Here is a list of all variables with links to the structures/unions they belong to:

• bass_max : headphoneamp2_cmd_t
• gain_max : headphoneamp2_cmd_t
• i2c : headphoneamp2_t
• i2c_address : headphoneamp2_cfg_t
• i2c_speed : headphoneamp2_cfg_t
• scl : headphoneamp2_cfg_t
• sda : headphoneamp2_cfg_t
• shd : headphoneamp2_cfg_t, headphoneamp2_t
• slave_address : headphoneamp2_t
• volume : headphoneamp2_cmd_t
• wakes_up : headphoneamp2_cmd_t