[PATCH v3 5/8] ASoC: cs42l42: Export some functions for SoundWire

Stefan Binding
2023-01-27T16:51:46Z

From: Richard Fitzgerald <rf@opensource.cirrus.com>

Export functions that will be needed by a SoundWire module.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
---
sound/soc/codecs/cs42l42.c | 14 +++++++++-----
sound/soc/codecs/cs42l42.h | 5 +++++
2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index d81c6eb1c1e59..cefefd7061689 100644
--- a/sound/soc/codecs/cs42l42.c
+++ b/sound/soc/codecs/cs42l42.c
@@ -653,8 +653,8 @@ static const struct cs42l42_pll_params pll_ratio_table[] = {
{ 24576000, 1, 0x03, 0x40, 0x000000, 0x03, 0x10, 12288000, 128, 1}
};

-static int cs42l42_pll_config(struct snd_soc_component *component, unsigned int clk,
- unsigned int sample_rate)
+int cs42l42_pll_config(struct snd_soc_component *component, unsigned int clk,
+ unsigned int sample_rate)
{
struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
int i;
@@ -740,8 +740,9 @@ static int cs42l42_pll_config(struct snd_soc_component *component, unsigned int

return -EINVAL;
}
+EXPORT_SYMBOL_NS_GPL(cs42l42_pll_config, SND_SOC_CS42L42_CORE);

-static void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate)
+void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate)
{
struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
unsigned int fs;
@@ -773,6 +774,7 @@ static void cs42l42_src_config(struct snd_soc_component *component, unsigned int
CS42L42_CLK_OASRC_SEL_MASK,
fs << CS42L42_CLK_OASRC_SEL_SHIFT);
}
+EXPORT_SYMBOL_NS_GPL(cs42l42_src_config, SND_SOC_CS42L42_CORE);

static int cs42l42_asp_config(struct snd_soc_component *component,
unsigned int sclk, unsigned int sample_rate)
@@ -1013,7 +1015,7 @@ static int cs42l42_set_bclk_ratio(struct snd_soc_dai *dai,
return 0;
}

-static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
+int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
{
struct snd_soc_component *component = dai->component;
struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
@@ -1106,6 +1108,7 @@ static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)

return 0;
}
+EXPORT_SYMBOL_NS_GPL(cs42l42_mute_stream, SND_SOC_CS42L42_CORE);

#define CS42L42_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
@@ -1648,7 +1651,7 @@ static const struct cs42l42_irq_params irq_params_table[] = {
CS42L42_TSRS_PLUG_VAL_MASK}
};

-static irqreturn_t cs42l42_irq_thread(int irq, void *data)
+irqreturn_t cs42l42_irq_thread(int irq, void *data)
{
struct cs42l42_private *cs42l42 = (struct cs42l42_private *)data;
unsigned int stickies[12];
@@ -1765,6 +1768,7 @@ static irqreturn_t cs42l42_irq_thread(int irq, void *data)

return IRQ_HANDLED;
}
+EXPORT_SYMBOL_NS_GPL(cs42l42_irq_thread, SND_SOC_CS42L42_CORE);

static void cs42l42_set_interrupt_masks(struct cs42l42_private *cs42l42)
{
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h
index 17aab06adc8e6..ef8219f489100 100644
--- a/sound/soc/codecs/cs42l42.h
+++ b/sound/soc/codecs/cs42l42.h
@@ -61,6 +61,11 @@ extern struct snd_soc_dai_driver cs42l42_dai;
bool cs42l42_readable_register(struct device *dev, unsigned int reg);
bool cs42l42_volatile_register(struct device *dev, unsigned int reg);

+int cs42l42_pll_config(struct snd_soc_component *component,
+ unsigned int clk, unsigned int sample_rate);
+void cs42l42_src_config(struct snd_soc_component *component, unsigned int sample_rate);
+int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream);
+irqreturn_t cs42l42_irq_thread(int irq, void *data);
int cs42l42_suspend(struct device *dev);
int cs42l42_resume(struct device *dev);
void cs42l42_resume_restore(struct device *dev);
--
2.34.1