diff options
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-is-regs.c')
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-is-regs.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c index 2628733c4e10..cfe4406a83ff 100644 --- a/drivers/media/platform/exynos4-is/fimc-is-regs.c +++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c @@ -105,6 +105,20 @@ int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num_args) return 0; } +void fimc_is_hw_set_isp_buf_mask(struct fimc_is *is, unsigned int mask) +{ + if (hweight32(mask) == 1) { + dev_err(&is->pdev->dev, "%s(): not enough buffers (mask %#x)\n", + __func__, mask); + return; + } + + if (mcuctl_read(is, MCUCTL_REG_ISSR(23)) != 0) + dev_dbg(&is->pdev->dev, "non-zero DMA buffer mask\n"); + + mcuctl_write(mask, is, MCUCTL_REG_ISSR(23)); +} + void fimc_is_hw_set_sensor_num(struct fimc_is *is) { pr_debug("setting sensor index to: %d\n", is->sensor_index); @@ -112,7 +126,7 @@ void fimc_is_hw_set_sensor_num(struct fimc_is *is) mcuctl_write(IH_REPLY_DONE, is, MCUCTL_REG_ISSR(0)); mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1)); mcuctl_write(IHC_GET_SENSOR_NUM, is, MCUCTL_REG_ISSR(2)); - mcuctl_write(FIMC_IS_SENSOR_NUM, is, MCUCTL_REG_ISSR(3)); + mcuctl_write(FIMC_IS_SENSORS_NUM, is, MCUCTL_REG_ISSR(3)); } void fimc_is_hw_close_sensor(struct fimc_is *is, unsigned int index) |