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authorNelson Castillo2009-05-08 15:10:12 +0200
committerBen Dooks2009-05-16 23:22:01 +0200
commit3f7ea467be1bad860c0f71ba7373dd3cf76b485a (patch)
tree336d8ac574c03c528b54630bb0c0fb9f16a10519 /arch/arm/plat-s3c/include/plat/adc.h
parent[ARM] S3C: ADC: Fix lines with more than 80 chars in adc.h (diff)
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[ARM] S3C: ADC: Expose number of remaining conversions to
convert callback This patch allow us to efficiently modify the number of remaining conversions from the client side. This us useful when we do not know in advance how many conversions we will need or when we need to cancel pending conversions. This change is simple enough to be compatible with existing code that can just define the new pointer in the callback and ignore it. Sample usage: http://tinyurl.com/s3c2410-ts-c (function stylus_adc_action). Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c/include/plat/adc.h')
-rw-r--r--arch/arm/plat-s3c/include/plat/adc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h
index ef92e50ac0a7..d847bd476b6c 100644
--- a/arch/arm/plat-s3c/include/plat/adc.h
+++ b/arch/arm/plat-s3c/include/plat/adc.h
@@ -22,7 +22,8 @@ extern int s3c_adc_start(struct s3c_adc_client *client,
extern struct s3c_adc_client *
s3c_adc_register(struct platform_device *pdev,
void (*select)(unsigned selected),
- void (*conv)(unsigned d0, unsigned d1),
+ void (*conv)(unsigned d0, unsigned d1,
+ unsigned *samples_left),
unsigned int is_ts);
extern void s3c_adc_release(struct s3c_adc_client *client);