diff options
Diffstat (limited to 'sound/usb/mixer_quirks.c')
-rw-r--r-- | sound/usb/mixer_quirks.c | 130 |
1 files changed, 58 insertions, 72 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index db9547d04f38..940442848fc8 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -309,11 +309,10 @@ static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer, struct snd_usb_audio *chip = mixer->chip; int err; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) { - err = -ENODEV; - goto out; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; + if (chip->usb_id == USB_ID(0x041e, 0x3042)) err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x24, @@ -330,8 +329,7 @@ static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer, usb_sndctrlpipe(chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, value, index + 2, NULL, 0); - out: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -442,16 +440,15 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, for (i = 0; jacks[i].name; ++i) { snd_iprintf(buffer, "%s: ", jacks[i].name); - down_read(&mixer->chip->shutdown_rwsem); - if (mixer->chip->shutdown) - err = 0; - else - err = snd_usb_ctl_msg(mixer->chip->dev, + err = snd_usb_lock_shutdown(mixer->chip); + if (err < 0) + return; + err = snd_usb_ctl_msg(mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, jacks[i].unitid << 8, buf, 3); - up_read(&mixer->chip->shutdown_rwsem); + snd_usb_unlock_shutdown(mixer->chip); if (err == 3 && (buf[0] == 3 || buf[0] == 6)) snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); else @@ -482,11 +479,9 @@ static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, int err; unsigned char buf[2]; - down_read(&chip->shutdown_rwsem); - if (mixer->chip->shutdown) { - err = -ENODEV; - goto out; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; buf[0] = 0x01; buf[1] = value ? 0x02 : 0x01; @@ -494,8 +489,7 @@ static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 0x0400, 0x0e00, buf, 2); - out: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -555,15 +549,14 @@ static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer, struct snd_usb_audio *chip = mixer->chip; int err; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) - err = -ENODEV; - else - err = snd_usb_ctl_msg(chip->dev, + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; + err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 0x08, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 50, 0, &status, 1); - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -624,11 +617,9 @@ static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val) int err; unsigned char buff[3]; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) { - err = -ENODEV; - goto err; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; /* Prepare for magic command to toggle clock source */ err = snd_usb_ctl_msg(chip->dev, @@ -684,7 +675,7 @@ static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val) goto err; err: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -779,15 +770,14 @@ static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list) unsigned int pval = list->kctl->private_value; int err; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) - err = -ENODEV; - else - err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), - (pval >> 16) & 0xff, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - pval >> 24, pval & 0xffff, NULL, 0, 1000); - up_read(&chip->shutdown_rwsem); + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; + err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), + (pval >> 16) & 0xff, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, + pval >> 24, pval & 0xffff, NULL, 0, 1000); + snd_usb_unlock_shutdown(chip); return err; } @@ -945,18 +935,17 @@ static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list) value[0] = pval >> 24; value[1] = 0; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) - err = -ENODEV; - else - err = snd_usb_ctl_msg(chip->dev, - usb_sndctrlpipe(chip->dev, 0), - UAC_SET_CUR, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - pval & 0xff00, - snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8), - value, 2); - up_read(&chip->shutdown_rwsem); + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; + err = snd_usb_ctl_msg(chip->dev, + usb_sndctrlpipe(chip->dev, 0), + UAC_SET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + pval & 0xff00, + snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8), + value, 2); + snd_usb_unlock_shutdown(chip); return err; } @@ -1520,11 +1509,9 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, unsigned char data[3]; int rate; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) { - err = -ENODEV; - goto end; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff; ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff; @@ -1532,7 +1519,11 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, /* use known values for that card: interface#1 altsetting#1 */ iface = usb_ifnum_to_if(chip->dev, 1); + if (!iface || iface->num_altsetting < 2) + return -EINVAL; alts = &iface->altsetting[1]; + if (get_iface_desc(alts)->bNumEndpoints < 1) + return -EINVAL; ep = get_endpoint(alts, 0)->bEndpointAddress; err = snd_usb_ctl_msg(chip->dev, @@ -1552,7 +1543,7 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol, err = 0; end: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -1563,11 +1554,9 @@ static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) u8 reg; int err; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) { - err = -ENODEV; - goto end; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; reg = ((pval >> 4) & 0xf0) | (pval & 0x0f); err = snd_usb_ctl_msg(chip->dev, @@ -1595,7 +1584,7 @@ static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list) goto end; end: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } @@ -1651,11 +1640,9 @@ static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list) u8 reg = list->kctl->private_value; int err; - down_read(&chip->shutdown_rwsem); - if (chip->shutdown) { - err = -ENODEV; - goto end; - } + err = snd_usb_lock_shutdown(chip); + if (err < 0) + return err; err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), @@ -1666,8 +1653,7 @@ static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list) NULL, 0); - end: - up_read(&chip->shutdown_rwsem); + snd_usb_unlock_shutdown(chip); return err; } |