diff options
| author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2023-09-14 18:25:25 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-09-15 11:31:04 +0300 |
| commit | 21484e43b936c4f323d232c6a71c1f47a6af3278 (patch) | |
| tree | 023e921342a50e8f849c462aaa48b98a6b9555a8 /sound/pci | |
| parent | 057a28ef93bdbe84326d34cdb5543afdaab49fe1 (diff) | |
| download | linux-21484e43b936c4f323d232c6a71c1f47a6af3278.tar.xz | |
ALSA: hda: cs35l56: Fix missing RESET GPIO if _SUB is missing
In cs35l56_hda_read_acpi() do not return if ACPI _SUB is missing.
A missing _SUB means that the driver cannot load a system-specific
firmware, because the firmware is identified by the _SUB. But it can
fallback to a generic firmware. Unfortunately this was being handled
by immediately returning 0, which would skip the remaining ACPI
configuration in cs35l56_hda_read_acpi() and so it would not get the
RESET GPIO.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 73cfbfa9caea ("ALSA: hda/cs35l56: Add driver for Cirrus Logic CS35L56 amplifier")
Link: https://lore.kernel.org/r/20230914152525.20829-1-rf@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/cs35l56_hda.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index bc75865b5de8..87ffe8fbff99 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -865,15 +865,13 @@ static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs35l56, int id) sub = acpi_get_subsystem_id(ACPI_HANDLE(cs35l56->base.dev)); if (IS_ERR(sub)) { - /* If no ACPI SUB, return 0 and fallback to legacy firmware path, otherwise fail */ - if (PTR_ERR(sub) == -ENODATA) - return 0; - else - return PTR_ERR(sub); + dev_info(cs35l56->base.dev, + "Read ACPI _SUB failed(%ld): fallback to generic firmware\n", + PTR_ERR(sub)); + } else { + cs35l56->system_name = sub; } - cs35l56->system_name = sub; - cs35l56->base.reset_gpio = devm_gpiod_get_index_optional(cs35l56->base.dev, "reset", cs35l56->index, |