diff options
| -rw-r--r-- | drivers/media/radio/radio-mr800.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 399032e..7db992d 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -85,6 +85,9 @@ MODULE_LICENSE("GPL"); #define amradio_dev_warn(dev, fmt, arg...) \ dev_warn(dev, MR800_DRIVER_NAME " - " fmt, ##arg) +#define amradio_dev_err(dev, fmt, arg...) \ + dev_err(dev, MR800_DRIVER_NAME " - " fmt, ##arg) + /* Probably USB_TIMEOUT should be modified in module parameter */ #define BUFFER_LENGTH 8 #define USB_TIMEOUT 500 @@ -137,6 +140,7 @@ struct amradio_device { int curfreq; int stereo; int muted; + int initialized; }; #define vdev_to_amradio(r) container_of(r, struct amradio_device, videodev) @@ -478,6 +482,31 @@ static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) return 0; } +static int usb_amradio_init(struct amradio_device *radio) +{ + int retval; + + retval = amradio_set_mute(radio, AMRADIO_STOP); + if (retval < 0) { + amradio_dev_warn(&radio->videodev.dev, "amradio_stop failed\n"); + goto out_err; + } + + retval = amradio_set_stereo(radio, WANT_STEREO); + if (retval < 0) { + amradio_dev_warn(&radio->videodev.dev, "set stereo failed\n"); + goto out_err; + } + + radio->initialized = 1; + goto out; + +out_err: + amradio_dev_err(&radio->videodev.dev, "initialization failed\n"); +out: + return retval; +} + /* open device - amradio_start() and amradio_setfreq() */ static int usb_amradio_open(struct file *file) { @@ -493,6 +522,9 @@ static int usb_amradio_open(struct file *file) file->private_data = radio; + if (unlikely(!radio->initialized)) + retval = usb_amradio_init(radio); + unlock: mutex_unlock(&radio->lock); return retval; @@ -641,8 +673,6 @@ static int usb_amradio_probe(struct usb_interface *intf, radio->usbdev = interface_to_usbdev(intf); radio->curfreq = 95.16 * FREQ_MUL; - radio->stereo = -1; - radio->muted = 1; mutex_init(&radio->lock); |
