diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 14:03:59 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 14:03:59 -0700 |
commit | cf2fa66055d718ae13e62451bb546505f63906a2 (patch) | |
tree | e206d3f04e74a34e9aa88d21af6c26eea21d4121 /drivers/media/radio/radio-terratec.c | |
parent | 4501a466f28788485604ee42641d7a5fe7258d16 (diff) | |
parent | 57f51dbc45f65f7ee1e8c8f77200bb8000e3e271 (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (313 commits)
V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards
V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default
V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default.
V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.
V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY
V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE
V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP
V4L/DVB (9179): S2API: frontend.h cleanup
V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO.
V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16
V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator.
V4L/DVB (9175): Remove NULL pointer in stb6000 driver.
V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator.
V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation
V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API.
V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.
V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod.
V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams.
V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote
V4L/DVB: v4l2-dev: remove duplicated #include
...
Diffstat (limited to 'drivers/media/radio/radio-terratec.c')
-rw-r--r-- | drivers/media/radio/radio-terratec.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c index 0876fecc5f2..0abb186a947 100644 --- a/drivers/media/radio/radio-terratec.c +++ b/drivers/media/radio/radio-terratec.c @@ -79,6 +79,7 @@ static spinlock_t lock; struct tt_device { + unsigned long in_use; int port; int curvol; unsigned long curfreq; @@ -220,8 +221,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -248,8 +248,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_drvdata(file); tt->curfreq = f->frequency; tt_setfreq(tt, tt->curfreq); @@ -259,8 +258,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = tt->curfreq; @@ -285,8 +283,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -305,8 +302,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -356,10 +352,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct tt_device terratec_unit; +static int terratec_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &terratec_unit.in_use) ? -EBUSY : 0; +} + +static int terratec_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &terratec_unit.in_use); + return 0; +} + static const struct file_operations terratec_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = terratec_exclusive_open, + .release = terratec_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, @@ -386,6 +393,7 @@ static struct video_device terratec_radio = { .name = "TerraTec ActiveRadio", .fops = &terratec_fops, .ioctl_ops = &terratec_ioctl_ops, + .release = video_device_release_empty, }; static int __init terratec_init(void) @@ -401,7 +409,7 @@ static int __init terratec_init(void) return -EBUSY; } - terratec_radio.priv=&terratec_unit; + video_set_drvdata(&terratec_radio, &terratec_unit); spin_lock_init(&lock); |