diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-04-10 13:23:05 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-14 22:50:31 +0400 |
| commit | a6f5635e63ffa02c30a22ea4af21f3daa1e98cdf (patch) | |
| tree | 48581b597f3ff45132d968db30d91cb0e1da5fa9 /drivers/media/platform/exynos4-is/fimc-is-regs.c | |
| parent | 4c8f0629f53bb198ed00c2c54cf80cc2be95acab (diff) | |
| download | linux-a6f5635e63ffa02c30a22ea4af21f3daa1e98cdf.tar.xz | |
[media] exynos4-is: Improve the ISP chain parameter count calculation
Instead of incrementing p_region_num field each time we set a bit
in the parameter mask calculate the number of bits set only when
this information is needed.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-is-regs.c')
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-is-regs.c | 3 |
1 files changed, 2 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 efb9da06052c..f59a289c530d 100644 --- a/drivers/media/platform/exynos4-is/fimc-is-regs.c +++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c @@ -80,6 +80,7 @@ int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is) int fimc_is_hw_set_param(struct fimc_is *is) { struct is_config_param *cfg = &is->cfg_param[is->scenario_id]; + unsigned int param_count = __get_pending_param_count(is); fimc_is_hw_wait_intmsr0_intmsd0(is); @@ -87,7 +88,7 @@ int fimc_is_hw_set_param(struct fimc_is *is) mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1)); mcuctl_write(is->scenario_id, is, MCUCTL_REG_ISSR(2)); - mcuctl_write(atomic_read(&cfg->p_region_num), is, MCUCTL_REG_ISSR(3)); + mcuctl_write(param_count, is, MCUCTL_REG_ISSR(3)); mcuctl_write(cfg->p_region_index1, is, MCUCTL_REG_ISSR(4)); mcuctl_write(cfg->p_region_index2, is, MCUCTL_REG_ISSR(5)); |