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-rw-r--r--drivers/media/radio/dsbr100.c381
-rw-r--r--drivers/media/radio/radio-aimslab.c2
-rw-r--r--drivers/media/radio/radio-cadet.c2
-rw-r--r--drivers/media/radio/radio-gemtek.c2
-rw-r--r--drivers/media/radio/radio-mr800.c123
-rw-r--r--drivers/media/radio/radio-rtrack2.c2
-rw-r--r--drivers/media/radio/radio-sf16fmi.c2
7 files changed, 386 insertions, 128 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index a5ca176a7b0..5474a22c1b2 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -1,5 +1,5 @@
-/* A driver for the D-Link DSB-R100 USB radio. The R100 plugs
- into both the USB and an analog audio input, so this thing
+/* A driver for the D-Link DSB-R100 USB radio and Gemtek USB Radio 21.
+ The device plugs into both the USB and an analog audio input, so this thing
only deals with initialisation and frequency setting, the
audio data has to be handled by a sound driver.
@@ -33,6 +33,10 @@
History:
+ Version 0.44:
+ Add suspend/resume functions, fix unplug of device,
+ a lot of cleanups and fixes by Alexey Klimov <klimov.linux@gmail.com>
+
Version 0.43:
Oliver Neukum: avoided DMA coherency issue
@@ -93,8 +97,8 @@
*/
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
-#define DRIVER_VERSION "v0.41"
-#define RADIO_VERSION KERNEL_VERSION(0,4,1)
+#define DRIVER_VERSION "v0.44"
+#define RADIO_VERSION KERNEL_VERSION(0, 4, 4)
static struct v4l2_queryctrl radio_qctrl[] = {
{
@@ -104,7 +108,27 @@ static struct v4l2_queryctrl radio_qctrl[] = {
.maximum = 1,
.default_value = 1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
- }
+ },
+/* HINT: the disabled controls are only here to satify kradio and such apps */
+ { .id = V4L2_CID_AUDIO_VOLUME,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_AUDIO_BALANCE,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_AUDIO_BASS,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_AUDIO_TREBLE,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_AUDIO_LOUDNESS,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
};
#define DRIVER_AUTHOR "Markus Demleitner <msdemlei@tucana.harvard.edu>"
@@ -125,12 +149,16 @@ devices, that would be 76 and 91. */
#define FREQ_MAX 108.0
#define FREQ_MUL 16000
+#define videodev_to_radio(d) container_of(d, struct dsbr100_device, videodev)
static int usb_dsbr100_probe(struct usb_interface *intf,
const struct usb_device_id *id);
static void usb_dsbr100_disconnect(struct usb_interface *intf);
static int usb_dsbr100_open(struct inode *inode, struct file *file);
static int usb_dsbr100_close(struct inode *inode, struct file *file);
+static int usb_dsbr100_suspend(struct usb_interface *intf,
+ pm_message_t message);
+static int usb_dsbr100_resume(struct usb_interface *intf);
static int radio_nr = -1;
module_param(radio_nr, int, 0);
@@ -138,8 +166,9 @@ module_param(radio_nr, int, 0);
/* Data for one (physical) device */
struct dsbr100_device {
struct usb_device *usbdev;
- struct video_device *videodev;
+ struct video_device videodev;
u8 *transfer_buffer;
+ struct mutex lock; /* buffer locking */
int curfreq;
int stereo;
int users;
@@ -147,7 +176,6 @@ struct dsbr100_device {
int muted;
};
-
static struct usb_device_id usb_dsbr100_device_table [] = {
{ USB_DEVICE(DSB100_VENDOR, DSB100_PRODUCT) },
{ } /* Terminating entry */
@@ -157,10 +185,14 @@ MODULE_DEVICE_TABLE (usb, usb_dsbr100_device_table);
/* USB subsystem interface */
static struct usb_driver usb_dsbr100_driver = {
- .name = "dsbr100",
- .probe = usb_dsbr100_probe,
- .disconnect = usb_dsbr100_disconnect,
- .id_table = usb_dsbr100_device_table,
+ .name = "dsbr100",
+ .probe = usb_dsbr100_probe,
+ .disconnect = usb_dsbr100_disconnect,
