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-rw-r--r--drivers/media/pci/cx88/cx88-alsa.c7
-rw-r--r--drivers/media/pci/cx88/cx88-video.c8
-rw-r--r--drivers/media/pci/zoran/zoran.h2
-rw-r--r--drivers/media/pci/zoran/zoran_driver.c15
4 files changed, 15 insertions, 17 deletions
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 27d62623274..aba5b1c649e 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -615,7 +615,7 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
int changed = 0;
u32 old;
- if (core->board.audio_chip == V4L2_IDENT_WM8775)
+ if (core->sd_wm8775)
snd_cx88_wm8775_volume_put(kcontrol, value);
left = value->value.integer.value[0] & 0x3f;
@@ -682,8 +682,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
vol ^= bit;
cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
/* Pass mute onto any WM8775 */
- if ((core->board.audio_chip == V4L2_IDENT_WM8775) &&
- ((1<<6) == bit))
+ if (core->sd_wm8775 && ((1<<6) == bit))
wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
ret = 1;
}
@@ -903,7 +902,7 @@ static int cx88_audio_initdev(struct pci_dev *pci,
goto error;
/* If there's a wm8775 then add a Line-In ALC switch */
- if (core->board.audio_chip == V4L2_IDENT_WM8775)
+ if (core->sd_wm8775)
snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip));
strcpy (card->driver, "CX88x");
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 1b00615fd39..c7a9be1065c 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -385,8 +385,7 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
/* The wm8775 module has the "2" route hardwired into
the initialization. Some boards may use different
routes for different inputs. HVR-1300 surely does */
- if (core->board.audio_chip &&
- core->board.audio_chip == V4L2_IDENT_WM8775) {
+ if (core->sd_wm8775) {
call_all(core, audio, s_routing,
INPUT(input).audioroute, 0, 0);
}
@@ -771,8 +770,7 @@ static int video_open(struct file *file)
cx_write(MO_GP1_IO, core->board.radio.gpio1);
cx_write(MO_GP2_IO, core->board.radio.gpio2);
if (core->board.radio.audioroute) {
- if(core->board.audio_chip &&
- core->board.audio_chip == V4L2_IDENT_WM8775) {
+ if (core->sd_wm8775) {
call_all(core, audio, s_routing,
core->board.radio.audioroute, 0, 0);
}
@@ -959,7 +957,7 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
u32 value,mask;
/* Pass changes onto any WM8775 */
- if (core->board.audio_chip == V4L2_IDENT_WM8775) {
+ if (core->sd_wm8775) {
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
wm8775_s_ctrl(core, ctrl->id, ctrl->val);
diff --git a/drivers/media/pci/zoran/zoran.h b/drivers/media/pci/zoran/zoran.h
index ca2754a3cd6..5e040085c2f 100644
--- a/drivers/media/pci/zoran/zoran.h
+++ b/drivers/media/pci/zoran/zoran.h
@@ -176,7 +176,7 @@ struct zoran_fh;
struct zoran_mapping {
struct zoran_fh *fh;
- int count;
+ atomic_t count;
};
struct zoran_buffer {
diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c
index 1168a84a737..d133c30c3fd 100644
--- a/drivers/media/pci/zoran/zoran_driver.c
+++ b/drivers/media/pci/zoran/zoran_driver.c
@@ -2803,8 +2803,7 @@ static void
zoran_vm_open (struct vm_area_struct *vma)
{
struct zoran_mapping *map = vma->vm_private_data;
-
- map->count++;
+ atomic_inc(&map->count);
}
static void
@@ -2815,7 +2814,7 @@ zoran_vm_close (struct vm_area_struct *vma)
struct zoran *zr = fh->zr;
int i;
- if (--map->count > 0)
+ if (!atomic_dec_and_mutex_lock(&map->count, &zr->resource_lock))
return;
dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
@@ -2828,14 +2827,16 @@ zoran_vm_close (struct vm_area_struct *vma)
kfree(map);
/* Any buffers still mapped? */
- for (i = 0; i < fh->buffers.num_buffers; i++)
- if (fh->buffers.buffer[i].map)
+ for (i = 0; i < fh->buffers.num_buffers; i++) {
+ if (fh->buffers.buffer[i].map) {
+ mutex_unlock(&zr->resource_lock);
return;
+ }
+ }
dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
__func__, mode_name(fh->map_mode));
- mutex_lock(&zr->resource_lock);
if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
if (fh->buffers.active != ZORAN_FREE) {
@@ -2939,7 +2940,7 @@ zoran_mmap (struct file *file,
goto mmap_unlock_and_return;
}
map->fh = fh;
- map->count = 1;
+ atomic_set(&map->count, 1);
vma->vm_ops = &zoran_vm_ops;
vma->vm_flags |= VM_DONTEXPAND;