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-rw-r--r--sound/soc/codecs/rl6231.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/codecs/rl6231.h b/sound/soc/codecs/rl6231.h
index 00032db..efdfc86 100644
--- a/sound/soc/codecs/rl6231.h
+++ b/sound/soc/codecs/rl6231.h
@@ -13,6 +13,21 @@
#ifndef __RL6231_H__
#define __RL6231_H__
+#define RL6231_PLL_INP_MAX 40000000
+#define RL6231_PLL_INP_MIN 256000
+#define RL6231_PLL_N_MAX 0x1ff
+#define RL6231_PLL_K_MAX 0x1f
+#define RL6231_PLL_M_MAX 0xf
+
+struct rl6231_pll_code {
+ bool m_bp; /* Indicates bypass m code or not. */
+ int m_code;
+ int n_code;
+ int k_code;
+};
+
int rl6231_calc_dmic_clk(int rate);
+int rl6231_pll_calc(const unsigned int freq_in,
+ const unsigned int freq_out, struct rl6231_pll_code *pll_code);
#endif /* __RL6231_H__ */
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