+ .id_table = usb_dsbr100_device_table,
+ .suspend = usb_dsbr100_suspend,
+ .resume = usb_dsbr100_resume,
+ .reset_resume = usb_dsbr100_resume,
+ .supports_autosuspend = 0,
};
/* Low-level device interface begins here */
@@ -168,95 +200,190 @@ static struct usb_driver usb_dsbr100_driver = {
/* switch on radio */
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 ||
- 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)
- return -1;
- radio->muted=0;
+ int retval;
+ int request;
+
+ mutex_lock(&radio->lock);
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = USB_REQ_GET_STATUS;
+ goto usb_control_msg_failed;
+ }
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = DSB100_ONOFF;
+ goto usb_control_msg_failed;
+ }
+
+ radio->muted = 0;
+ mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
-}
+usb_control_msg_failed:
+ mutex_unlock(&radio->lock);
+ dev_err(&radio->usbdev->dev,
+ "%s - usb_control_msg returned %i, request %i\n",
+ __func__, retval, request);
+ return retval;
+
+}
/* switch off radio */
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 ||
- 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)
- return -1;
- radio->muted=1;
+ int retval;
+ int request;
+
+ mutex_lock(&radio->lock);
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = USB_REQ_GET_STATUS;
+ goto usb_control_msg_failed;
+ }
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = DSB100_ONOFF;
+ goto usb_control_msg_failed;
+ }
+
+ radio->muted = 1;
+ mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
+
+usb_control_msg_failed:
+ mutex_unlock(&radio->lock);
+ dev_err(&radio->usbdev->dev,
+ "%s - usb_control_msg returned %i, request %i\n",
+ __func__, retval, request);
+ return retval;
+
}
/* 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)
{
+ int retval;
+ int request;
+
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 ||
- 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 ||
- 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) {
- radio->stereo = -1;
- return -1;
+ mutex_lock(&radio->lock);
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = DSB100_TUNE;
+ goto usb_control_msg_failed;
}
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = USB_REQ_GET_STATUS;
+ goto usb_control_msg_failed;
+ }
+
+ retval = 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);
+
+ if (retval < 0) {
+ request = USB_REQ_GET_STATUS;
+ goto usb_control_msg_failed;
+ }
+
radio->stereo = !((radio->transfer_buffer)[0] & 0x01);
+ mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
+
+usb_control_msg_failed:
+ radio->stereo = -1;
+ mutex_unlock(&radio->lock);
+ dev_err(&radio->usbdev->dev,
+ "%s - usb_control_msg returned %i, request %i\n",
+ __func__, retval, request);
+ return retval;
}
/* return the device status. This is, in effect, just whether it
sees a stereo signal or not. Pity. */
static void dsbr100_getstat(struct dsbr100_device *radio)
{
- if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
+ int retval;
+
+ mutex_lock(&radio->lock);
+
+ retval = 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);
+
+ if (retval < 0) {
radio->stereo = -1;
- else
+ dev_err(&radio->usbdev->dev,
+ "%s - usb_control_msg returned %i, request %i\n",
+ __func__, retval, USB_REQ_GET_STATUS);
+ } else {
radio->stereo = !(radio->transfer_buffer[0] & 0x01);
-}
+ }
+ mutex_unlock(&radio->lock);
+}
/* USB subsystem interface begins here */
-/* handle unplugging of the device, release data structures
-if nothing keeps us from doing it. If something is still
-keeping us busy, the release callback of v4l will take care
-of releasing it. */
+/*
+ * Handle unplugging of the device.
+ * We call video_unregister_device in any case.
