diff options
Diffstat (limited to 'drivers/media/radio/dsbr100.c')
-rw-r--r-- | drivers/media/radio/dsbr100.c | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 78f56944e640..a5ca176a7b08 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -171,11 +171,11 @@ static int dsbr100_start(struct dsbr100_device *radio) if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), USB_REQ_GET_STATUS, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x00, 0xC7, radio->transfer_buffer, 8, 300)<0 || + 0x00, 0xC7, radio->transfer_buffer, 8, 300) < 0 || usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), DSB100_ONOFF, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x01, 0x00, radio->transfer_buffer, 8, 300)<0) + 0x01, 0x00, radio->transfer_buffer, 8, 300) < 0) return -1; radio->muted=0; return (radio->transfer_buffer)[0]; @@ -188,11 +188,11 @@ static int dsbr100_stop(struct dsbr100_device *radio) if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), USB_REQ_GET_STATUS, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x16, 0x1C, radio->transfer_buffer, 8, 300)<0 || + 0x16, 0x1C, radio->transfer_buffer, 8, 300) < 0 || usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), DSB100_ONOFF, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x00, 0x00, radio->transfer_buffer, 8, 300)<0) + 0x00, 0x00, radio->transfer_buffer, 8, 300) < 0) return -1; radio->muted=1; return (radio->transfer_buffer)[0]; @@ -201,24 +201,24 @@ static int dsbr100_stop(struct dsbr100_device *radio) /* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */ static int dsbr100_setfreq(struct dsbr100_device *radio, int freq) { - freq = (freq/16*80)/1000+856; + freq = (freq / 16 * 80) / 1000 + 856; if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), DSB100_TUNE, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - (freq>>8)&0x00ff, freq&0xff, - radio->transfer_buffer, 8, 300)<0 || + (freq >> 8) & 0x00ff, freq & 0xff, + radio->transfer_buffer, 8, 300) < 0 || usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), USB_REQ_GET_STATUS, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x96, 0xB7, radio->transfer_buffer, 8, 300)<0 || + 0x96, 0xB7, radio->transfer_buffer, 8, 300) < 0 || usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), USB_REQ_GET_STATUS, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x00, 0x24, radio->transfer_buffer, 8, 300)<0) { + 0x00, 0x24, radio->transfer_buffer, 8, 300) < 0) { radio->stereo = -1; return -1; } - radio->stereo = ! ((radio->transfer_buffer)[0]&0x01); + radio->stereo = !((radio->transfer_buffer)[0] & 0x01); return (radio->transfer_buffer)[0]; } @@ -229,10 +229,10 @@ static void dsbr100_getstat(struct dsbr100_device *radio) if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), USB_REQ_GET_STATUS, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x00 , 0x24, radio->transfer_buffer, 8, 300)<0) + 0x00 , 0x24, radio->transfer_buffer, 8, 300) < 0) radio->stereo = -1; else - radio->stereo = ! (radio->transfer_buffer[0]&0x01); + radio->stereo = !(radio->transfer_buffer[0] & 0x01); } @@ -265,7 +265,7 @@ static int vidioc_querycap(struct file *file, void *priv, { strlcpy(v->driver, "dsbr100", sizeof(v->driver)); strlcpy(v->card, "D-Link R-100 USB FM Radio", sizeof(v->card)); - sprintf(v->bus_info, "ISA"); + sprintf(v->bus_info, "USB"); v->version = RADIO_VERSION; v->capabilities = V4L2_CAP_TUNER; return 0; @@ -282,9 +282,9 @@ static int vidioc_g_tuner(struct file *file, void *priv, dsbr100_getstat(radio); strcpy(v->name, "FM"); v->type = V4L2_TUNER_RADIO; - v->rangelow = FREQ_MIN*FREQ_MUL; - v->rangehigh = FREQ_MAX*FREQ_MUL; - v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO; + v->rangelow = FREQ_MIN * FREQ_MUL; + v->rangehigh = FREQ_MAX * FREQ_MUL; + v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; v->capability = V4L2_TUNER_CAP_LOW; if(radio->stereo) v->audmode = V4L2_TUNER_MODE_STEREO; @@ -309,7 +309,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct dsbr100_device *radio = video_drvdata(file); radio->curfreq = f->frequency; - if (dsbr100_setfreq(radio, radio->curfreq)==-1) + if (dsbr100_setfreq(radio, radio->curfreq) == -1) dev_warn(&radio->usbdev->dev, "Set frequency failed\n"); return 0; } @@ -331,8 +331,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { if (qc->id && qc->id == radio_qctrl[i].id) { - memcpy(qc, &(radio_qctrl[i]), - sizeof(*qc)); + memcpy(qc, &(radio_qctrl[i]), sizeof(*qc)); return 0; } } @@ -412,19 +411,25 @@ static int vidioc_s_audio(struct file *file, void *priv, static int usb_dsbr100_open(struct inode *inode, struct file *file) { struct dsbr100_device *radio = video_drvdata(file); + int retval; lock_kernel(); radio->users = 1; radio->muted = 1; - if (dsbr100_start(radio)<0) { + if (dsbr100_start(radio) < 0) { dev_warn(&radio->usbdev->dev, "Radio did not start up properly\n"); radio->users = 0; unlock_kernel(); return -EIO; } - dsbr100_setfreq(radio, radio->curfreq); + + retval = dsbr100_setfreq(radio, radio->curfreq); + + if (retval == -1) + printk(KERN_WARNING KBUILD_MODNAME ": Set frequency failed\n"); + unlock_kernel(); return 0; } @@ -485,13 +490,20 @@ static int usb_dsbr100_probe(struct usb_interface *intf, { struct dsbr100_device *radio; - if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL))) + radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL); + + if (!radio) return -ENOMEM; - if (!(radio->transfer_buffer = kmalloc(TB_LEN, GFP_KERNEL))) { + + radio->transfer_buffer = kmalloc(TB_LEN, GFP_KERNEL); + + if (!(radio->transfer_buffer)) { kfree(radio); return -ENOMEM; } - if (!(radio->videodev = video_device_alloc())) { + radio->videodev = video_device_alloc(); + + if (!(radio->videodev)) { kfree(radio->transfer_buffer); kfree(radio); return -ENOMEM; @@ -501,7 +513,7 @@ static int usb_dsbr100_probe(struct usb_interface *intf, radio->removed = 0; radio->users = 0; radio->usbdev = interface_to_usbdev(intf); - radio->curfreq = FREQ_MIN*FREQ_MUL; + radio->curfreq = FREQ_MIN * FREQ_MUL; video_set_drvdata(radio->videodev, radio); if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr) < 0) { dev_warn(&intf->dev, "Could not register video device\n"); |