On Sun, 29 Apr 2018 08:50:23 +0200, Takashi Sakamoto wrote:
In former commits, proxy structure get members for cache of stream formats. This commit fills the cache with stream formats at current mode of sampling transmission frequency.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp
sound/firewire/dice/dice-stream.c | 76 +++++++++++++++++++++++++++++++++++++++ sound/firewire/dice/dice.c | 4 +++ sound/firewire/dice/dice.h | 3 ++ 3 files changed, 83 insertions(+)
diff --git a/sound/firewire/dice/dice-stream.c b/sound/firewire/dice/dice-stream.c index 928a255bfc35..2a9f0cd994a5 100644 --- a/sound/firewire/dice/dice-stream.c +++ b/sound/firewire/dice/dice-stream.c @@ -30,6 +30,24 @@ const unsigned int snd_dice_rates[SND_DICE_RATES_COUNT] = { [6] = 192000, };
+int snd_dice_stream_get_rate_mode(struct snd_dice *dice, unsigned int rate,
unsigned int *mode)
+{
- int i;
- for (i = 0; i < ARRAY_SIZE(snd_dice_rates); i++) {
if (!(dice->clock_caps & BIT(i)))
continue;
if (snd_dice_rates[i] != rate)
continue;
*mode = (i - 1) / 2;
What if i=0? It'll be a negative value?
thanks,
Takashi