+ * The last function called in this procedure is
+ * usb_dsbr100_video_device_release
+ */
static void usb_dsbr100_disconnect(struct usb_interface *intf)
{
struct dsbr100_device *radio = usb_get_intfdata(intf);
usb_set_intfdata (intf, NULL);
- if (radio) {
- video_unregister_device(radio->videodev);
- radio->videodev = NULL;
- if (radio->users) {
- kfree(radio->transfer_buffer);
- kfree(radio);
- } else {
- radio->removed = 1;
- }
- }
+
+ mutex_lock(&radio->lock);
+ radio->removed = 1;
+ mutex_unlock(&radio->lock);
+
+ video_unregister_device(&radio->videodev);
}
@@ -276,6 +403,10 @@ static int vidioc_g_tuner(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
if (v->index > 0)
return -EINVAL;
@@ -297,6 +428,12 @@ static int vidioc_g_tuner(struct file *file, void *priv,
static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
{
+ struct dsbr100_device *radio = video_drvdata(file);
+
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
if (v->index > 0)
return -EINVAL;
@@ -307,9 +444,15 @@ static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct dsbr100_device *radio = video_drvdata(file);
+ int retval;
+
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
radio->curfreq = f->frequency;
- if (dsbr100_setfreq(radio, radio->curfreq) == -1)
+ retval = dsbr100_setfreq(radio, radio->curfreq);
+ if (retval < 0)
dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
return 0;
}
@@ -319,6 +462,10 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
f->type = V4L2_TUNER_RADIO;
f->frequency = radio->curfreq;
return 0;
@@ -343,6 +490,10 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
ctrl->value = radio->muted;
@@ -355,17 +506,24 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct dsbr100_device *radio = video_drvdata(file);
+ int retval;
+
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
if (ctrl->value) {
- if (dsbr100_stop(radio) == -1) {
+ retval = dsbr100_stop(radio);
+ if (retval < 0) {
dev_warn(&radio->usbdev->dev,
"Radio did not respond properly\n");
return -EBUSY;
}
} else {
- if (dsbr100_start(radio) == -1) {
+ retval = dsbr100_start(radio);
+ if (retval < 0) {
dev_warn(&radio->usbdev->dev,
"Radio did not respond properly\n");
return -EBUSY;
@@ -417,7 +575,8 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
radio->users = 1;
radio->muted = 1;
- if (dsbr100_start(radio) < 0) {
+ retval = dsbr100_start(radio);
+ if (retval < 0) {
dev_warn(&radio->usbdev->dev,
"Radio did not start up properly\n");
radio->users = 0;
@@ -426,9 +585,9 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
}
retval = dsbr100_setfreq(radio, radio->curfreq);
-
- if (retval == -1)
- printk(KERN_WARNING KBUILD_MODNAME ": Set frequency failed\n");
+ if (retval < 0)
+ dev_warn(&radio->usbdev->dev,
+ "set frequency failed\n");
unlock_kernel();
return 0;
@@ -437,17 +596,62 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
static int usb_dsbr100_close(struct inode *inode, struct file *file)
{
struct dsbr100_device *radio = video_drvdata(file);
+ int retval;
if (!radio)
return -ENODEV;
+
radio->users = 0;
- if (radio->removed) {
- kfree(radio->transfer_buffer);
- kfree(radio);
+ if (!radio->removed) {
+ retval = dsbr100_stop(radio);
+ if (retval < 0) {
+ dev_warn(&radio->usbdev->dev,
+ "dsbr100_stop failed\n");
+ }
+
}
return 0;
}
+/* Suspend device - stop device. */
+static int usb_dsbr100_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct dsbr100_device *radio = usb_get_intfdata(intf);
+ int retval;
+
+ retval = dsbr100_stop(radio);
+ if (retval < 0)
+ dev_warn(&intf->dev, "dsbr100_stop failed\n");
+
+ dev_info(&intf->dev, "going into suspend..\n");
+
+ return 0;
+}
+
+/* Resume device - start device. */
+static int usb_dsbr100_resume(struct usb_interface *intf)
+{
+ struct dsbr100_device *radio = usb_get_intfdata(intf);
