Messages in this thread Patch in this message | | | From | Lucas Tanure <> | Subject | [PATCH v5] ASoC: cs35l41: Steam Deck Shared boost properties quirk | Date | Thu, 9 Mar 2023 14:00:51 +0000 |
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Add support for Steam Deck bios old properties. If a Steam deck didn't upgrade the BIOS, the driver should be able to handle the previous properties for shared boost types.
Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> --- Changes since V4: - Add documentation about this quirk
Changes since V3: - Fixed missing space in if statement - Fix the build issue, as dependency patches are already merged
Changes since V2: - sent the wrong patch with missing fixed lines Changes since V1: - else in same line as { --- sound/soc/codecs/cs35l41.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 1624510d09c0..9ec01a5f09ca 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -1022,9 +1022,21 @@ static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cf unsigned int val; int ret; - ret = device_property_read_u32(dev, "cirrus,boost-type", &val); - if (ret >= 0) - hw_cfg->bst_type = val; + /* Some ACPI systems received the Shared Boost feature before the upstream driver, + * leaving those systems with deprecated _DSD properties. + * To correctly configure those systems add shared-boost-active and shared-boost-passive + * properties mapped to the correct value in boost-type. + * These two are not DT properties and should not be used in new systems designs. + */ + if (device_property_read_bool(dev, "cirrus,shared-boost-active")) { + hw_cfg->bst_type = CS35L41_SHD_BOOST_ACTV; + } else if (device_property_read_bool(dev, "cirrus,shared-boost-passive")) { + hw_cfg->bst_type = CS35L41_SHD_BOOST_PASS; + } else { + ret = device_property_read_u32(dev, "cirrus,boost-type", &val); + if (ret >= 0) + hw_cfg->bst_type = val; + } ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val); if (ret >= 0) -- 2.39.2
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