ASoC: cs35l41: Detect CSPL errors when sending CSPL commands
authorStefan Binding <sbinding@opensource.cirrus.com>
Thu, 26 Oct 2023 15:05:58 +0000 (16:05 +0100)
committerTakashi Iwai <tiwai@suse.de>
Thu, 26 Oct 2023 15:55:29 +0000 (17:55 +0200)
commit76c121821a3128eb9d0183a525cf334beb9ccc47
tree90896d4b53992210cc85c6fed22b958bbb67d929
parenta51d8ba03a4fc92940d5e349f0325f36e85a89cb
ASoC: cs35l41: Detect CSPL errors when sending CSPL commands

The existing code checks for the correct state transition after sending
a command. However, it is possible for the message box to return -1,
which indicates an error, if an error has occurred in the firmware.
We can detect if the error has occurred, and return a different error.
In addition, there is no recovering from a CSPL error, so the retry
mechanism is not needed in this case, and we can return immediately.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231026150558.2105827-9-sbinding@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
include/sound/cs35l41.h
sound/soc/codecs/cs35l41-lib.c