+ int retval;
+
+ retval = dsbr100_start(radio);
+ if (retval < 0)
+ dev_warn(&intf->dev, "dsbr100_start failed\n");
+
+ dev_info(&intf->dev, "coming out of suspend..\n");
+
+ return 0;
+}
+
+/* free data structures */
+static void usb_dsbr100_video_device_release(struct video_device *videodev)
+{
+ struct dsbr100_device *radio = videodev_to_radio(videodev);
+
+ kfree(radio->transfer_buffer);
+ kfree(radio);
+}
+
/* File system interface */
static const struct file_operations usb_dsbr100_fops = {
.owner = THIS_MODULE,
@@ -476,19 +680,19 @@ static const struct v4l2_ioctl_ops usb_dsbr100_ioctl_ops = {
};
/* V4L2 interface */
-static struct video_device dsbr100_videodev_template = {
+static struct video_device dsbr100_videodev_data = {
.name = "D-Link DSB-R 100",
.fops = &usb_dsbr100_fops,
.ioctl_ops = &usb_dsbr100_ioctl_ops,
- .release = video_device_release,
+ .release = usb_dsbr100_video_device_release,
};
-/* check if the device is present and register with v4l and
-usb if it is */
+/* check if the device is present and register with v4l and usb if it is */
static int usb_dsbr100_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct dsbr100_device *radio;
+ int retval;
radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL);
@@ -501,23 +705,18 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
kfree(radio);
return -ENOMEM;
}
- radio->videodev = video_device_alloc();
- if (!(radio->videodev)) {
- kfree(radio->transfer_buffer);
- kfree(radio);
- return -ENOMEM;
- }
- memcpy(radio->videodev, &dsbr100_videodev_template,
- sizeof(dsbr100_videodev_template));
+ mutex_init(&radio->lock);
+ radio->videodev = dsbr100_videodev_data;
+
radio->removed = 0;
radio->users = 0;
radio->usbdev = interface_to_usbdev(intf);
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");
- video_device_release(radio->videodev);
+ video_set_drvdata(&radio->videodev, radio);
+ retval = video_register_device(&radio->videodev, VFL_TYPE_RADIO, radio_nr);
+ if (retval < 0) {
+ dev_err(&intf->dev, "couldn't register video device\n");
kfree(radio->transfer_buffer);
kfree(radio);
return -EIO;
diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index 9305e958fc6..dd6d3dfcd7d 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -1,7 +1,7 @@
/* radiotrack (radioreveal) driver for Linux radio support
* (c) 1997 M. Kirkwood
* Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
- * Converted to new API by Alan Cox <Alan.Cox@linux.org>
+ * Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
*
* History:
diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index 0490a1fa999..bfd37f38b9a 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -23,7 +23,7 @@
* 2002-01-17 Adam Belay <ambx1@neo.rr.com>
* Updated to latest pnp code
*
- * 2003-01-31 Alan Cox <alan@redhat.com>
+ * 2003-01-31 Alan Cox <alan@lxorguk.ukuu.org.uk>
* Cleaned up locking, delay code, general odds and ends
*
* 2006-07-30 Hans J. Koch <koch@hjk-az.de>
diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c
index d131a5d3812..e13118da307 100644
--- a/drivers/media/radio/radio-gemtek.c
+++ b/drivers/media/radio/radio-gemtek.c
@@ -8,7 +8,7 @@
* RadioTrack II driver for Linux radio support (C) 1998 Ben Pfaff
*
* Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
- * Converted to new API by Alan Cox <Alan.Cox@linux.org>
+ * Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
*
* TODO: Allow for more than one of these foolish entities :-)
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 256cbeffdcb..e730eddb2bb 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -72,6 +72,11 @@ MODULE_LICENSE("GPL");
#define USB_AMRADIO_VENDOR 0x07ca
#define USB_AMRADIO_PRODUCT 0xb800
+/* dev_warn macro with driver name */
+#define MR800_DRIVER_NAME "radio-mr800"
