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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-05 11:55:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-05 11:55:59 -0700
commit27c053aa8d18d1fa7b83041e36bad20bcdf55514 (patch)
treec59dce17a248dd8f4757eca3823032334c626dcd /drivers/media/platform/exynos4-is/fimc-is-i2c.c
parenta09e9a7a4b907f2dfa9bdb2b98a1828ab4b340b2 (diff)
parentf66b2a1c7f2ae3fb0d5b67d07ab4f5055fd3cf16 (diff)
downloadlinux-27c053aa8d18d1fa7b83041e36bad20bcdf55514.tar.bz2
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: "This series contains: - Exynos s5p-mfc driver got support for VP8 encoder - Some SoC drivers gained support for asynchronous registration (needed for DT) - The RC subsystem gained support for RC activity LED; - New drivers added: a video decoder(adv7842), a video encoder (adv7511), a new GSPCA driver (stk1135) and support for Renesas R-Car (vsp1) - the first SDR kernel driver: mirics msi3101. Due to some troubles with the driver, and because the API is still under discussion, it will be merged at staging for 3.12. Need to rework on it - usual new boards additions, fixes, cleanups and driver improvements" * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (242 commits) [media] cx88: Fix regression: CX88_AUDIO_WM8775 can't be 0 [media] exynos4-is: Fix entity unregistration on error path [media] exynos-gsc: Register v4l2 device [media] exynos4-is: Fix fimc-lite bayer formats [media] em28xx: fix assignment of the eeprom data [media] hdpvr: fix iteration over uninitialized lists in hdpvr_probe() [media] usbtv: Throw corrupted frames away [media] usbtv: Fix deinterlacing [media] v4l2: added missing mutex.h include to v4l2-ctrls.h [media] DocBook: upgrade media_api DocBook version to 4.2 [media] ml86v7667: fix compile warning: 'ret' set but not used [media] s5p-g2d: Fix registration failure [media] media: coda: Fix DT driver data pointer for i.MX27 [media] s5p-mfc: Fix input/output format reporting [media] v4l: vsp1: Fix mutex double lock at streamon time [media] v4l: vsp1: Add support for RT clock [media] v4l: vsp1: Initialize media device bus_info field [media] davinci: vpif_capture: fix error return code in vpif_probe() [media] davinci: vpif_display: fix error return code in vpif_probe() [media] MAINTAINERS: add entries for adv7511 and adv7842 ...
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-is-i2c.c')
-rw-r--r--drivers/media/platform/exynos4-is/fimc-is-i2c.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-is-i2c.c b/drivers/media/platform/exynos4-is/fimc-is-i2c.c
index 993055605214..371cad4fcce9 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-i2c.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-i2c.c
@@ -81,21 +81,46 @@ static int fimc_is_i2c_remove(struct platform_device *pdev)
return 0;
}
-static int fimc_is_i2c_suspend(struct device *dev)
+#if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP)
+static int fimc_is_i2c_runtime_suspend(struct device *dev)
{
struct fimc_is_i2c *isp_i2c = dev_get_drvdata(dev);
+
clk_disable_unprepare(isp_i2c->clock);
return 0;
}
-static int fimc_is_i2c_resume(struct device *dev)
+static int fimc_is_i2c_runtime_resume(struct device *dev)
{
struct fimc_is_i2c *isp_i2c = dev_get_drvdata(dev);
+
return clk_prepare_enable(isp_i2c->clock);
}
+#endif
-static UNIVERSAL_DEV_PM_OPS(fimc_is_i2c_pm_ops, fimc_is_i2c_suspend,
- fimc_is_i2c_resume, NULL);
+#ifdef CONFIG_PM_SLEEP
+static int fimc_is_i2c_suspend(struct device *dev)
+{
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ return fimc_is_i2c_runtime_suspend(dev);
+}
+
+static int fimc_is_i2c_resume(struct device *dev)
+{
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ return fimc_is_i2c_runtime_resume(dev);
+}
+#endif
+
+static struct dev_pm_ops fimc_is_i2c_pm_ops = {
+ SET_RUNTIME_PM_OPS(fimc_is_i2c_runtime_suspend,
+ fimc_is_i2c_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(fimc_is_i2c_suspend, fimc_is_i2c_resume)
+};
static const struct of_device_id fimc_is_i2c_of_match[] = {
{ .compatible = FIMC_IS_I2C_COMPATIBLE },