diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx/adc.c')
| -rw-r--r-- | arch/arm/plat-s3c24xx/adc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c index a9eec95f70d..9056bcc6c17 100644 --- a/arch/arm/plat-s3c24xx/adc.c +++ b/arch/arm/plat-s3c24xx/adc.c @@ -69,10 +69,19 @@ static LIST_HEAD(adc_pending); #define adc_dbg(_adc, msg...) dev_dbg(&(_adc)->pdev->dev, msg) +#define AUTOPST (S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | \ + S3C2410_ADCTSC_XP_SEN | S3C2410_ADCTSC_AUTO_PST | \ + S3C2410_ADCTSC_XY_PST(0)) + + static inline void s3c_adc_convert(struct adc_device *adc) { unsigned con = readl(adc->regs + S3C2410_ADCCON); + if (adc->cur->is_ts) + writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST, + adc->regs + S3C2410_ADCTSC); + con |= S3C2410_ADCCON_ENABLE_START; writel(con, adc->regs + S3C2410_ADCCON); } |