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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-30 11:08:53 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-30 11:08:53 +0400 |
commit | 664a41b8a91bf78a01a751e15175e0008977685a (patch) | |
tree | d9dc15c83400ad2dfb430ff27ae3e7fdc9395856 /drivers/media/video/omap3isp/ispccp2.c | |
parent | 983236b5741e557451f3ed4ec5ebf1f62a5b2c15 (diff) | |
parent | ee2ce3a0b43d14d792d34cf88e7bc2091096744b (diff) | |
download | linux-664a41b8a91bf78a01a751e15175e0008977685a.tar.xz |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (430 commits)
[media] ir-mce_kbd-decoder: include module.h for its facilities
[media] ov5642: include module.h for its facilities
[media] em28xx: Fix DVB-C maxsize for em2884
[media] tda18271c2dd: Fix saw filter configuration for DVB-C @6MHz
[media] v4l: mt9v032: Fix Bayer pattern
[media] V4L: mt9m111: rewrite set_pixfmt
[media] V4L: mt9m111: fix missing return value check mt9m111_reg_clear
[media] V4L: initial driver for ov5642 CMOS sensor
[media] V4L: sh_mobile_ceu_camera: fix Oops when USERPTR mapping fails
[media] V4L: soc-camera: remove soc-camera bus and devices on it
[media] V4L: soc-camera: un-export the soc-camera bus
[media] V4L: sh_mobile_csi2: switch away from using the soc-camera bus notifier
[media] V4L: add media bus configuration subdev operations
[media] V4L: soc-camera: group struct field initialisations together
[media] V4L: soc-camera: remove now unused soc-camera specific PM hooks
[media] V4L: pxa-camera: switch to using standard PM hooks
[media] NetUP Dual DVB-T/C CI RF: force card hardware revision by module param
[media] Don't OOPS if videobuf_dvb_get_frontend return NULL
[media] NetUP Dual DVB-T/C CI RF: load firmware according card revision
[media] omap3isp: Support configurable HS/VS polarities
...
Fix up conflicts:
- arch/arm/mach-omap2/board-rx51-peripherals.c:
cleanup regulator supply definitions in mach-omap2
vs
OMAP3: RX-51: define vdds_csib regulator supply
- drivers/staging/tm6000/tm6000-alsa.c (trivial)
Diffstat (limited to 'drivers/media/video/omap3isp/ispccp2.c')
-rw-r--r-- | drivers/media/video/omap3isp/ispccp2.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/media/video/omap3isp/ispccp2.c b/drivers/media/video/omap3isp/ispccp2.c index 0e16cab8e089..ec9e395f3339 100644 --- a/drivers/media/video/omap3isp/ispccp2.c +++ b/drivers/media/video/omap3isp/ispccp2.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/uaccess.h> +#include <linux/regulator/consumer.h> #include "isp.h" #include "ispreg.h" @@ -163,6 +164,9 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable) struct isp_pipeline *pipe = to_isp_pipeline(&ccp2->subdev.entity); int i; + if (enable && ccp2->vdds_csib) + regulator_enable(ccp2->vdds_csib); + /* Enable/Disable all the LCx channels */ for (i = 0; i < CCP2_LCx_CHANS_NUM; i++) isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(i), @@ -186,6 +190,9 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable) ISPCCP2_LC01_IRQENABLE, ISPCCP2_LC01_IRQSTATUS_LC0_FS_IRQ); } + + if (!enable && ccp2->vdds_csib) + regulator_disable(ccp2->vdds_csib); } /* @@ -1137,6 +1144,9 @@ error: */ void omap3isp_ccp2_cleanup(struct isp_device *isp) { + struct isp_ccp2_device *ccp2 = &isp->isp_ccp2; + + regulator_put(ccp2->vdds_csib); } /* @@ -1151,14 +1161,27 @@ int omap3isp_ccp2_init(struct isp_device *isp) init_waitqueue_head(&ccp2->wait); - /* On the OMAP36xx, the CCP2 uses the CSI PHY1 or PHY2, shared with + /* + * On the OMAP34xx the CSI1 receiver is operated in the CSIb IO + * complex, which is powered by vdds_csib power rail. Hence the + * request for the regulator. + * + * On the OMAP36xx, the CCP2 uses the CSI PHY1 or PHY2, shared with * the CSI2c or CSI2a receivers. The PHY then needs to be explicitly * configured. * * TODO: Don't hardcode the usage of PHY1 (shared with CSI2c). */ - if (isp->revision == ISP_REVISION_15_0) + if (isp->revision == ISP_REVISION_2_0) { + ccp2->vdds_csib = regulator_get(isp->dev, "vdds_csib"); + if (IS_ERR(ccp2->vdds_csib)) { + dev_dbg(isp->dev, + "Could not get regulator vdds_csib\n"); + ccp2->vdds_csib = NULL; + } + } else if (isp->revision == ISP_REVISION_15_0) { ccp2->phy = &isp->isp_csiphy1; + } ret = ccp2_init_entities(ccp2); if (ret < 0) |