diff options
-rw-r--r-- | sound/usb/card.h | 1 | ||||
-rw-r--r-- | sound/usb/mixer.c | 65 | ||||
-rw-r--r-- | sound/usb/pcm.c | 31 | ||||
-rw-r--r-- | sound/usb/proc.c | 4 | ||||
-rw-r--r-- | sound/usb/urb.c | 9 |
5 files changed, 76 insertions, 34 deletions
diff --git a/sound/usb/card.h b/sound/usb/card.h index ae4251d..19b5b5d 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -86,6 +86,7 @@ struct snd_usb_substream { struct snd_urb_ctx syncurb[SYNC_URBS]; /* sync urb table */ char *syncbuf; /* sync buffer for all sync URBs */ dma_addr_t sync_dma; /* DMA address of syncbuf */ + unsigned int speed; /* USB_SPEED_XXX */ u64 formats; /* format bitmasks (all or'ed) */ unsigned int num_formats; /* number of supported audio formats (list) */ diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 9363a8c..a010cde 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -287,25 +287,32 @@ static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int v unsigned char buf[2]; int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; int timeout = 10; - int err; + int idx = 0, err; err = snd_usb_autoresume(cval->mixer->chip); if (err < 0) return -EIO; + mutex_lock(&chip->shutdown_mutex); while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len, 100) >= val_len) { + validx, idx, buf, val_len, 100) >= val_len) { *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); - snd_usb_autosuspend(cval->mixer->chip); - return 0; + err = 0; + goto out; } } - snd_usb_autosuspend(cval->mixer->chip); snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); - return -EINVAL; + request, validx, idx, cval->val_type); + err = -EINVAL; + + out: + mutex_unlock(&chip->shutdown_mutex); + snd_usb_autosuspend(cval->mixer->chip); + return err; } static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) @@ -313,7 +320,7 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2 + 3*sizeof(__u16)]; /* enough space for one range */ unsigned char *val; - int ret, size; + int idx = 0, ret, size; __u8 bRequest; if (request == UAC_GET_CUR) { @@ -330,16 +337,22 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v if (ret) goto error; - ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, + mutex_lock(&chip->shutdown_mutex); + if (chip->shutdown) + ret = -ENODEV; + else { + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); + ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, size, 1000); + validx, idx, buf, size, 1000); + } + mutex_unlock(&chip->shutdown_mutex); snd_usb_autosuspend(chip); if (ret < 0) { error: snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); + request, validx, idx, cval->val_type); return ret; } @@ -417,7 +430,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, { struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2]; - int val_len, err, timeout = 10; + int idx = 0, val_len, err, timeout = 10; if (cval->mixer->protocol == UAC_VERSION_1) { val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; @@ -440,19 +453,27 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, err = snd_usb_autoresume(chip); if (err < 0) return -EIO; - while (timeout-- > 0) + mutex_lock(&chip->shutdown_mutex); + while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len, 100) >= 0) { - snd_usb_autosuspend(chip); - return 0; + validx, idx, buf, val_len, 100) >= 0) { + err = 0; + goto out; } - snd_usb_autosuspend(chip); + } snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type, buf[0], buf[1]); - return -EINVAL; + request, validx, idx, cval->val_type, buf[0], buf[1]); + err = -EINVAL; + + out: + mutex_unlock(&chip->shutdown_mutex); + snd_usb_autosuspend(chip); + return err; } static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 506c0fa..93c8967 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -43,6 +43,8 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream unsigned int hwptr_done; subs = (struct snd_usb_substream *)substream->runtime->private_data; + if (subs->stream->chip->shutdown) + return SNDRV_PCM_POS_XRUN; spin_lock(&subs->lock); hwptr_done = subs->hwptr_done; spin_unlock(&subs->lock); @@ -347,8 +349,14 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, changed = subs->cur_audiofmt != fmt || subs->period_bytes != params_period_bytes(hw_params) || subs->cur_rate != rate; + + mutex_lock(&subs->stream->chip->shutdown_mutex); + if (subs->stream->chip->shutdown) { + ret = -ENODEV; + goto unlock; + } if ((ret = set_format(subs, fmt)) < 0) - return ret; + goto unlock; if (subs->cur_rate != rate) { struct usb_host_interface *alts; @@ -357,12 +365,11 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, alts = &iface->altsetting[fmt->altset_idx]; ret = snd_usb_init_sample_rate(subs->stream->chip, subs->interface, alts, fmt, rate); if (ret < 0) - return ret; + goto unlock; subs->cur_rate = rate; } if (changed) { - mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ snd_usb_release_substream_urbs(subs, 0); /* influenced: period_bytes, channels, rate, format, */ @@ -370,9 +377,10 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, params_rate(hw_params), snd_pcm_format_physical_width(params_format(hw_params)) * params_channels(hw_params)); - mutex_unlock(&subs->stream->chip->shutdown_mutex); } +unlock: + mutex_unlock(&subs->stream->chip->shutdown_mutex); return ret; } @@ -403,12 +411,18 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_usb_substream *subs = runtime->private_data; + int ret = 0; if (! subs->cur_audiofmt) { snd_printk(KERN_ERR "usbaudio: no format is specified!\n"); return -ENXIO; } + mutex_lock(&subs->stream->chip->shutdown_mutex); + if (subs->stream->chip->shutdown) { + ret = -ENODEV; + goto unlock; + } /* some unit conversions in runtime */ subs->maxframesize = bytes_to_frames(runtime, subs->maxpacksize); subs->curframesize = bytes_to_frames(runtime, subs->curpacksize); @@ -419,7 +433,10 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) subs->phase = 0; runtime->delay = 0; - return snd_usb_substream_prepare(subs, runtime); + ret = snd_usb_substream_prepare(subs, runtime); + unlock: + mutex_unlock(&subs->stream->chip->shutdown_mutex); + return ret; } static struct snd_pcm_hardware snd_usb_hardware = @@ -472,7 +489,7 @@ static int hw_check_valid_format(struct snd_usb_substream *subs, return 0; } /* check whether the period time is >= the data packet interval */ - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) { + if (subs->speed != USB_SPEED_FULL) { ptime = 125 * (1 << fp->datainterval); if (ptime > pt->max || (ptime == pt->max && pt->openmax)) { hwc_debug(" > check: ptime %u > max %u\n", ptime, pt->max); @@ -748,7 +765,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre return err; param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME; - if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + if (subs->speed == USB_SPEED_FULL) /* full speed devices have fixed data packet interval */ ptmin = 1000; if (ptmin == 1000) diff --git a/sound/usb/proc.c b/sound/usb/proc.c index 961c9a2..aef03db 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -107,7 +107,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s } snd_iprintf(buffer, "\n"); } - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) + if (subs->speed != USB_SPEED_FULL) snd_iprintf(buffer, " Data packet interval: %d us\n", 125 * (1 << fp->datainterval)); // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize); @@ -128,7 +128,7 @@ static void proc_dump_substream_status(struct snd_usb_substream *subs, struct sn snd_iprintf(buffer, "]\n"); snd_iprintf(buffer, " Packet Size = %d\n", subs->curpacksize); snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", - snd_usb_get_speed(subs->dev) == USB_SPEED_FULL + subs->speed == USB_SPEED_FULL ? get_full_speed_hz(subs->freqm) : get_high_speed_hz(subs->freqm), subs->freqm >> 16, subs->freqm & 0xffff); diff --git a/sound/usb/urb.c b/sound/usb/urb.c index e184349..8878875 100644 --- a/sound/usb/urb.c +++ b/sound/usb/urb.c @@ -147,8 +147,10 @@ void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force) int i; /* stop urbs (to be sure) */ - deactivate_urbs(subs, force, 1); - wait_clear_urbs(subs); + if (!subs->stream->chip->shutdown) { + deactivate_urbs(subs, force, 1); + wait_clear_urbs(subs); + } for (i = 0; i < MAX_URBS; i++) release_urb_ctx(&subs->dataurb[i]); @@ -870,7 +872,8 @@ void snd_usb_init_substream(struct snd_usb_stream *as, subs->dev = as->chip->dev; subs->txfr_quirk = as->chip->txfr_quirk; subs->ops = audio_urb_ops[stream]; - if (snd_usb_get_speed(subs->dev) >= USB_SPEED_HIGH) + subs->speed = snd_usb_get_speed(subs->dev); + if (subs->speed >= USB_SPEED_HIGH) subs->ops.prepare_sync = prepare_capture_sync_urb_hs; snd_usb_set_pcm_ops(as->pcm, stream); |