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path: root/linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c
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Diffstat (limited to 'linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index aedcfbb0b..5ad657e89 100644
--- a/linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/linux/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -88,7 +88,7 @@ static struct pvr2_string_table pvr2_client_lists[] = {
#endif
};
-static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = 0};
+static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
static DECLARE_MUTEX(pvr2_unit_sem);
static int ctlchg = 0;
@@ -423,7 +423,7 @@ static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr)
info = (struct pvr2_ctl_info *)(cptr->info);
if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) {
if (info->set_value) {
- info->set_value = 0;
+ info->set_value = NULL;
}
} else {
if (!(info->set_value)) {
@@ -856,8 +856,8 @@ unsigned long pvr2_hdw_get_sn(struct pvr2_hdw *hdw)
#if 0
struct pvr2_hdw *pvr2_hdw_find(int unit_number)
{
- if (unit_number < 0) return 0;
- if (unit_number >= PVR_NUM) return 0;
+ if (unit_number < 0) return NULL;
+ if (unit_number >= PVR_NUM) return NULL;
return unit_pointers[unit_number];
}
#endif /* 0 */
@@ -937,7 +937,7 @@ static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
*/
static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
{
- const struct firmware *fw_entry = 0;
+ const struct firmware *fw_entry = NULL;
void *fw_ptr;
unsigned int pipe;
int ret;
@@ -1033,7 +1033,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
{
- const struct firmware *fw_entry = 0;
+ const struct firmware *fw_entry = NULL;
void *fw_ptr;
unsigned int pipe, fw_len, fw_done;
int actual_length;
@@ -1762,7 +1762,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
sizeof(pvr2_device_names)/sizeof(pvr2_device_names[0])) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Bogus device type of %u reported",hdw_type);
- return 0;
+ return NULL;
}
hdw = kmalloc(sizeof(*hdw),GFP_KERNEL);
@@ -1943,7 +1943,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
if (hdw->mpeg_ctrl_info) kfree(hdw->mpeg_ctrl_info);
kfree(hdw);
}
- return 0;
+ return NULL;
}
@@ -1956,25 +1956,25 @@ static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
if (hdw->ctl_read_urb) {
usb_kill_urb(hdw->ctl_read_urb);
usb_free_urb(hdw->ctl_read_urb);
- hdw->ctl_read_urb = 0;
+ hdw->ctl_read_urb = NULL;
}
if (hdw->ctl_write_urb) {
usb_kill_urb(hdw->ctl_write_urb);
usb_free_urb(hdw->ctl_write_urb);
- hdw->ctl_write_urb = 0;
+ hdw->ctl_write_urb = NULL;
}
if (hdw->ctl_read_buffer) {
kfree(hdw->ctl_read_buffer);
- hdw->ctl_read_buffer = 0;
+ hdw->ctl_read_buffer = NULL;
}
if (hdw->ctl_write_buffer) {
kfree(hdw->ctl_write_buffer);
- hdw->ctl_write_buffer = 0;
+ hdw->ctl_write_buffer = NULL;
}
pvr2_hdw_render_useless_unlocked(hdw);
hdw->flag_disconnected = !0;
- hdw->usb_dev = 0;
- hdw->usb_intf = 0;
+ hdw->usb_dev = NULL;
+ hdw->usb_intf = NULL;
}
@@ -1984,11 +1984,11 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
if (hdw->fw_buffer) {
kfree(hdw->fw_buffer);
- hdw->fw_buffer = 0;
+ hdw->fw_buffer = NULL;
}
if (hdw->vid_stream) {
pvr2_stream_destroy(hdw->vid_stream);
- hdw->vid_stream = 0;
+ hdw->vid_stream = NULL;
}
if (hdw->audio_stat) {
hdw->audio_stat->detach(hdw->audio_stat->ctxt);
@@ -2002,7 +2002,7 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
if ((hdw->unit_number >= 0) &&
(hdw->unit_number < PVR_NUM) &&
(unit_pointers[hdw->unit_number] == hdw)) {
- unit_pointers[hdw->unit_number] = 0;
+ unit_pointers[hdw->unit_number] = NULL;
}
} while (0); up(&pvr2_unit_sem);
if (hdw->controls) kfree(hdw->controls);
@@ -2064,12 +2064,12 @@ static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw)
if (hdw->std_defs) {
kfree(hdw->std_defs);
- hdw->std_defs = 0;
+ hdw->std_defs = NULL;
}
hdw->std_enum_cnt = 0;
if (hdw->std_enum_names) {
kfree(hdw->std_enum_names);
- hdw->std_enum_names = 0;
+ hdw->std_enum_names = NULL;
}
if (!std_cnt) {
@@ -2120,7 +2120,7 @@ unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
unsigned int idx)
{
- if (idx >= hdw->control_cnt) return 0;
+ if (idx >= hdw->control_cnt) return NULL;
return hdw->controls + idx;
}
@@ -2139,7 +2139,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw,
i = cptr->info->internal_id;
if (i && (i == ctl_id)) return cptr;
}
- return 0;
+ return NULL;
}
@@ -2156,7 +2156,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id
i = cptr->info->v4l_id;
if (i && (i == ctl_id)) return cptr;
}
- return 0;
+ return NULL;
}
@@ -2170,7 +2170,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
int i;
/* This could be made a lot more efficient, but for now... */
- cp2 = 0;
+ cp2 = NULL;
for (idx = 0; idx < hdw->control_cnt; idx++) {
cptr = hdw->controls + idx;
i = cptr->info->v4l_id;
@@ -2180,7 +2180,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
cp2 = cptr;
}
return cp2;
- return 0;
+ return NULL;
}
@@ -2451,7 +2451,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, int enable_flag)
pvr2_trace(PVR2_TRACE_FIRMWARE,
"Cleaning up after CPU firmware fetch");
kfree(hdw->fw_buffer);
- hdw->fw_buffer = 0;
+ hdw->fw_buffer = NULL;
hdw->fw_size = 0;
/* Now release the CPU. It will disconnect and
reconnect later. */
@@ -2962,7 +2962,7 @@ static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_INIT,"render_useless");
hdw->flag_ok = 0;
if (hdw->vid_stream) {
- pvr2_stream_setup(hdw->vid_stream,0,0,0);
+ pvr2_stream_setup(hdw->vid_stream,NULL,0,0);
}
hdw->flag_streaming_enabled = 0;
hdw->subsys_enabled_mask = 0;
@@ -2981,7 +2981,7 @@ void pvr2_hdw_device_reset(struct pvr2_hdw *hdw)
{
int ret;
pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset...");
- ret = usb_lock_device_for_reset(hdw->usb_dev,0);
+ ret = usb_lock_device_for_reset(hdw->usb_dev,NULL);
if (ret == 1) {
ret = usb_reset_device(hdw->usb_dev);
usb_unlock_device(hdw->usb_dev);
@@ -3030,7 +3030,7 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset");
hdw->flag_ok = !0;
hdw->cmd_buffer[0] = 0xdd;
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
}
@@ -3042,7 +3042,7 @@ int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
LOCK_TAKE(hdw->ctl_lock); do {
pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup");
hdw->cmd_buffer[0] = 0xde;
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
}
@@ -3074,7 +3074,7 @@ static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
int status;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = (runFl ? 0x36 : 0x37);
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
if (!status) {
hdw->subsys_enabled_mask =
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 16:25:36 +0000