diff options
Diffstat (limited to 'drivers/media/platform/stm32/stm32-dcmi.c')
| -rw-r--r-- | drivers/media/platform/stm32/stm32-dcmi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index 693415cf8518..b63d57cd89e5 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -97,6 +97,8 @@ enum state { #define TIMEOUT_MS 1000 +#define OVERRUN_ERROR_THRESHOLD 3 + struct dcmi_graph_entity { struct device_node *node; @@ -446,11 +448,13 @@ static irqreturn_t dcmi_irq_thread(int irq, void *arg) spin_lock_irq(&dcmi->irqlock); - if ((dcmi->misr & IT_OVR) || (dcmi->misr & IT_ERR)) { - dcmi->errors_count++; - if (dcmi->misr & IT_OVR) - dcmi->overrun_count++; + if (dcmi->misr & IT_OVR) { + dcmi->overrun_count++; + if (dcmi->overrun_count > OVERRUN_ERROR_THRESHOLD) + dcmi->errors_count++; } + if (dcmi->misr & IT_ERR) + dcmi->errors_count++; if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG && dcmi->misr & IT_FRAME) { |