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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2013-05-29 00:47:41 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-12 18:51:53 -0300
commitfe905b8cc992edd3d1f729f4a88c4701e7c3b774 (patch)
treeddff37606bf50f4d47b3f2215e00ddaa11bd10f7 /drivers/media/platform/omap3isp
parent7c0f812a5d65e712618af880dda4a5cc7ed79463 (diff)
[media] omap3isp: ccp2: Don't ignore the regulator_enable() return value
Check the return value and catch errors correctly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/omap3isp')
-rw-r--r--drivers/media/platform/omap3isp/ispccp2.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c
index 13982b0ab56..e71651429dd 100644
--- a/drivers/media/platform/omap3isp/ispccp2.c
+++ b/drivers/media/platform/omap3isp/ispccp2.c
@@ -158,13 +158,17 @@ static void ccp2_pwr_cfg(struct isp_ccp2_device *ccp2)
* @ccp2: pointer to ISP CCP2 device
* @enable: enable/disable flag
*/
-static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
+static int ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
{
struct isp_device *isp = to_isp_device(ccp2);
+ int ret;
int i;
- if (enable && ccp2->vdds_csib)
- regulator_enable(ccp2->vdds_csib);
+ if (enable && ccp2->vdds_csib) {
+ ret = regulator_enable(ccp2->vdds_csib);
+ if (ret < 0)
+ return ret;
+ }
/* Enable/Disable all the LCx channels */
for (i = 0; i < CCP2_LCx_CHANS_NUM; i++)
@@ -179,6 +183,8 @@ static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
if (!enable && ccp2->vdds_csib)
regulator_disable(ccp2->vdds_csib);
+
+ return 0;
}
/*
@@ -851,7 +857,12 @@ static int ccp2_s_stream(struct v4l2_subdev *sd, int enable)
ccp2_print_status(ccp2);
/* Enable CSI1/CCP2 interface */
- ccp2_if_enable(ccp2, 1);
+ ret = ccp2_if_enable(ccp2, 1);
+ if (ret < 0) {
+ if (ccp2->phy)
+ omap3isp_csiphy_release(ccp2->phy);
+ return ret;
+ }
break;
case ISP_PIPELINE_STREAM_SINGLESHOT: