| Charles Keepax | 5530ef1 | 2015-10-27 16:01:56 +0000 | [diff] [blame] | 1 | Cirrus Logic Arizona class audio SoCs |
| 2 | |
| 3 | These devices are audio SoCs with extensive digital capabilities and a range |
| 4 | of analogue I/O. |
| 5 | |
| 6 | This document lists Extcon specific bindings, see the primary binding document: |
| 7 | ../mfd/arizona.txt |
| 8 | |
| 9 | Optional properties: |
| 10 | |
| 11 | - wlf,hpdet-channel : Headphone detection channel. |
| 12 | ARIZONA_ACCDET_MODE_HPL or 1 - Headphone detect mode is set to HPDETL |
| 13 | ARIZONA_ACCDET_MODE_HPR or 2 - Headphone detect mode is set to HPDETR |
| 14 | If this node is not mentioned or if the value is unknown, then |
| 15 | headphone detection mode is set to HPDETL. |
| Charles Keepax | afe3300 | 2015-11-19 15:45:39 +0000 | [diff] [blame^] | 16 | |
| 17 | - wlf,micd-software-compare : Use a software comparison to determine mic |
| 18 | presence |
| 19 | - wlf,micd-detect-debounce : Additional software microphone detection |
| 20 | debounce specified in milliseconds. |
| 21 | - wlf,micd-pol-gpio : GPIO specifier for the GPIO controlling the headset |
| 22 | polarity if one exists. |
| 23 | - wlf,micd-bias-start-time : Time allowed for MICBIAS to startup prior to |
| 24 | performing microphone detection, specified as per the ARIZONA_MICD_TIME_XXX |
| 25 | defines. |
| 26 | - wlf,micd-rate : Delay between successive microphone detection measurements, |
| 27 | specified as per the ARIZONA_MICD_TIME_XXX defines. |
| 28 | - wlf,micd-dbtime : Microphone detection hardware debounces specified as the |
| 29 | number of measurements to take, valid values being 2 and 4. |
| 30 | - wlf,micd-timeout : Timeout for microphone detection, specified in |
| 31 | milliseconds. |
| 32 | - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone |
| 33 | detection. |
| 34 | |
| 35 | - wlf,gpsw : Settings for the general purpose switch |