diff options
| author | Stefan Binding | 2022-06-30 01:23:26 +0100 |
|---|---|---|
| committer | Takashi Iwai | 2022-07-14 11:23:13 +0200 |
| commit | e99f3c7e3250dd895d2da506d0d910d641136d2c (patch) | |
| tree | 6d89e9d4283f3e0632c901626d8922bef493fe79 /sound/pci/hda/cs35l41_hda.c | |
| parent | 2e81e1fffd53ba108481f2f14388b628884efe61 (diff) | |
ALSA: hda: cs35l41: Save Subsystem ID inside CS35L41 Driver
The Subsystem ID is read from the HDA driver, and will
be used by the CS35L41 driver to be able to uniquely
identify the laptop, which is required to be able to
define firmware to be used by specific models.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220630002335.366545-6-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/cs35l41_hda.c')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index d68d951c434e..25cb76437ba5 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -355,6 +355,9 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas return -EBUSY; comps->dev = dev; + if (!cs35l41->acpi_subsystem_id) + cs35l41->acpi_subsystem_id = devm_kasprintf(dev, GFP_KERNEL, "%.8x", + comps->codec->core.subsystem_id); cs35l41->codec = comps->codec; strscpy(comps->name, dev_name(dev), sizeof(comps->name)); comps->playback_hook = cs35l41_hda_playback_hook; |