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authorDafna Hirschfeld <dafna.hirschfeld@collabora.com>2020-02-07 09:59:48 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-02-24 17:41:42 +0100
commit0966f4e5a8a2acc9c1b7aaaa4e8b35bf947a53cd (patch)
tree88a5ad8f8e99a8b85360a775582daf6c720df5ac
parent100f720aabab3d5f58f67c508186041b3c797a9b (diff)
media: staging: rkisp1: change function to return void instead of int
There are functions that return int but actually return always 0. Change them to return void and then there is no need to check for error return value. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Acked-by: Helen Koike <helen.koike@collabora.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
-rw-r--r--drivers/staging/media/rkisp1/rkisp1-isp.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/staging/media/rkisp1/rkisp1-isp.c b/drivers/staging/media/rkisp1/rkisp1-isp.c
index c820a43634ac..5ff4475032ae 100644
--- a/drivers/staging/media/rkisp1/rkisp1-isp.c
+++ b/drivers/staging/media/rkisp1/rkisp1-isp.c
@@ -504,7 +504,7 @@ static int rkisp1_config_cif(struct rkisp1_device *rkisp1)
return 0;
}
-static int rkisp1_isp_stop(struct rkisp1_device *rkisp1)
+static void rkisp1_isp_stop(struct rkisp1_device *rkisp1)
{
u32 val;
@@ -540,8 +540,6 @@ static int rkisp1_isp_stop(struct rkisp1_device *rkisp1)
RKISP1_CIF_IRCL_MIPI_SW_RST | RKISP1_CIF_IRCL_ISP_SW_RST,
RKISP1_CIF_IRCL);
rkisp1_write(rkisp1, 0x0, RKISP1_CIF_IRCL);
-
- return 0;
}
static void rkisp1_config_clk(struct rkisp1_device *rkisp1)
@@ -555,7 +553,7 @@ static void rkisp1_config_clk(struct rkisp1_device *rkisp1)
rkisp1_write(rkisp1, val, RKISP1_CIF_ICCL);
}
-static int rkisp1_isp_start(struct rkisp1_device *rkisp1)
+static void rkisp1_isp_start(struct rkisp1_device *rkisp1)
{
struct rkisp1_sensor_async *sensor = rkisp1->active_sensor;
u32 val;
@@ -580,8 +578,6 @@ static int rkisp1_isp_start(struct rkisp1_device *rkisp1)
* the MIPI interface and before starting the sensor output.
*/
usleep_range(1000, 1200);
-
- return 0;
}
/* ----------------------------------------------------------------------------
@@ -940,9 +936,7 @@ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable)
int ret = 0;
if (!enable) {
- ret = rkisp1_isp_stop(rkisp1);
- if (ret)
- return ret;
+ rkisp1_isp_stop(rkisp1);
rkisp1_mipi_csi2_stop(rkisp1->active_sensor);
return 0;
}
@@ -965,9 +959,7 @@ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable)
if (ret)
return ret;
- ret = rkisp1_isp_start(rkisp1);
- if (ret)
- rkisp1_mipi_csi2_stop(rkisp1->active_sensor);
+ rkisp1_isp_start(rkisp1);
return ret;
}

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