#include <sound/control.h>
#include <sound/hwdep.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include "usbaudio.h"
#include "mixer.h"
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,
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;
}
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
struct usb_mixer_interface *mixer = list->mixer;
int index = kcontrol->private_value & 0xff;
- int value = ucontrol->value.integer.value[0];
+ unsigned int value = ucontrol->value.integer.value[0];
int old_value = kcontrol->private_value >> 8;
int err;
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
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;
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;
}
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;
}
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,
goto err;
err:
- up_read(&chip->shutdown_rwsem);
+ snd_usb_unlock_shutdown(chip);
return err;
}
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;
}
return 0;
kcontrol->private_value &= ~(0xff << 24);
- kcontrol->private_value |= newval;
+ kcontrol->private_value |= (unsigned int)newval << 24;
err = snd_ni_update_cur_val(list);
return err < 0 ? err : 1;
}
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;
}
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;
err = 0;
end:
- up_read(&chip->shutdown_rwsem);
+ snd_usb_unlock_shutdown(chip);
return err;
}
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,
goto end;
end:
- up_read(&chip->shutdown_rwsem);
+ snd_usb_unlock_shutdown(chip);
return err;
}
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),
NULL,
0);
- end:
- up_read(&chip->shutdown_rwsem);
+ snd_usb_unlock_shutdown(chip);
return err;
}
}
}
+static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
+ struct snd_kcontrol *kctl)
+{
+ /* Approximation using 10 ranges based on output measurement on hw v1.2.
+ * This seems close to the cubic mapping e.g. alsamixer uses. */
+ static const DECLARE_TLV_DB_RANGE(scale,
+ 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970),
+ 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160),
+ 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710),
+ 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
+ 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
+ 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
+ 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
+ 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
+ 32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
+ 41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
+ );
+
+ usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n");
+ kctl->tlv.p = scale;
+ kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+}
+
+void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+ struct usb_mixer_elem_info *cval, int unitid,
+ struct snd_kcontrol *kctl)
+{
+ switch (mixer->chip->usb_id) {
+ case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
+ if (unitid == 7 && cval->min == 0 && cval->max == 50)
+ snd_dragonfly_quirk_db_scale(mixer, kctl);
+ break;
+ }
+}
+
Code Review / kvmfornfv.git / blobdiff