ALSA: dice: purge generating channel cache

[karo-tx-linux.git] / sound / firewire / dice / dice-stream.c

diff --git a/sound/firewire/dice/dice-stream.c b/sound/firewire/dice/dice-stream.c
index 4f74e3ef58fd581eabd26f91d58e48294fb0f3f2..716db092d7c77c7a57f90803ef9d0747984e8efa 100644 (file)
--- a/sound/firewire/dice/dice-stream.c
+++ b/sound/firewire/dice/dice-stream.c
@@ -24,23 +24,6 @@ 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;
-               return 0;
-       }
-       return -EINVAL;
-}
-
 static void release_resources(struct snd_dice *dice,
                              struct fw_iso_resources *resources)
 {
@@ -100,13 +83,10 @@ static int start_stream(struct snd_dice *dice, struct amdtp_stream *stream,
 {
        struct fw_iso_resources *resources;
        __be32 reg[2];
-       unsigned int i, mode, pcm_chs, midi_ports;
+       unsigned int i, pcm_chs, midi_ports;
        bool double_pcm_frames;
        int err;
 
-       err = snd_dice_stream_get_rate_mode(dice, rate, &mode);
-       if (err < 0)
-               goto end;
        if (stream == &dice->tx_stream) {
                resources = &dice->tx_resources;
                err = snd_dice_transaction_read_tx(dice, TX_NUMBER_AUDIO,
@@ -133,7 +113,7 @@ static int start_stream(struct snd_dice *dice, struct amdtp_stream *stream,
         * For this quirk, blocking mode is required and PCM buffer size should
         * be aligned to SYT_INTERVAL.
         */
-       double_pcm_frames = mode > 1;
+       double_pcm_frames = rate > 96000;
        if (double_pcm_frames) {
                rate /= 2;
                pcm_chs *= 2;