diff options
| author | Oder Chiou <oder_chiou@realtek.com> | 2014-05-20 15:01:54 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-06-01 20:04:30 +0100 |
| commit | 71c7a2d675c8fe9b6ab284dcf586f30a7109c96c (patch) | |
| tree | 4e988ed02a95e9936accebff5c4e5a38b48c45b5 /sound/soc/codecs/rl6231.h | |
| parent | 49ef7925c237a2f9da327ea3481dd5bba54693e8 (diff) | |
| download | linux-71c7a2d675c8fe9b6ab284dcf586f30a7109c96c.tar.bz2 | |
ASoC: rt5640: Add the function of the PLL clock calculation to RL6231 shared support
The patch adds the function of the PLL clock calculation to RL6231 shared
support.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/rl6231.h')
| -rw-r--r-- | sound/soc/codecs/rl6231.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/codecs/rl6231.h b/sound/soc/codecs/rl6231.h index 00032dba1aa9..efdfc869afe9 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__ */ |