate *xlate; struct v4l2_pix_format *pix = &f->fmt.pix; @@ -511,16 +514,6 @@ static int isi_camera_set_fmt(struct soc_camera_device *icd, if (mf->code != xlate->code) return -EINVAL; - /* Enable PM and peripheral clock before operate isi registers */ - pm_runtime_get_sync(ici->v4l2_dev.dev); - - ret = configure_geometry(isi, pix->width, pix->height, xlate->code); - - pm_runtime_put(ici->v4l2_dev.dev); - - if (ret < 0) - return ret; - pix->width = mf->width; pix->height = mf->height; pix->field = mf->field; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html