From 2165592b837e086f2b94835a2d81e6f3199c1319 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Fri, 16 Jan 2009 11:03:19 +0100 Subject: ALSA: snd-usb-caiaq: support for two more audio devices - Added support for two new audio devices from Native Instuments, 'Audio4DJ' and 'GuitarRig mobile' - Add missing statement about 'Session IO' in Kconfig help text - Version number bumped to 1.3.11 Signed-off-by: Daniel Mack Signed-off-by: Takashi Iwai --- sound/usb/caiaq/caiaq-audio.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'sound/usb/caiaq/caiaq-audio.c') diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c index b3a603325835..fc6d571eeac6 100644 --- a/sound/usb/caiaq/caiaq-audio.c +++ b/sound/usb/caiaq/caiaq-audio.c @@ -638,9 +638,10 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev) case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3): case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_SESSIONIO): - dev->samplerates |= SNDRV_PCM_RATE_88200; + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_GUITARRIGMOBILE): dev->samplerates |= SNDRV_PCM_RATE_192000; - break; + /* fall thru */ + case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): dev->samplerates |= SNDRV_PCM_RATE_88200; break; -- cgit v1.2.3 From 1313e7041480f523a09dedc7ef2185d8ee94c163 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Wed, 18 Mar 2009 11:03:53 +0100 Subject: ALSA: snd-usb-caiaq: only warn once on streaming errors Limit the number of printed warnings to one in case of streaming errors. printk() happens to be expensive, especially in code called as often as here. Signed-off-by: Daniel Mack Signed-off-by: Takashi Iwai --- sound/usb/caiaq/caiaq-audio.c | 4 +++- sound/usb/caiaq/caiaq-device.h | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'sound/usb/caiaq/caiaq-audio.c') diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c index fc6d571eeac6..577b1129de0e 100644 --- a/sound/usb/caiaq/caiaq-audio.c +++ b/sound/usb/caiaq/caiaq-audio.c @@ -114,6 +114,7 @@ static int stream_start(struct snd_usb_caiaqdev *dev) dev->output_panic = 0; dev->first_packet = 1; dev->streaming = 1; + dev->warned = 0; for (i = 0; i < N_URBS; i++) { ret = usb_submit_urb(dev->data_urbs_in[i], GFP_ATOMIC); @@ -406,10 +407,11 @@ static void read_in_urb(struct snd_usb_caiaqdev *dev, break; } - if (dev->input_panic || dev->output_panic) { + if ((dev->input_panic || dev->output_panic) && !dev->warned) { debug("streaming error detected %s %s\n", dev->input_panic ? "(input)" : "", dev->output_panic ? "(output)" : ""); + dev->warned = 1; } } diff --git a/sound/usb/caiaq/caiaq-device.h b/sound/usb/caiaq/caiaq-device.h index 0560c327d996..098b194f7259 100644 --- a/sound/usb/caiaq/caiaq-device.h +++ b/sound/usb/caiaq/caiaq-device.h @@ -89,7 +89,7 @@ struct snd_usb_caiaqdev { int audio_out_buf_pos[MAX_STREAMS]; int period_in_count[MAX_STREAMS]; int period_out_count[MAX_STREAMS]; - int input_panic, output_panic; + int input_panic, output_panic, warned; char *audio_in_buf, *audio_out_buf; unsigned int samplerates; -- cgit v1.2.3 From 9311c9b4f12218b588e51806c44d290cfec678a3 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Wed, 18 Mar 2009 11:03:54 +0100 Subject: ALSA: snd-usb-caiaq: drop bogus iso packets Drop inbound packets that are smaller than expected. This has been observed at the very beginning of the streaming transaction. And when the hardware is in panic mode (which can only very rarely happen in case of massive EMI chaos), mute the input channels. Signed-off-by: Daniel Mack Tested-by: Mark Hills Signed-off-by: Takashi Iwai --- sound/usb/caiaq/caiaq-audio.c | 6 ++++++ sound/usb/caiaq/caiaq-device.c | 2 ++ sound/usb/caiaq/caiaq-device.h | 2 +- 3 files changed, 9 insertions(+), 1 deletion(-) (limited to 'sound/usb/caiaq/caiaq-audio.c') diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c index 577b1129de0e..08d51e0c9fea 100644 --- a/sound/usb/caiaq/caiaq-audio.c +++ b/sound/usb/caiaq/caiaq-audio.c @@ -377,6 +377,9 @@ static void read_in_urb_mode2(struct snd_usb_caiaqdev *dev, for (stream = 0; stream < dev->n_streams; stream++, i++) { sub = dev->sub_capture[stream]; + if (dev->input_panic) + usb_buf[i] = 0; + if (sub) { struct snd_pcm_runtime *rt = sub->runtime; char *audio_buf = rt->dma_area; @@ -398,6 +401,9 @@ static void read_in_urb(struct snd_usb_caiaqdev *dev, if (!dev->streaming) return; + if (iso->actual_length < dev->bpp) + return; + switch (dev->spec.data_alignment) { case 0: read_in_urb_mode0(dev, urb, iso); diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c index 5736669df2d5..336a93de0b30 100644 --- a/sound/usb/caiaq/caiaq-device.c +++ b/sound/usb/caiaq/caiaq-device.c @@ -251,6 +251,8 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev, if (dev->audio_parm_answer != 1) debug("unable to set the device's audio params\n"); + else + dev->bpp = bpp; return dev->audio_parm_answer == 1 ? 0 : -EINVAL; } diff --git a/sound/usb/caiaq/caiaq-device.h b/sound/usb/caiaq/caiaq-device.h index 098b194f7259..4cce1ad7493d 100644 --- a/sound/usb/caiaq/caiaq-device.h +++ b/sound/usb/caiaq/caiaq-device.h @@ -91,7 +91,7 @@ struct snd_usb_caiaqdev { int period_out_count[MAX_STREAMS]; int input_panic, output_panic, warned; char *audio_in_buf, *audio_out_buf; - unsigned int samplerates; + unsigned int samplerates, bpp; struct snd_pcm_substream *sub_playback[MAX_STREAMS]; struct snd_pcm_substream *sub_capture[MAX_STREAMS]; -- cgit v1.2.3