+#define amradio_dev_warn(dev, fmt, arg...) \
+ dev_warn(dev, MR800_DRIVER_NAME " - " fmt, ##arg)
+
/* Probably USB_TIMEOUT should be modified in module parameter */
#define BUFFER_LENGTH 8
#define USB_TIMEOUT 500
@@ -154,14 +159,14 @@ MODULE_DEVICE_TABLE(usb, usb_amradio_device_table);
/* USB subsystem interface */
static struct usb_driver usb_amradio_driver = {
- .name = "radio-mr800",
+ .name = MR800_DRIVER_NAME,
.probe = usb_amradio_probe,
.disconnect = usb_amradio_disconnect,
.suspend = usb_amradio_suspend,
.resume = usb_amradio_resume,
.reset_resume = usb_amradio_resume,
.id_table = usb_amradio_device_table,
- .supports_autosuspend = 1,
+ .supports_autosuspend = 0,
};
/* switch on radio. Send 8 bytes to device. */
@@ -202,6 +207,10 @@ static int amradio_stop(struct amradio_device *radio)
int retval;
int size;
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
mutex_lock(&radio->lock);
radio->buffer[0] = 0x00;
@@ -235,6 +244,10 @@ static int amradio_setfreq(struct amradio_device *radio, int freq)
int size;
unsigned short freq_send = 0x13 + (freq >> 3) / 25;
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
mutex_lock(&radio->lock);
radio->buffer[0] = 0x00;
@@ -288,18 +301,12 @@ static void usb_amradio_disconnect(struct usb_interface *intf)
{
struct amradio_device *radio = usb_get_intfdata(intf);
- usb_set_intfdata(intf, NULL);
+ mutex_lock(&radio->lock);
+ radio->removed = 1;
+ mutex_unlock(&radio->lock);
- if (radio) {
- video_unregister_device(radio->videodev);
- radio->videodev = NULL;
- if (radio->users) {
- kfree(radio->buffer);
- kfree(radio);
- } else {
- radio->removed = 1;
- }
- }
+ usb_set_intfdata(intf, NULL);
+ video_unregister_device(radio->videodev);
}
/* vidioc_querycap - query device capabilities */
@@ -320,6 +327,10 @@ static int vidioc_g_tuner(struct file *file, void *priv,
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
if (v->index > 0)
return -EINVAL;
@@ -346,6 +357,12 @@ static int vidioc_g_tuner(struct file *file, void *priv,
static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
{
+ struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
if (v->index > 0)
return -EINVAL;
return 0;
@@ -357,9 +374,14 @@ static int vidioc_s_frequency(struct file *file, void *priv,
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
radio->curfreq = f->frequency;
if (amradio_setfreq(radio, radio->curfreq) < 0)
- warn("Set frequency failed");
+ amradio_dev_warn(&radio->videodev->dev,
+ "set frequency failed\n");
return 0;
}
@@ -369,6 +391,10 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
f->type = V4L2_TUNER_RADIO;
f->frequency = radio->curfreq;
return 0;
@@ -382,8 +408,7 @@ 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;
}
}
@@ -396,6 +421,10 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
ctrl->value = radio->muted;
@@ -410,16 +439,22 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ /* safety check */
+ if (radio->removed)
+ return -EIO;
+
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
if (ctrl->value) {
if (amradio_stop(radio) < 0) {
- warn("amradio_stop() failed");
+ amradio_dev_warn(&radio->videodev->dev,
+ "amradio_stop failed\n");
return -1;
}
} else {
if (amradio_start(radio) < 0) {
- warn("amradio_start() failed");
+ amradio_dev_warn(&radio->videodev->dev,
+ "amradio_start failed\n");
return -1;
}
}
@@ -475,30 +510,38 @@ static int usb_amradio_open(struct inode *inode, struct file *file)
radio->muted = 1;
if (amradio_start(radio) < 0) {
- warn("Radio did not start up properly");
+ amradio_dev_warn(&radio->videodev->dev,
+ "radio did not start up properly\n");
radio->users = 0;
unlock_kernel();
return -EIO;
}
if (amradio_setfreq(radio, radio->curfreq) < 0)
- warn("Set frequency failed");
+ amradio_dev_warn(&radio->videodev->dev,
