1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/sound/wm9090.h -- Platform data for WM9090 4 * 5 * Copyright 2009, 2010 Wolfson Microelectronics. PLC. 6 */ 7 8 #ifndef __LINUX_SND_WM9090_H 9 #define __LINUX_SND_WM9090_H 10 11 struct wm9090_platform_data { 12 /* Line inputs 1 & 2 can optionally be differential */ 13 unsigned int lin1_diff:1; 14 unsigned int lin2_diff:1; 15 16 /* AGC configuration. This is intended to protect the speaker 17 * against overdriving and will therefore depend on the 18 * hardware setup with incorrect runtime configuration 19 * potentially causing hardware damage. 20 */ 21 unsigned int agc_ena:1; 22 u16 agc[3]; 23 }; 24 25 #endif 26