diff options
| author | Oder Chiou <oder_chiou@realtek.com> | 2014-05-20 11:01:55 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-06-01 23:04:30 +0400 |
| commit | d92950e755328a0293af66e18096e0cae29996f1 (patch) | |
| tree | f4f5a06ad7856bb3d34cb80663c2f3183a87359e /sound/soc/codecs/rl6231.c | |
| parent | 71c7a2d675c8fe9b6ab284dcf586f30a7109c96c (diff) | |
| download | linux-d92950e755328a0293af66e18096e0cae29996f1.tar.xz | |
ASoC: rt5640: Add the function "get_clk_info" to RL6231 shared support
The patch adds the function "get_clk_info" 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.c')
| -rw-r--r-- | sound/soc/codecs/rl6231.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/codecs/rl6231.c b/sound/soc/codecs/rl6231.c index 289024be1d40..7b82fbe0d14c 100644 --- a/sound/soc/codecs/rl6231.c +++ b/sound/soc/codecs/rl6231.c @@ -131,6 +131,22 @@ code_find: } EXPORT_SYMBOL_GPL(rl6231_pll_calc); +int rl6231_get_clk_info(int sclk, int rate) +{ + int i, pd[] = {1, 2, 3, 4, 6, 8, 12, 16}; + + if (sclk <= 0 || rate <= 0) + return -EINVAL; + + rate = rate << 8; + for (i = 0; i < ARRAY_SIZE(pd); i++) + if (sclk == rate * pd[i]) + return i; + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(rl6231_get_clk_info); + MODULE_DESCRIPTION("RL6231 class device shared support"); MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>"); MODULE_LICENSE("GPL v2"); |