+ "set frequency failed\n");
unlock_kernel();
return 0;
}
-/*close device - free driver structures */
+/*close device */
static int usb_amradio_close(struct inode *inode, struct file *file)
{
struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+ int retval;
if (!radio)
return -ENODEV;
+
radio->users = 0;
- if (radio->removed) {
- kfree(radio->buffer);
- kfree(radio);
+
+ if (!radio->removed) {
+ retval = amradio_stop(radio);
+ if (retval < 0)
+ amradio_dev_warn(&radio->videodev->dev,
+ "amradio_stop failed\n");
}
+
return 0;
}
@@ -508,9 +551,9 @@ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message)
struct amradio_device *radio = usb_get_intfdata(intf);
if (amradio_stop(radio) < 0)
- warn("amradio_stop() failed");
+ dev_warn(&intf->dev, "amradio_stop failed\n");
- info("radio-mr800: Going into suspend..");
+ dev_info(&intf->dev, "going into suspend..\n");
return 0;
}
@@ -521,9 +564,9 @@ static int usb_amradio_resume(struct usb_interface *intf)
struct amradio_device *radio = usb_get_intfdata(intf);
if (amradio_start(radio) < 0)
- warn("amradio_start() failed");
+ dev_warn(&intf->dev, "amradio_start failed\n");
- info("radio-mr800: Coming out of suspend..");
+ dev_info(&intf->dev, "coming out of suspend..\n");
return 0;
}
@@ -555,12 +598,24 @@ static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = {
.vidioc_s_input = vidioc_s_input,
};
+static void usb_amradio_device_release(struct video_device *videodev)
+{
+ struct amradio_device *radio = video_get_drvdata(videodev);
+
+ /* we call v4l to free radio->videodev */
+ video_device_release(videodev);
+
+ /* free rest memory */
+ kfree(radio->buffer);
+ kfree(radio);
+}
+
/* V4L2 interface */
static struct video_device amradio_videodev_template = {
.name = "AverMedia MR 800 USB FM Radio",
.fops = &usb_amradio_fops,
.ioctl_ops = &usb_amradio_ioctl_ops,
- .release = video_device_release,
+ .release = usb_amradio_device_release,
};
/* check if the device is present and register with v4l and
@@ -602,7 +657,7 @@ static int usb_amradio_probe(struct usb_interface *intf,
video_set_drvdata(radio->videodev, radio);
if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) {
- warn("Could not register video device");
+ dev_warn(&intf->dev, "could not register video device\n");
video_device_release(radio->videodev);
kfree(radio->buffer);
kfree(radio);
@@ -617,9 +672,13 @@ static int __init amradio_init(void)
{
int retval = usb_register(&usb_amradio_driver);
- info(DRIVER_VERSION " " DRIVER_DESC);
+ pr_info(KBUILD_MODNAME
+ ": version " DRIVER_VERSION " " DRIVER_DESC "\n");
+
if (retval)
- err("usb_register failed. Error number %d", retval);
+ pr_err(KBUILD_MODNAME
+ ": usb_register failed. Error number %d\n", retval);
+
return retval;
}
diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c
index a6707977741..7704f243b6f 100644
--- a/drivers/media/radio/radio-rtrack2.c
+++ b/drivers/media/radio/radio-rtrack2.c
@@ -1,7 +1,7 @@
/* RadioTrack II driver for Linux radio support (C) 1998 Ben Pfaff
*
* Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
- * Converted to new API by Alan Cox <Alan.Cox@linux.org>
+ * Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
*
* TODO: Allow for more than one of these foolish entities :-)
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 329c90bddad..834d43651c7 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -3,7 +3,7 @@
* (c) 1997 M. Kirkwood
* (c) 1998 Petr Vandrovec, vandrove@vc.cvut.cz
*
- * Fitted to new interface by Alan Cox <alan.cox@linux.org>
+ * Fitted to new interface by Alan Cox <alan@lxorguk.ukuu.org.uk>
* Made working and cleaned up functions <mikael.hedin@irf.se>
* Support for ISAPnP by Ladislav Michl <ladis@psi.cz>
*
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 22:43:39 +0000