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authorRichard Fitzgerald <rf@opensource.cirrus.com>2023-11-21 15:44:19 +0000
committerTakashi Iwai <tiwai@suse.de>2023-11-22 14:39:42 +0100
commit732c678eb021dbc514a699be1815e194692fdd5c (patch)
tree36c9a07e0c3f4b1b08ecebf3013397dfe92296c9 /sound/pci
parentd04ce4113cb4e5c2deddcb161db42a25917f285f (diff)
ALSA: hda: cs35l56: Enable low-power hibernation mode on SPI
SPI hibernation is now supported with the latest hibernation/wake sequences in the shared ASoC code. This has a functional dependency on two commits: commit 3df761bdbc8b ("ASoC: cs35l56: Wake transactions need to be issued twice") commit a47cf4dac7dc ("ASoC: cs35l56: Change hibernate sequence to use allow auto hibernate") To protect against this, enabling hibernation is conditional on CS35L56_WAKE_HOLD_TIME_US being defined, which indicates that the new hibernation sequences are available. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231121154419.19435-1-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_spi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l56_hda_spi.c b/sound/pci/hda/cs35l56_hda_spi.c
index 756aec342eab..27d7fbc56b4c 100644
--- a/sound/pci/hda/cs35l56_hda_spi.c
+++ b/sound/pci/hda/cs35l56_hda_spi.c
@@ -21,6 +21,10 @@ static int cs35l56_hda_spi_probe(struct spi_device *spi)
return -ENOMEM;
cs35l56->base.dev = &spi->dev;
+
+#ifdef CS35L56_WAKE_HOLD_TIME_US
+ cs35l56->base.can_hibernate = true;
+#endif
cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi);
if (IS_ERR(cs35l56->base.regmap)) {
ret = PTR_ERR(cs35l56->base.regmap);