At Tue, 11 Aug 2009 13:22:58 +1000,
Stephen Rothwell wrote:
>
> Hi Takashi,
>
> Today's linux-next build (x86_64 allmodconfig) produced this warning:
>
> sound/usb/usbaudio.c: In function 'init_substream_urbs':
> sound/usb/usbaudio.c:1087: warning: comparison of distinct pointer types lacks a cast
>
> Introduced by commit 765e8db078e63fdc076fcf6024c15d3b7b955746 ("sound:
> usb-audio: do not make URBs longer than sync packet interval").
Thanks, fixed now on sound git tree with the patch below.
Takashi
---
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index fa3f7a1..5149c58 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1084,7 +1084,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
urb_packs = 1;
urb_packs *= packs_per_ms;
if (subs->syncpipe)
- urb_packs = min(urb_packs, 1 << subs->syncinterval);
+ urb_packs = min(urb_packs, 1U << subs->syncinterval);
/* decide how many packets to be used */
if (is_playback) {
--
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