diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2019-12-30 15:35:16 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-12-31 01:21:36 +0100 |
| commit | 1094af1199007976370b8f04b4d6668ad9707954 (patch) | |
| tree | 3ef914574fa464834d69eab621a448f053a0b355 /sound/soc/codecs/cs47l92.c | |
| parent | ASoC: cs47l92: Simplify error handling code in 'cs47l92_probe()' (diff) | |
| download | linux-1094af1199007976370b8f04b4d6668ad9707954.tar.xz linux-1094af1199007976370b8f04b4d6668ad9707954.zip | |
ASoC: madera: Enable clocks for input pins when used as a direct clock
When one of the MCLK pins is used to supply an internal clock directly
enable the source clock for that pin.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20191230143517.21005-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs47l92.c')
| -rw-r--r-- | sound/soc/codecs/cs47l92.c | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/sound/soc/codecs/cs47l92.c b/sound/soc/codecs/cs47l92.c index 536b7d35d6b2..cbffcd84766d 100644 --- a/sound/soc/codecs/cs47l92.c +++ b/sound/soc/codecs/cs47l92.c @@ -163,6 +163,51 @@ static int cs47l92_adsp_power_ev(struct snd_soc_dapm_widget *w, return wm_adsp_early_event(w, kcontrol, event); } +static int cs47l92_outclk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct cs47l92 *cs47l92 = snd_soc_component_get_drvdata(component); + struct madera_priv *priv = &cs47l92->core; + struct madera *madera = priv->madera; + unsigned int val; + int ret; + + ret = regmap_read(madera->regmap, MADERA_OUTPUT_RATE_1, &val); + if (ret) { + dev_err(madera->dev, "Failed to read OUTCLK source: %d\n", ret); + return ret; + } + + val &= MADERA_OUT_CLK_SRC_MASK; + + switch (val) { + case MADERA_OUTCLK_MCLK1: + case MADERA_OUTCLK_MCLK2: + case MADERA_OUTCLK_MCLK3: + val -= (MADERA_OUTCLK_MCLK1 - MADERA_MCLK1); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + ret = clk_prepare_enable(madera->mclk[val].clk); + if (ret) + return ret; + break; + case SND_SOC_DAPM_POST_PMD: + clk_disable_unprepare(madera->mclk[val].clk); + break; + default: + break; + } + default: + break; + } + + return madera_domain_clk_ev(w, kcontrol, event); +} + #define CS47L92_NG_SRC(name, base) \ SOC_SINGLE(name " NG HPOUT1L Switch", base, 0, 1, 0), \ SOC_SINGLE(name " NG HPOUT1R Switch", base, 1, 1, 0), \ @@ -615,15 +660,18 @@ static const struct snd_kcontrol_new cs47l92_aec_loopback_mux = static const struct snd_soc_dapm_widget cs47l92_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", MADERA_SYSTEM_CLOCK_1, MADERA_SYSCLK_ENA_SHIFT, 0, madera_sysclk_ev, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", MADERA_ASYNC_CLOCK_1, - MADERA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + MADERA_ASYNC_CLK_ENA_SHIFT, 0, madera_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", MADERA_OUTPUT_SYSTEM_CLOCK, MADERA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", MADERA_OUTPUT_ASYNC_CLOCK, MADERA_OPCLK_ASYNC_ENA_SHIFT, 0, NULL, 0), -SND_SOC_DAPM_SUPPLY("DSPCLK", MADERA_DSP_CLOCK_1, - MADERA_DSP_CLK_ENA_SHIFT, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("DSPCLK", MADERA_DSP_CLOCK_1, MADERA_DSP_CLK_ENA_SHIFT, + 0, madera_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD1", 20, 0), SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD2", 20, 0), @@ -666,7 +714,7 @@ SND_SOC_DAPM_SUPPLY("ISRC2CLK", SND_SOC_NOPM, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OUTCLK", SND_SOC_NOPM, MADERA_DOM_GRP_OUT, 0, - madera_domain_clk_ev, + cs47l92_outclk_ev, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("SPDCLK", SND_SOC_NOPM, MADERA_DOM_GRP_SPD, 0, |