These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / firewire / dice / dice-stream.c

diff --git a/kernel/sound/firewire/dice/dice-stream.c b/kernel/sound/firewire/dice/dice-stream.c
index 07dbd01..a6a39f7 100644 (file)
--- a/kernel/sound/firewire/dice/dice-stream.c
+++ b/kernel/sound/firewire/dice/dice-stream.c
@@ -44,16 +44,16 @@ int snd_dice_stream_get_rate_mode(struct snd_dice *dice, unsigned int rate,
 static void release_resources(struct snd_dice *dice,
                              struct fw_iso_resources *resources)
 {
-       unsigned int channel;
+       __be32 channel;
 
        /* Reset channel number */
        channel = cpu_to_be32((u32)-1);
        if (resources == &dice->tx_resources)
                snd_dice_transaction_write_tx(dice, TX_ISOCHRONOUS,
-                                             &channel, 4);
+                                             &channel, sizeof(channel));
        else
                snd_dice_transaction_write_rx(dice, RX_ISOCHRONOUS,
-                                             &channel, 4);
+                                             &channel, sizeof(channel));
 
        fw_iso_resources_free(resources);
 }
@@ -62,7 +62,7 @@ static int keep_resources(struct snd_dice *dice,
                          struct fw_iso_resources *resources,
                          unsigned int max_payload_bytes)
 {
-       unsigned int channel;
+       __be32 channel;
        int err;
 
        err = fw_iso_resources_allocate(resources, max_payload_bytes,
@@ -74,10 +74,10 @@ static int keep_resources(struct snd_dice *dice,
        channel = cpu_to_be32(resources->channel);
        if (resources == &dice->tx_resources)
                err = snd_dice_transaction_write_tx(dice, TX_ISOCHRONOUS,
-                                                   &channel, 4);
+                                                   &channel, sizeof(channel));
        else
                err = snd_dice_transaction_write_rx(dice, RX_ISOCHRONOUS,
-                                                   &channel, 4);
+                                                   &channel, sizeof(channel));
        if (err < 0)
                release_resources(dice, resources);
 end:
@@ -100,6 +100,7 @@ static int start_stream(struct snd_dice *dice, struct amdtp_stream *stream,
 {
        struct fw_iso_resources *resources;
        unsigned int i, mode, pcm_chs, midi_ports;
+       bool double_pcm_frames;
        int err;
 
        err = snd_dice_stream_get_rate_mode(dice, rate, &mode);
@@ -125,21 +126,24 @@ 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.
         */
-       if (mode > 1) {
+       double_pcm_frames = mode > 1;
+       if (double_pcm_frames) {
                rate /= 2;
                pcm_chs *= 2;
-               stream->double_pcm_frames = true;
-       } else {
-               stream->double_pcm_frames = false;
        }
 
-       amdtp_stream_set_parameters(stream, rate, pcm_chs, midi_ports);
-       if (mode > 1) {
+       err = amdtp_am824_set_parameters(stream, rate, pcm_chs, midi_ports,
+                                        double_pcm_frames);
+       if (err < 0)
+               goto end;
+
+       if (double_pcm_frames) {
                pcm_chs /= 2;
 
                for (i = 0; i < pcm_chs; i++) {
-                       stream->pcm_positions[i] = i * 2;
-                       stream->pcm_positions[i + pcm_chs] = i * 2 + 1;
+                       amdtp_am824_set_pcm_position(stream, i, i * 2);
+                       amdtp_am824_set_pcm_position(stream, i + pcm_chs,
+                                                    i * 2 + 1);
                }
        }
 
@@ -302,7 +306,7 @@ static int init_stream(struct snd_dice *dice, struct amdtp_stream *stream)
                goto end;
        resources->channels_mask = 0x00000000ffffffffuLL;
 
-       err = amdtp_stream_init(stream, dice->unit, dir, CIP_BLOCKING);
+       err = amdtp_am824_init(stream, dice->unit, dir, CIP_BLOCKING);
        if (err < 0) {
                amdtp_stream_destroy(stream);
                fw_iso_resources_destroy(resources);