Input: ucb1400 - move static function from header into core

it's a little too large for static line.
The ts is currently the only mainline user but Marek Vasut claims that
there is a battery driver in an ARM tree which also needs this function.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

2 files changed, 24 insertions, 19 deletions

diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c
index 178159e264ce..78c2135c5de6 100644
--- a/drivers/mfd/ucb1400_core.c
+++ b/drivers/mfd/ucb1400_core.c
@@ -23,6 +23,26 @@
 #include <linux/module.h>
 #include <linux/ucb1400.h>
 
+unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
+                int adcsync)
+{
+        unsigned int val;
+
+        if (adcsync)
+                adc_channel |= UCB_ADC_SYNC_ENA;
+
+        ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA | adc_channel);
+        ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA | adc_channel |
+                        UCB_ADC_START);
+
+        while (!((val = ucb1400_reg_read(ac97, UCB_ADC_DATA))
+                                & UCB_ADC_DAT_VALID))
+                schedule_timeout_uninterruptible(1);
+
+        return val & UCB_ADC_DAT_MASK;
+}
+EXPORT_SYMBOL_GPL(ucb1400_adc_read);
+
 static int ucb1400_core_probe(struct device *dev)
 {
         int err;
diff --git a/include/linux/ucb1400.h b/include/linux/ucb1400.h
index 970473bf8d5a..ed889f4168f3 100644
--- a/include/linux/ucb1400.h
+++ b/include/linux/ucb1400.h
@@ -134,28 +134,13 @@ static inline void ucb1400_adc_enable(struct snd_ac97 *ac97)
         ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA);
 }
 
-static unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
-                                        int adcsync)
-{
-        unsigned int val;
-
-        if (adcsync)
-                adc_channel |= UCB_ADC_SYNC_ENA;
-
-        ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA | adc_channel);
-        ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA | adc_channel |
-                                UCB_ADC_START);
-
-        while (!((val = ucb1400_reg_read(ac97, UCB_ADC_DATA))
-                        & UCB_ADC_DAT_VALID))
-                schedule_timeout_uninterruptible(1);
-
-        return val & UCB_ADC_DAT_MASK;
-}
-
 static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
 {
         ucb1400_reg_write(ac97, UCB_ADC_CR, 0);
 }
 
+
+unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
+                              int adcsync);
+
 #endif