ASoC: cs42l42: Export some functions for SoundWire

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>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20230127165111.3010960-6-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index d81c6eb..cefefd7 100644 (file)
--- 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 17aab06..ef8219f 100644 (file)
--- 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);