diff options
Diffstat (limited to 'drivers/media/platform/aspeed-video.c')
| -rw-r--r-- | drivers/media/platform/aspeed-video.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 929b3a5b8849..db45502774b1 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -606,6 +606,16 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) aspeed_video_start_frame(video); } + /* + * CAPTURE_COMPLETE and FRAME_COMPLETE interrupts come even when these + * are disabled in the VE_INTERRUPT_CTRL register so clear them to + * prevent unnecessary interrupt calls. + */ + if (sts & VE_INTERRUPT_CAPTURE_COMPLETE) + sts &= ~VE_INTERRUPT_CAPTURE_COMPLETE; + if (sts & VE_INTERRUPT_FRAME_COMPLETE) + sts &= ~VE_INTERRUPT_FRAME_COMPLETE; + return sts ? IRQ_NONE : IRQ_HANDLED; } |