With the introduction of WM8960_SYSCLK_AUTO mode, WM8960_SYSCLK_PLL mode was made unusable. Ensure we're not PLL mode before trying to use MCLK.
Change-Id: Iee623a84fc8bf561bc13865dc92589ecc6998f2a Fixes: 3176bf2d7ccd ("ASoC: wm8960: update pll and clock setting function") Signed-off-by: Stuart Henderson stuarth@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8960.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index 7f20fb2..d7f444f 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -643,29 +643,31 @@ static int wm8960_configure_clocking(struct snd_soc_codec *codec) return -EINVAL; }
- /* check if the sysclk frequency is available. */ - for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) { - if (sysclk_divs[i] == -1) - continue; - sysclk = freq_out / sysclk_divs[i]; - for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) { - if (sysclk == dac_divs[j] * lrclk) { + if (wm8960->clk_id != WM8960_SYSCLK_PLL) { + /* check if the sysclk frequency is available. */ + for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) { + if (sysclk_divs[i] == -1) + continue; + sysclk = freq_out / sysclk_divs[i]; + for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) { + if (sysclk != dac_divs[j] * lrclk) + continue; for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) if (sysclk == bclk * bclk_divs[k] / 10) break; if (k != ARRAY_SIZE(bclk_divs)) break; } + if (j != ARRAY_SIZE(dac_divs)) + break; } - if (j != ARRAY_SIZE(dac_divs)) - break; - }
- if (i != ARRAY_SIZE(sysclk_divs)) { - goto configure_clock; - } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) { - dev_err(codec->dev, "failed to configure clock\n"); - return -EINVAL; + if (i != ARRAY_SIZE(sysclk_divs)) { + goto configure_clock; + } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) { + dev_err(codec->dev, "failed to configure clock\n"); + return -EINVAL; + } } /* get a available pll out frequency and set pll */ for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {