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Cristian Ciocaltea d1c1ca27ca ASoC: es8316: Increment max value for ALC Capture Target Volume control
[ Upstream commit 6f073429037cd79d7311cd8236311c53f5ea8f01 ]

The following error occurs when trying to restore a previously saved
ALSA mixer state (tested on a Rock 5B board):

  $ alsactl --no-ucm -f /tmp/asound.state store hw:Analog
  $ alsactl --no-ucm -I -f /tmp/asound.state restore hw:Analog
  alsactl: set_control:1475: Cannot write control '2:0:0:ALC Capture Target Volume:0' : Invalid argument

According to ES8316 datasheet, the register at address 0x2B, which is
related to the above mixer control, contains by default the value 0xB0.
Considering the corresponding ALC target bits (ALCLVL) are 7:4, the
control is initialized with 11, which is one step above the maximum
value allowed by the driver:

 ALCLVL | dB gain
 -------+--------
  0000  |  -16.5
  0001  |  -15.0
  0010  |  -13.5
  ....  |  .....
  0111  |   -6.0
  1000  |   -4.5
  1001  |   -3.0
  1010  |   -1.5
  ....  |  .....
  1111  |   -1.5

The tests performed using the VU meter feature (--vumeter=TYPE) of
arecord/aplay confirm the specs are correct and there is no measured
gain if the 1011-1111 range would have been mapped to 0 dB:

 dB gain | VU meter %
 --------+-----------
   -6.0  |  30-31
   -4.5  |  35-36
   -3.0  |  42-43
   -1.5  |  50-51
    0.0  |  50-51

Increment the max value allowed for ALC Capture Target Volume control,
so that it matches the hardware default.  Additionally, update the
related TLV to prevent an artificial extension of the dB gain range.

Fixes: b8b88b7087 ("ASoC: add es8316 codec driver")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230530181140.483936-2-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-27 08:37:14 +02:00
arch ARM: ep93xx: fix missing-prototype warnings 2023-07-27 08:37:14 +02:00
block block/blk-iocost (gcc13): keep large values in a new enum 2023-06-14 10:59:54 +02:00
certs
crypto KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 2023-06-21 15:44:08 +02:00
Documentation Remove DECnet support from kernel 2023-06-21 15:44:10 +02:00
drivers memory: brcmstb_dpfe: fix testing array offset after use 2023-07-27 08:37:14 +02:00
fs pstore/ram: Add check for kstrdup 2023-07-27 08:37:06 +02:00
include netlink: Add __sock_i_ino() for __netlink_diag_dump(). 2023-07-27 08:37:12 +02:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-12-08 11:22:59 +01:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:23:06 +01:00
kernel kexec: fix a memory leak in crash_shrink_memory() 2023-07-27 08:37:10 +02:00
lib lib/ts_bm: reset initial match offset for every block of text 2023-07-27 08:37:12 +02:00
LICENSES
mm mm: make wait_on_page_writeback() wait for multiple pending writebacks 2023-06-28 10:18:42 +02:00
net netlink: Add __sock_i_ino() for __netlink_diag_dump(). 2023-07-27 08:37:12 +02:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts scripts/tags.sh: Resolve gtags empty index generation 2023-07-27 08:37:03 +02:00
security ima: Fix build warnings 2023-07-27 08:37:06 +02:00
sound ASoC: es8316: Increment max value for ALC Capture Target Volume control 2023-07-27 08:37:14 +02:00
tools selftests: rtnetlink: remove netdevsim device after ipsec offload test 2023-07-27 08:37:11 +02:00
usr
virt KVM: Destroy target device if coalesced MMIO unregistration fails 2023-03-11 16:44:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Remove DECnet support from kernel 2023-06-21 15:44:10 +02:00
Makefile Linux 5.4.250 2023-07-24 19:10:53 +02:00
README

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