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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-15 06:10:40 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-24 06:47:00 -0300
commit314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch)
tree871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/pci/ivtv
parent2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff)
downloadvexpress-lsk-314527acbbb3f33f72c2ef19d8cfabcada9912a5.tar.gz
[media] v4l2: pass std by value to the write-only s_std ioctl
This ioctl is defined as IOW, so pass the argument by value instead of by reference. I could have chosen to add const instead, but this is 1) easier to handle in drivers and 2) consistent with the s_std subdev operation. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/ivtv')
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c4
-rw-r--r--drivers/media/pci/ivtv/ivtv-firmware.c4
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.c18
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.h4
4 files changed, 15 insertions, 15 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index 2928e7287da..07b8460953b 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -1387,7 +1387,7 @@ int ivtv_init_on_first_open(struct ivtv *itv)
if (!itv->has_cx23415)
write_reg_sync(0x03, IVTV_REG_DMACONTROL);
- ivtv_s_std_enc(itv, &itv->tuner_std);
+ ivtv_s_std_enc(itv, itv->tuner_std);
/* Default interrupts enabled. For the PVR350 this includes the
decoder VSYNC interrupt, which is always on. It is not only used
@@ -1397,7 +1397,7 @@ int ivtv_init_on_first_open(struct ivtv *itv)
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
ivtv_set_osd_alpha(itv);
- ivtv_s_std_dec(itv, &itv->tuner_std);
+ ivtv_s_std_dec(itv, itv->tuner_std);
} else {
ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
}
diff --git a/drivers/media/pci/ivtv/ivtv-firmware.c b/drivers/media/pci/ivtv/ivtv-firmware.c
index 68387d4369d..ed73edd2bcd 100644
--- a/drivers/media/pci/ivtv/ivtv-firmware.c
+++ b/drivers/media/pci/ivtv/ivtv-firmware.c
@@ -302,7 +302,7 @@ static int ivtv_firmware_restart(struct ivtv *itv)
/* Restore encoder video standard */
std = itv->std;
itv->std = 0;
- ivtv_s_std_enc(itv, &std);
+ ivtv_s_std_enc(itv, std);
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
ivtv_init_mpeg_decoder(itv);
@@ -310,7 +310,7 @@ static int ivtv_firmware_restart(struct ivtv *itv)
/* Restore decoder video standard */
std = itv->std_out;
itv->std_out = 0;
- ivtv_s_std_dec(itv, &std);
+ ivtv_s_std_dec(itv, std);
/* Restore framebuffer if active */
if (itv->ivtvfb_restore)
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 852f11e0d63..080f179070a 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -1103,10 +1103,10 @@ static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
return 0;
}
-void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std)
+void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id std)
{
- itv->std = *std;
- itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
+ itv->std = std;
+ itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
itv->is_50hz = !itv->is_60hz;
cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
itv->cxhdl.width = 720;
@@ -1122,15 +1122,15 @@ void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std)
ivtv_call_all(itv, core, s_std, itv->std);
}
-void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std)
+void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id std)
{
struct yuv_playback_info *yi = &itv->yuv_info;
DEFINE_WAIT(wait);
int f;
/* set display standard */
- itv->std_out = *std;
- itv->is_out_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
+ itv->std_out = std;
+ itv->is_out_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
itv->is_out_50hz = !itv->is_out_60hz;
ivtv_call_all(itv, video, s_std_output, itv->std_out);
@@ -1168,14 +1168,14 @@ void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std)
}
}
-static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
+static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id std)
{
struct ivtv *itv = fh2id(fh)->itv;
- if ((*std & V4L2_STD_ALL) == 0)
+ if ((std & V4L2_STD_ALL) == 0)
return -EINVAL;
- if (*std == itv->std)
+ if (std == itv->std)
return 0;
if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.h b/drivers/media/pci/ivtv/ivtv-ioctl.h
index 34c6bc132eb..75c39775611 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.h
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.h
@@ -27,8 +27,8 @@ u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt);
void ivtv_set_osd_alpha(struct ivtv *itv);
int ivtv_set_speed(struct ivtv *itv, int speed);
void ivtv_set_funcs(struct video_device *vdev);
-void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std);
-void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std);
+void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id std);
+void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id std);
int ivtv_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf);
int ivtv_s_input(struct file *file, void *fh, unsigned int inp);