From 0e8025b9f6011a6bd69d01080d584bc95a89d02e Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 4 Sep 2012 11:59:31 -0300 Subject: [media] v4l2: make vidioc_s_audio const Write-only ioctls should have a const argument in the ioctl op. Do this conversion for vidioc_s_audio. Adding const for write-only ioctls was decided during the 2012 Media Workshop. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 26bf309..31b2826 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -3076,7 +3076,7 @@ static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a) return 0; } -static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +static int bttv_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { if (unlikely(a->index)) return -EINVAL; @@ -3480,7 +3480,7 @@ static int radio_s_tuner(struct file *file, void *priv, } static int radio_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { if (unlikely(a->index)) return -EINVAL; diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c index e9912db..ff31544 100644 --- a/drivers/media/pci/cx18/cx18-ioctl.c +++ b/drivers/media/pci/cx18/cx18-ioctl.c @@ -492,7 +492,7 @@ static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin) return cx18_get_audio_input(cx, vin->index, vin); } -static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout) +static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout) { struct cx18 *cx = fh2id(fh)->cx; diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c index 22f8e7f..8c4a9a5 100644 --- a/drivers/media/pci/cx23885/cx23885-video.c +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -1426,7 +1426,7 @@ static int vidioc_g_audinput(struct file *file, void *priv, } static int vidioc_s_audinput(struct file *file, void *priv, - struct v4l2_audio *i) + const struct v4l2_audio *i) { struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; if (i->index >= 2) diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 966abb4..99e35dd 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -784,7 +784,7 @@ static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin) return ivtv_get_audio_input(itv, vin->index, vin); } -static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout) +static int ivtv_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout) { struct ivtv *itv = fh2id(fh)->itv; diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index bac4386..135bfd8 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -2089,7 +2089,7 @@ static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a) return 0; } -static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { return 0; } @@ -2373,7 +2373,7 @@ static int radio_g_audio(struct file *file, void *priv, } static int radio_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return 0; } diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c index b520a45..91369da 100644 --- a/drivers/media/pci/saa7146/mxb.c +++ b/drivers/media/pci/saa7146/mxb.c @@ -646,7 +646,7 @@ static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; struct mxb *mxb = (struct mxb *)dev->ext_priv; diff --git a/drivers/media/pci/ttpci/av7110_v4l.c b/drivers/media/pci/ttpci/av7110_v4l.c index 1b2d151..730e906 100644 --- a/drivers/media/pci/ttpci/av7110_v4l.c +++ b/drivers/media/pci/ttpci/av7110_v4l.c @@ -526,7 +526,7 @@ static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) { struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; struct av7110 *av7110 = (struct av7110 *)dev->ext_priv; diff --git a/drivers/media/radio/radio-miropcm20.c b/drivers/media/radio/radio-miropcm20.c index 87c1ee1..11f76ed 100644 --- a/drivers/media/radio/radio-miropcm20.c +++ b/drivers/media/radio/radio-miropcm20.c @@ -197,7 +197,7 @@ static int vidioc_g_audio(struct file *file, void *priv, } static int vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return a->index ? -EINVAL : 0; } diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 8185d5f..227dcdb5 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -239,7 +239,7 @@ static int vidioc_g_audio(struct file *file, void *priv, } static int vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return a->index ? -EINVAL : 0; } diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c index 6b1fae3..efb05aa 100644 --- a/drivers/media/radio/radio-tea5764.c +++ b/drivers/media/radio/radio-tea5764.c @@ -448,7 +448,7 @@ static int vidioc_g_audio(struct file *file, void *priv, } static int vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { if (a->index != 0) return -EINVAL; diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c index 09fc560..5cf0777 100644 --- a/drivers/media/radio/radio-timb.c +++ b/drivers/media/radio/radio-timb.c @@ -85,7 +85,7 @@ static int timbradio_vidioc_g_audio(struct file *file, void *priv, } static int timbradio_vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return a->index ? -EINVAL : 0; } diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c index 71968a6..2d93354 100644 --- a/drivers/media/radio/radio-wl1273.c +++ b/drivers/media/radio/radio-wl1273.c @@ -1479,7 +1479,7 @@ static int wl1273_fm_vidioc_g_audio(struct file *file, void *priv, } static int wl1273_fm_vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *audio) + const struct v4l2_audio *audio) { struct wl1273_device *radio = video_get_drvdata(video_devdata(file)); diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index f816ea6..09585a9 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c @@ -258,7 +258,7 @@ static int fm_v4l2_vidioc_g_audio(struct file *file, void *priv, } static int fm_v4l2_vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *audio) + const struct v4l2_audio *audio) { if (audio->index != 0) return -EINVAL; diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index fa0fa9a..8705855 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -1465,7 +1465,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { struct au0828_fh *fh = priv; struct au0828_dev *dev = fh->dev; diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 790b28d..fedf785 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -1253,7 +1253,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { struct cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; @@ -2096,7 +2096,7 @@ static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) return 0; } -static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a) +static int radio_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) { return 0; } diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 78d6ebd..1e553d3 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1352,7 +1352,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; @@ -2087,7 +2087,7 @@ static int radio_s_tuner(struct file *file, void *priv, } static int radio_s_audio(struct file *file, void *fh, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return 0; } diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index 0e9e156..da6b779 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -677,7 +677,7 @@ static int vidioc_enumaudio(struct file *file, void *priv, } static int vidioc_s_audio(struct file *file, void *private_data, - struct v4l2_audio *audio) + const struct v4l2_audio *audio) { struct hdpvr_fh *fh = file->private_data; struct hdpvr_device *dev = fh->dev; diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c index f344aed..7a445b0 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c @@ -333,7 +333,7 @@ static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin) return 0; } -static int pvr2_s_audio(struct file *file, void *priv, struct v4l2_audio *vout) +static int pvr2_s_audio(struct file *file, void *priv, const struct v4l2_audio *vout) { if (vout->index) return -EINVAL; diff --git a/drivers/media/usb/tlg2300/pd-radio.c b/drivers/media/usb/tlg2300/pd-radio.c index 4fad1df..25eeb16 100644 --- a/drivers/media/usb/tlg2300/pd-radio.c +++ b/drivers/media/usb/tlg2300/pd-radio.c @@ -348,7 +348,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) { return vt->index > 0 ? -EINVAL : 0; } -static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *va) +static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *va) { return (va->index != 0) ? -EINVAL : 0; } diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c index bfbf9e5..1f448ac 100644 --- a/drivers/media/usb/tlg2300/pd-video.c +++ b/drivers/media/usb/tlg2300/pd-video.c @@ -1029,7 +1029,7 @@ static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) return 0; } -static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a) +static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) { return (0 == a->index) ? 0 : -EINVAL; } diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c index 45ed59c..4342cd4 100644 --- a/drivers/media/usb/tm6000/tm6000-video.c +++ b/drivers/media/usb/tm6000/tm6000-video.c @@ -1401,7 +1401,7 @@ static int radio_g_audio(struct file *file, void *priv, } static int radio_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) + const struct v4l2_audio *a) { return 0; } diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 8a43179..f67018e 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -684,7 +684,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) } static int vidioc_s_audio(struct file *file, void *fh, - struct v4l2_audio *a) + const struct v4l2_audio *a) { if (a->index) return -EINVAL; diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 3eef4de..babbe09 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -167,7 +167,7 @@ struct v4l2_ioctl_ops { int (*vidioc_g_audio) (struct file *file, void *fh, struct v4l2_audio *a); int (*vidioc_s_audio) (struct file *file, void *fh, - struct v4l2_audio *a); + const struct v4l2_audio *a); /* Audio out ioctls */ int (*vidioc_enumaudout) (struct file *file, void *fh, -- cgit v0.10.2