This patch for snd_usb_caiaq makes sample rates higher dann 48KHz work
with devices which have more than 2 stereo input/output pairs.
Signed-off-by: Daniel Mack <daniel@xxxxxxxx>
diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c
index ebf3281..24970a5 100644
--- a/sound/usb/caiaq/caiaq-audio.c
+++ b/sound/usb/caiaq/caiaq-audio.c
@@ -39,7 +39,8 @@
#define BYTES_PER_SAMPLE 3
#define BYTES_PER_SAMPLE_USB 4
#define MAX_BUFFER_SIZE (128*1024)
-
+#define MAX_ENDPOINT_SIZE 512
+
#define ENDPOINT_CAPTURE 2
#define ENDPOINT_PLAYBACK 6
@@ -221,7 +222,10 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
bpp = ((runtime->rate / 8000) + CLOCK_DRIFT_TOLERANCE)
* bytes_per_sample * CHANNELS_PER_STREAM * dev->n_streams;
-
+
+ if (bpp > MAX_ENDPOINT_SIZE)
+ bpp = MAX_ENDPOINT_SIZE;
+
ret = snd_usb_caiaq_set_audio_params(dev, runtime->rate,
runtime->sample_bits, bpp);
if (ret)
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c
index 379e608..e97d8b2 100644
--- a/sound/usb/caiaq/caiaq-device.c
+++ b/sound/usb/caiaq/caiaq-device.c
@@ -42,7 +42,7 @@
#endif
MODULE_AUTHOR("Daniel Mack <daniel@xxxxxxxx>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.5");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.6");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
"{Native Instruments, RigKontrol3},"
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