ALSA: pcm_format_to_bits strong-typed conversion
Add a function to handle conversion from snd_pcm_format_t
to bitwise with proper typing.
Change such conversions to use this function and silence sparse
warnings.
Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 9723f3c..93b6e32 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -100,7 +100,7 @@
int cur_attr = 0, attr;
list_for_each_entry(fp, &subs->fmt_list, list) {
- if (!(fp->formats & (1uLL << subs->pcm_format)))
+ if (!(fp->formats & pcm_format_to_bits(subs->pcm_format)))
continue;
if (fp->channels != subs->channels)
continue;
@@ -478,7 +478,7 @@
return 0;
}
- if (!(fp->formats & (1ULL << pcm_format))) {
+ if (!(fp->formats & pcm_format_to_bits(pcm_format))) {
snd_printdd("%s: (fmt @%p) no match for format %d\n", __func__,
fp, pcm_format);
return 0;