diff options
Diffstat (limited to 'drivers/media/usb/usbvision/usbvision-video.c')
| -rw-r--r-- | drivers/media/usb/usbvision/usbvision-video.c | 71 |
1 files changed, 9 insertions, 62 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 1c6d31f7c1b9..1355b5d12f19 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -122,8 +122,6 @@ static void usbvision_release(struct usb_usbvision *usbvision); static int isoc_mode = ISOC_MODE_COMPRESS; /* Set the default Debug Mode of the device driver */ static int video_debug; -/* Set the default device to power on at startup */ -static int power_on_at_open = 1; /* Sequential Number of Video Device */ static int video_nr = -1; /* Sequential Number of Radio Device */ @@ -134,13 +132,11 @@ static int radio_nr = -1; /* Showing parameters under SYSFS */ module_param(isoc_mode, int, 0444); module_param(video_debug, int, 0444); -module_param(power_on_at_open, int, 0444); module_param(video_nr, int, 0444); module_param(radio_nr, int, 0444); MODULE_PARM_DESC(isoc_mode, " Set the default format for ISOC endpoint. Default: 0x60 (Compression On)"); MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver. Default: 0 (Off)"); -MODULE_PARM_DESC(power_on_at_open, " Set the default device to power on when device is opened. Default: 1 (On)"); MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX). Default: -1 (autodetect)"); MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)"); @@ -351,11 +347,10 @@ static int usbvision_v4l2_open(struct file *file) if (mutex_lock_interruptible(&usbvision->v4l2_lock)) return -ERESTARTSYS; - usbvision_reset_power_off_timer(usbvision); - if (usbvision->user) + if (usbvision->user) { err_code = -EBUSY; - else { + } else { /* Allocate memory for the scratch ring buffer */ err_code = usbvision_scratch_alloc(usbvision); if (isoc_mode == ISOC_MODE_COMPRESS) { @@ -372,11 +367,6 @@ static int usbvision_v4l2_open(struct file *file) /* If so far no errors then we shall start the camera */ if (!err_code) { - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } - /* Send init sequence only once, it's large! */ if (!usbvision->initialized) { int setup_ok = 0; @@ -392,18 +382,13 @@ static int usbvision_v4l2_open(struct file *file) err_code = usbvision_init_isoc(usbvision); /* device must be initialized before isoc transfer */ usbvision_muxsel(usbvision, 0); + + /* prepare queues */ + usbvision_empty_framequeues(usbvision); usbvision->user++; - } else { - if (power_on_at_open) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } } } - /* prepare queues */ - usbvision_empty_framequeues(usbvision); mutex_unlock(&usbvision->v4l2_lock); PDEBUG(DBG_IO, "success"); @@ -436,13 +421,6 @@ static int usbvision_v4l2_close(struct file *file) usbvision->user--; - if (power_on_at_open) { - /* power off in a little while - to avoid off/on every close/open short sequences */ - usbvision_set_power_off_timer(usbvision); - usbvision->initialized = 0; - } - if (usbvision->remove_pending) { printk(KERN_INFO "%s: Final disconnect\n", __func__); usbvision_release(usbvision); @@ -1173,14 +1151,6 @@ static int usbvision_radio_open(struct file *file) __func__); err_code = -EBUSY; } else { - if (power_on_at_open) { - usbvision_reset_power_off_timer(usbvision); - if (usbvision->power == 0) { - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } - } - /* Alternate interface 1 is is the biggest frame size */ err_code = usbvision_set_alternate(usbvision); if (err_code < 0) { @@ -1195,14 +1165,6 @@ static int usbvision_radio_open(struct file *file) usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO); usbvision->user++; } - - if (err_code) { - if (power_on_at_open) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - usbvision->initialized = 0; - } - } out: mutex_unlock(&usbvision->v4l2_lock); return err_code; @@ -1226,11 +1188,6 @@ static int usbvision_radio_close(struct file *file) usbvision->radio = 0; usbvision->user--; - if (power_on_at_open) { - usbvision_set_power_off_timer(usbvision); - usbvision->initialized = 0; - } - if (usbvision->remove_pending) { printk(KERN_INFO "%s: Final disconnect\n", __func__); usbvision_release(usbvision); @@ -1428,8 +1385,6 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev, goto err_unreg; init_waitqueue_head(&usbvision->ctrl_urb_wq); - usbvision_init_power_off_timer(usbvision); - return usbvision; err_unreg: @@ -1450,8 +1405,6 @@ static void usbvision_release(struct usb_usbvision *usbvision) { PDEBUG(DBG_PROBE, ""); - usbvision_reset_power_off_timer(usbvision); - usbvision->initialized = 0; usbvision_remove_sysfs(&usbvision->vdev); @@ -1495,11 +1448,9 @@ static void usbvision_configure_video(struct usb_usbvision *usbvision) /* first switch off audio */ if (usbvision_device_data[model].audio_channels > 0) usbvision_audio_off(usbvision); - if (!power_on_at_open) { - /* and then power up the noisy tuner */ - usbvision_power_on(usbvision); - usbvision_i2c_register(usbvision); - } + /* and then power up the tuner */ + usbvision_power_on(usbvision); + usbvision_i2c_register(usbvision); } /* @@ -1646,11 +1597,7 @@ static void usbvision_disconnect(struct usb_interface *intf) usbvision_stop_isoc(usbvision); v4l2_device_disconnect(&usbvision->v4l2_dev); - - if (usbvision->power) { - usbvision_i2c_unregister(usbvision); - usbvision_power_off(usbvision); - } + usbvision_i2c_unregister(usbvision); usbvision->remove_pending = 1; /* Now all ISO data will be ignored */ usb_put_dev(usbvision->dev); |