diff options
| author | Prathyush K <prathyush.k@samsung.com> | 2013-08-07 15:53:04 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-18 16:25:41 +0400 |
| commit | f9fa906f00388bf326d010f36bc905cbd0b6554f (patch) | |
| tree | 5fd66abbabd067247e675a2cad399348c6f924be /drivers/media/platform/exynos-gsc | |
| parent | ae796c78684c1679b82eaafcd236d6fc1de099a2 (diff) | |
| download | linux-f9fa906f00388bf326d010f36bc905cbd0b6554f.tar.xz | |
[media] exynos-gsc: fix s2r functionality
When gsc is in runtime suspended state, there is no need to call
m2m_suspend during suspend and similarly, there is no need to call
m2m_resume during resume if already in runtime suspended state. This
patch adds the necessary conditions to achieve this.
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Arun Mankuzhi <arun.m@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform/exynos-gsc')
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 559fab2a2d67..fe69eaeb907a 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1210,12 +1210,12 @@ static int gsc_resume(struct device *dev) spin_unlock_irqrestore(&gsc->slock, flags); return 0; } - gsc_hw_set_sw_reset(gsc); - gsc_wait_reset(gsc); - spin_unlock_irqrestore(&gsc->slock, flags); - return gsc_m2m_resume(gsc); + if (!pm_runtime_suspended(dev)) + return gsc_runtime_resume(dev); + + return 0; } static int gsc_suspend(struct device *dev) @@ -1227,7 +1227,10 @@ static int gsc_suspend(struct device *dev) if (test_and_set_bit(ST_SUSPEND, &gsc->state)) return 0; - return gsc_m2m_suspend(gsc); + if (!pm_runtime_suspended(dev)) + return gsc_runtime_suspend(dev); + + return 0; } static const struct dev_pm_ops gsc_pm_ops = { |