diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.c | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index de5e723fdf4..89c033112e1 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -98,21 +98,30 @@ static const struct cx18_api_info *find_api_info(u32 cmd) return NULL; } -static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) +/* Call with buf of n*11+1 bytes */ +static char *u32arr2hex(u32 data[], int n, char *buf) { - char argstr[MAX_MB_ARGUMENTS*11+1]; char *p; int i; + for (i = 0, p = buf; i < n; i++, p += 11) { + /* kernel snprintf() appends '\0' always */ + snprintf(p, 12, " %#010x", data[i]); + } + *p = '\0'; + return buf; +} + +static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) +{ + char argstr[MAX_MB_ARGUMENTS*11+1]; + if (!(cx18_debug & CX18_DBGFLG_API)) return; - for (i = 0, p = argstr; i < MAX_MB_ARGUMENTS; i++, p += 11) { - /* kernel snprintf() appends '\0' always */ - snprintf(p, 12, " %#010x", mb->args[i]); - } CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s" - "\n", name, mb->request, mb->ack, mb->cmd, mb->error, argstr); + "\n", name, mb->request, mb->ack, mb->cmd, mb->error, + u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr)); } @@ -439,7 +448,8 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) "incoming %s to EPU mailbox (sequence no. %u)" "\n", rpu_str[rpu], rpu_str[rpu], order_mb->request); - dump_mb(cx, order_mb, "incoming"); + if (cx18_debug & CX18_DBGFLG_WARN) + dump_mb(cx, order_mb, "incoming"); order->flags = CX18_F_EWO_MB_STALE_UPON_RECEIPT; } @@ -468,16 +478,24 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) struct mutex *mb_lock; long int timeout, ret; int i; + char argstr[MAX_MB_ARGUMENTS*11+1]; if (info == NULL) { CX18_WARN("unknown cmd %x\n", cmd); return -EINVAL; } - if (cmd == CX18_CPU_DE_SET_MDL) - CX18_DEBUG_HI_API("%s\n", info->name); - else - CX18_DEBUG_API("%s\n", info->name); + if (cx18_debug & CX18_DBGFLG_API) { /* only call u32arr2hex if needed */ + if (cmd == CX18_CPU_DE_SET_MDL) { + if (cx18_debug & CX18_DBGFLG_HIGHVOL) + CX18_DEBUG_HI_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } else + CX18_DEBUG_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } switch (info->rpu) { case APU: |