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ASoC: rt5670: Keep sysclk on if JD func is used

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System clock is necessary for rt5670 JD function. We assume system
clock source will be set in machine driver. So there are two things
left we should do in codec driver.
1. Set sysclk to codec internal clock in probe since machine driver
   may not do that before JD function is registered.
2. Power up PLL once sysclk source is switched to PLL.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2014-12-15 15:42:34 +08:00 committed by Mark Brown
parent f2ecf2ef59
commit 026e73683a
1 changed files with 11 additions and 0 deletions
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11
sound/soc/codecs/rt5670.c
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@ -2190,6 +2190,13 @@ static int rt5670_set_dai_sysclk(struct snd_soc_dai *dai,
if (freq == rt5670->sysclk && clk_id == rt5670->sysclk_src)
return 0;
if (rt5670->pdata.jd_mode) {
if (clk_id == RT5670_SCLK_S_PLL1)
snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
else
snd_soc_dapm_disable_pin(&codec->dapm, "PLL1");
snd_soc_dapm_sync(&codec->dapm);
}
switch (clk_id) {
case RT5670_SCLK_S_MCLK:
reg_val |= RT5670_SCLK_SRC_MCLK;
@ -2628,6 +2635,10 @@ static int rt5670_i2c_probe(struct i2c_client *i2c,
}
if (rt5670->pdata.jd_mode) {
regmap_update_bits(rt5670->regmap, RT5670_GLB_CLK,
RT5670_SCLK_SRC_MASK, RT5670_SCLK_SRC_RCCLK);
rt5670->sysclk = 0;
rt5670->sysclk_src = RT5670_SCLK_S_RCCLK;
regmap_update_bits(rt5670->regmap, RT5670_PWR_ANLG1,
RT5670_PWR_MB, RT5670_PWR_MB);
regmap_update_bits(rt5670->regmap, RT5670_PWR_ANLG2,