ASoC: arizona: fix range of OPCLK_REF

The code was able to generate illegal OPCLK_REF values because the
reference frequency tables listed all values of SYSCLK instead of
valid values for OPCLK_REF clock. The maximum OPCLK_REF clock is
49.152MHz or 45.1584MHz.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 8a2221a..5867895 100644 (file)
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -979,24 +979,18 @@ void arizona_init_dvfs(struct arizona_priv *priv)
 }
 EXPORT_SYMBOL_GPL(arizona_init_dvfs);
 
-static unsigned int arizona_sysclk_48k_rates[] = {
+static unsigned int arizona_opclk_ref_48k_rates[] = {
        6144000,
        12288000,
        24576000,
        49152000,
-       73728000,
-       98304000,
-       147456000,
 };
 
-static unsigned int arizona_sysclk_44k1_rates[] = {
+static unsigned int arizona_opclk_ref_44k1_rates[] = {
        5644800,
        11289600,
        22579200,
        45158400,
-       67737600,
-       90316800,
-       135475200,
 };
 
 static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk,
@@ -1021,11 +1015,11 @@ static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk,
        }
 
        if (refclk % 8000)
-               rates = arizona_sysclk_44k1_rates;
+               rates = arizona_opclk_ref_44k1_rates;
        else
-               rates = arizona_sysclk_48k_rates;
+               rates = arizona_opclk_ref_48k_rates;
 
-       for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) &&
+       for (ref = 0; ref < ARRAY_SIZE(arizona_opclk_ref_48k_rates) &&
                     rates[ref] <= refclk; ref++) {
                div = 1;
                while (rates[ref] / div >= freq && div < 32) {