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@xxxxxxxxxxxxx>
---
drivers/mfd/ucb1400_core.c | 20 ++++++++++++++++++++
include/linux/ucb1400.h | 20 ++------------------
2 files changed, 22 insertions(+), 18 deletions(-)
diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c
index 88f33c1..3a89e7f 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 970473b..1b0840d 100644
--- a/include/linux/ucb1400.h
+++ b/include/linux/ucb1400.h
@@ -134,24 +134,8 @@ 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;
-}
+unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
+ int adcsync);
static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
{
--
1.5.6.5
--
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