diff options
Diffstat (limited to 'drivers/media/video/pxa_camera.c')
| -rw-r--r-- | drivers/media/video/pxa_camera.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index 5ecc30daef2d..7fe70e718656 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c @@ -253,8 +253,8 @@ static int pxa_videobuf_setup(struct videobuf_queue *vq, unsigned int *count, if (0 == *count) *count = 32; - while (*size * *count > vid_limit * 1024 * 1024) - (*count)--; + if (*size * *count > vid_limit * 1024 * 1024) + *count = (vid_limit * 1024 * 1024) / *size; return 0; } @@ -609,12 +609,9 @@ static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, */ static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev) { - unsigned long cicr0, cifr; + unsigned long cicr0; dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s\n", __func__); - /* Reset the FIFOs */ - cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F; - __raw_writel(cifr, pcdev->base + CIFR); /* Enable End-Of-Frame Interrupt */ cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB; cicr0 &= ~CICR0_EOFM; @@ -935,7 +932,7 @@ static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev) static irqreturn_t pxa_camera_irq(int irq, void *data) { struct pxa_camera_dev *pcdev = data; - unsigned long status, cicr0; + unsigned long status, cifr, cicr0; struct pxa_buffer *buf; struct videobuf_buffer *vb; @@ -949,6 +946,10 @@ static irqreturn_t pxa_camera_irq(int irq, void *data) __raw_writel(status, pcdev->base + CISR); if (status & CISR_EOF) { + /* Reset the FIFOs */ + cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F; + __raw_writel(cifr, pcdev->base + CIFR); + pcdev->active = list_first_entry(&pcdev->capture, struct pxa_buffer, vb.queue); vb = &pcdev->active->vb; |