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    • Mark Brown's avatar
      ASoC: codecs: Modify some error codes · 5c81f752
      Mark Brown authored 
      Merge series from wangweidong.a@awinic.com:

The maximum value that calib can set should be
consistent with the maximum value of re.

An error code should be return when the re is greater
than the maximum value or less than the minimum value

The value of vsense_select should be either 32
or 0 in both cases, so modify the
AW88399_DEV_VDSEL_VSENSE macro to 32.
      5c81f752
  15. Nov 01, 2023
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    • Geoffrey D. Bennett's avatar
      ALSA: scarlett2: Add missing check with firmware version control · a5901f27
      Geoffrey D. Bennett authored 
      

scarlett2_add_firmware_version_ctl() may return an error, but the
return value was not being checked. Add the missing check.

Signed-off-by: default avatarGeoffrey D. Bennett <g@b4.vu>
Fixes: 701949cc ("ALSA: scarlett2: Add support for reading firmware version")
Link: https://lore.kernel.org/r/ZTuKcXajVnuelBEb@m.b4.vu


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
      a5901f27
    • Matias Ezequiel Vara Larsen's avatar
      ALSA: virtio: use ack callback · fe981e67
      Matias Ezequiel Vara Larsen authored 
      This commit uses the ack() callback to determine when a buffer has been
updated, then exposes it to guest.

The current mechanism splits a dma buffer into descriptors that are
exposed to the device. This dma buffer is shared with the user
application. When the device consumes a buffer, the driver moves the
request from the used ring to available ring.

The driver exposes the buffer to the device without knowing if the
content has been updated from the user. The section 2.8.21.1 of the
virtio spec states that: "The device MAY access the descriptor chains
the driver created and the memory they refer to immediately". If the
device picks up buffers from the available ring just after it is
notified, it happens that the content may be old.

When the ack() callback is invoked, the driver exposes only the buffers
that have already been updated, i.e., enqueued in the available ring.
Thus, the device always picks up a buffer that is updated.

For capturing, the driver starts by exposi...
      fe981e67
    • Geoffrey D. Bennett's avatar
      ALSA: scarlett2: Remap Level Meter values · 3473185f
      Geoffrey D. Bennett authored 
      

The values previously returned by the Level Meter control were passed
through from the interface without interpretation, but it has been
discovered that the order of the values matches the mux assignment
order (which is not presented to userspace). In addition, the values
for disabled mux outputs, and mux outputs which share a source are
invalid.

This patch adds a per-device meter_map[], and a dynamic
meter_level_map[] which is updated on routing changes. The meter level
map gets used by scarlett2_meter_ctl_get() to both present the values
in a standard order, and to fix up the invalid values by zeroing them
(for disabled outputs) and copying them (for mux outputs which share a
source).

Signed-off-by: default avatarGeoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/d437ace603eff685d2e0c3d0960589d7a09dd647.1698342632.git.g@b4.vu


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
      3473185f