AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-26 12:55:09 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ASoC: tlv320adcx140: Add the config to configure Tx ASI output

Browse Source 
Add code to allow the ASI Tx output to be placed into High-z mode
during unused ASI cycles.  This allows for other devices that may be on
the bus to drive the ASI out. By default the 320adcx140 sends 0's for
unused cycles.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200915190606.1744-4-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Murphy 2020-09-15 14:06:04 -05:00 committed by Mark Brown
parent dcde34c47d
commit 42d5031d3e
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sound/soc/codecs/tlv320adcx140.c
View File

@ -876,6 +876,7 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
u32 gpi_input_val = 0;
int i;
int ret;
bool tx_high_z;
ret = device_property_read_u32(adcx140->dev, "ti,mic-bias-source",
&bias_source);
@ -967,6 +968,16 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
if (ret)
dev_err(adcx140->dev, "setting MIC bias failed %d\n", ret);
tx_high_z = device_property_read_bool(adcx140->dev, "ti,asi-tx-drive");
if (tx_high_z) {
ret = regmap_update_bits(adcx140->regmap, ADCX140_ASI_CFG0,
ADCX140_TX_FILL, ADCX140_TX_FILL);
if (ret) {
dev_err(adcx140->dev, "Setting Tx drive failed %d\n", ret);
goto out;
}
}
adcx140_pwr_ctrl(adcx140, true);
out:
return ret;

1
sound/soc/codecs/tlv320adcx140.h
View File

@ -146,5 +146,6 @@
#define ADCX140_GPO_CFG_MAX 4
#define ADCX140_GPO_DRV_MAX 5
#define ADCX140_TX_FILL BIT(0)
#endif /* _TLV320ADCX140_ */