diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2009-05-27 15:22:58 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-05-27 15:25:05 +0200 |
| commit | cbf806dd9302f3ff27ba496dae474b9da6b58873 (patch) | |
| tree | 083051bf123c7bc52bcdc53918a82fb1ca470067 /include | |
| parent | Input: add driver for EETI touchpanels (diff) | |
| download | linux-cbf806dd9302f3ff27ba496dae474b9da6b58873.tar.xz linux-cbf806dd9302f3ff27ba496dae474b9da6b58873.zip | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ucb1400.h | 23 |
1 files changed, 4 insertions, 19 deletions
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 |