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-rw-r--r--include/linux/mfd/wm8994/pdata.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index 195ade95af38..5256f1f41d7f 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -113,6 +113,23 @@ struct wm8958_enh_eq_cfg {
u16 regs[WM8958_ENH_EQ_REGS];
};
+/**
+ * Microphone detection rates, used to tune response rates and power
+ * consumption for WM8958/WM1811 microphone detection.
+ *
+ * @sysclk: System clock rate to use this configuration for.
+ * @idle: True if this configuration should use when no accessory is detected,
+ * false otherwise.
+ * @start: Value for MICD_BIAS_START_TIME register field (not shifted).
+ * @rate: Value for MICD_RATE register field (not shifted).
+ */
+struct wm8958_micd_rate {
+ int sysclk;
+ bool idle;
+ int start;
+ int rate;
+};
+
struct wm8994_pdata {
int gpio_base;
@@ -144,6 +161,9 @@ struct wm8994_pdata {
int num_enh_eq_cfgs;
struct wm8958_enh_eq_cfg *enh_eq_cfgs;
+ int num_micd_rates;
+ struct wm8958_micd_rate *micd_rates;
+
/* LINEOUT can be differential or single ended */
unsigned int lineout1_diff:1;
unsigned int lineout2_diff:1;
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