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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 18:08:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 18:11:41 -0700
commit4ef4327b30957a16619ac7d47c749465e62de8c3 (patch)
tree5c80e853f0d9eadd01b2019d03d2432334393c5e /drivers/media/video/mt9t031.c
parent3989203290fba6fdf6bc4825fbf6526e1bf17977 (diff)
parenta938b8c5be8fe5c28800c9cef4aa43d569aa57a8 (diff)
downloadblackbird-op-linux-4ef4327b30957a16619ac7d47c749465e62de8c3.tar.gz
blackbird-op-linux-4ef4327b30957a16619ac7d47c749465e62de8c3.zip
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (120 commits) cx231xx: Convert to snd_card_create() V4L/DVB (11440): PWC: fix build error when CONFIG_INPUT=m V4L/DVB (11439): UVC: uvc_status_cleanup(): undefined reference to `input_unregister_device' V4L/DVB (11438): au0828: fix Kconfig dependance V4L/DVB (11437): pvrusb2: Drop client_register/unregister stubs V4L/DVB (11436): radio-mr800: convert to to v4l2_device V4L/DVB (11435): dsbr100 radio: convert to to v4l2_device V4L/DVB: zr364xx: remove unused #include <version.h> V4L/DVB: usbvision: remove unused #include <version.h> V4L/DVB (11427): gspca - m5602: Minor cleanups V4L/DVB (11426): gspca - m5602: Don't touch hflip/vflip register on Read/Modify/Write V4L/DVB (11425): gspca - m5602: Move the vflip quirk to probe stage. V4L/DVB (11424): gspca - m5602-ov9650: Use the local ctrl cache. Adjust image on vflip. V4L/DVB (11423): gspca - m5602-ov9650: Add a disconnect hook, setup a ctrl cache ctrl. V4L/DVB (11422): gspca - m5602-ov9650: Replace a magic constant with a define V4L/DVB (11421): gspca - m5602-ov9650: Synthesize modesetting. V4L/DVB (11420): gspca - m5602: Improve error handling in the ov9650 driver V4L/DVB (11419): gspca - m5602-ov9650: Don't read exposure data from COM1. V4L/DVB (11418): gspca - m5602-ov9650: Auto white balancing is on by default V4L/DVB (11417): gspca - m5602-ov9650: Autogain is on by default ...
Diffstat (limited to 'drivers/media/video/mt9t031.c')
-rw-r--r--drivers/media/video/mt9t031.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index 23f9ce9d67ef..2b0927bfd217 100644
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -141,8 +141,19 @@ static int get_shutter(struct soc_camera_device *icd, u32 *data)
static int mt9t031_init(struct soc_camera_device *icd)
{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ struct soc_camera_link *icl = mt9t031->client->dev.platform_data;
int ret;
+ if (icl->power) {
+ ret = icl->power(&mt9t031->client->dev, 1);
+ if (ret < 0) {
+ dev_err(icd->vdev->parent,
+ "Platform failed to power-on the camera.\n");
+ return ret;
+ }
+ }
+
/* Disable chip output, synchronous option update */
ret = reg_write(icd, MT9T031_RESET, 1);
if (ret >= 0)
@@ -150,13 +161,23 @@ static int mt9t031_init(struct soc_camera_device *icd)
if (ret >= 0)
ret = reg_clear(icd, MT9T031_OUTPUT_CONTROL, 2);
+ if (ret < 0 && icl->power)
+ icl->power(&mt9t031->client->dev, 0);
+
return ret >= 0 ? 0 : -EIO;
}
static int mt9t031_release(struct soc_camera_device *icd)
{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ struct soc_camera_link *icl = mt9t031->client->dev.platform_data;
+
/* Disable the chip */
reg_clear(icd, MT9T031_OUTPUT_CONTROL, 2);
+
+ if (icl->power)
+ icl->power(&mt9t031->client->dev, 0);
+
return 0;
}
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