ASoC: wm2200: Provide platform data for MICBIAS configuration
Signed-off-by: Chris Rattray <crattray@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/wm2200.h b/include/sound/wm2200.h
index 79bf55b..bc7ab1a 100644
--- a/include/sound/wm2200.h
+++ b/include/sound/wm2200.h
@@ -12,6 +12,7 @@
#define __LINUX_SND_WM2200_H
#define WM2200_GPIO_SET 0x10000
+#define WM2200_MAX_MICBIAS 2
enum wm2200_in_mode {
WM2200_IN_SE = 0,
@@ -25,6 +26,24 @@
WM2200_DMIC_SUP_MICBIAS2 = 2,
};
+enum wm2200_mbias_lvl {
+ WM2200_MBIAS_LVL_1V5 = 1,
+ WM2200_MBIAS_LVL_1V8 = 2,
+ WM2200_MBIAS_LVL_1V9 = 3,
+ WM2200_MBIAS_LVL_2V0 = 4,
+ WM2200_MBIAS_LVL_2V2 = 5,
+ WM2200_MBIAS_LVL_2V4 = 6,
+ WM2200_MBIAS_LVL_2V5 = 7,
+ WM2200_MBIAS_LVL_2V6 = 8,
+};
+
+struct wm2200_micbias {
+ enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */
+ unsigned int discharge:1; /** Actively discharge */
+ unsigned int fast_start:1; /** Enable aggressive startup ramp rate */
+ unsigned int bypass:1; /** Use bypass mode */
+};
+
struct wm2200_pdata {
int reset; /** GPIO controlling /RESET, if any */
int ldo_ena; /** GPIO controlling LODENA, if any */
@@ -35,7 +54,8 @@
enum wm2200_in_mode in_mode[3];
enum wm2200_dmic_sup dmic_sup[3];
- int micbias_cfg[2]; /** Register value to configure MICBIAS */
+ /** MICBIAS configurations */
+ struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];
};
#endif