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path: root/drivers/media/radio/dsbr100.c
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Diffstat (limited to 'drivers/media/radio/dsbr100.c')
-rw-r--r--drivers/media/radio/dsbr100.c62
1 files changed, 37 insertions, 25 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 78f56944e64..a5ca176a7b0 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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 14:48:23 +0000