diff options
Diffstat (limited to 'src/drivers/i2c/cs42l42/chip.h')
| -rw-r--r-- | src/drivers/i2c/cs42l42/chip.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/i2c/cs42l42/chip.h b/src/drivers/i2c/cs42l42/chip.h index 5be2e14cd1..1adffe7088 100644 --- a/src/drivers/i2c/cs42l42/chip.h +++ b/src/drivers/i2c/cs42l42/chip.h @@ -106,4 +106,14 @@ struct drivers_i2c_cs42l42_config { uint64_t bias_lvls[4]; /* headset bias ramp rate */ enum cs42l42_hs_bias_ramp_rate hs_bias_ramp_rate; + /* + * cirrus,hs-bias-sense-disable: This is boolean property. If present the + * HSBIAS sense is disabled. Configures HSBIAS output current sense through + * the external 2.21-k resistor. HSBIAS_SENSE is hardware feature to reduce + * the potential pop noise during the headset plug out slowly. But on some + * platforms ESD voltage will affect it causing test to fail, especially + * with CTIA headset type. For different hardware setups, a designer might + * want to tweak default behavior. + */ + bool hs_bias_sense_disable; }; |