From 6e9fc6bd5db34a6580e1917bd0fea4b0754c7de8 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 14 Apr 2008 15:40:31 +0200 Subject: [ALSA] snd_usb_caiaq: make high sample rates work with A8DJ 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 Signed-off-by: Takashi Iwai --- sound/usb/caiaq/caiaq-audio.c | 8 ++++++-- sound/usb/caiaq/caiaq-device.c | 2 +- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'sound') 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 "); -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}," -- cgit v1.1