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* [PATCH] staging: iio: dac: ad5446: Remove unused sign member from chip specific information structure
@ 2010-11-23 10:40 michael.hennerich
  2010-11-23 12:42 ` Jonathan Cameron
  0 siblings, 1 reply; 2+ messages in thread
From: michael.hennerich @ 2010-11-23 10:40 UTC (permalink / raw)
  To: greg; +Cc: linux-iio, drivers, jic23, device-drivers-devel,
	Michael Hennerich

From: Michael Hennerich <michael.hennerich@analog.com>

Remove unused sign member from chip specific information structure
Fix typos

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
---
 drivers/staging/iio/dac/ad5446.c |   10 ----------
 drivers/staging/iio/dac/ad5446.h |    6 ++----
 2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
index 4d65d27..e3387cd 100644
--- a/drivers/staging/iio/dac/ad5446.c
+++ b/drivers/staging/iio/dac/ad5446.c
@@ -118,35 +118,30 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 12,
 		.storagebits = 16,
 		.left_shift = 2,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.store_sample = ad5446_store_sample,
 	},
 	[ID_AD5446] = {
 		.bits = 14,
 		.storagebits = 16,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.store_sample = ad5446_store_sample,
 	},
 	[ID_AD5542A] = {
 		.bits = 16,
 		.storagebits = 16,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.store_sample = ad5542_store_sample,
 	},
 	[ID_AD5512A] = {
 		.bits = 12,
 		.storagebits = 16,
 		.left_shift = 4,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.store_sample = ad5542_store_sample,
 	},
 	[ID_AD5620_2500] = {
 		.bits = 12,
 		.storagebits = 16,
 		.left_shift = 2,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 2500,
 		.store_sample = ad5620_store_sample,
 	},
@@ -154,7 +149,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 12,
 		.storagebits = 16,
 		.left_shift = 2,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 1250,
 		.store_sample = ad5620_store_sample,
 	},
@@ -162,7 +156,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 14,
 		.storagebits = 16,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 2500,
 		.store_sample = ad5620_store_sample,
 	},
@@ -170,7 +163,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 14,
 		.storagebits = 16,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 1250,
 		.store_sample = ad5620_store_sample,
 	},
@@ -178,7 +170,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 16,
 		.storagebits = 24,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 2500,
 		.store_sample = ad5660_store_sample,
 	},
@@ -186,7 +177,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
 		.bits = 16,
 		.storagebits = 24,
 		.left_shift = 0,
-		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
 		.int_vref_mv = 1250,
 		.store_sample = ad5660_store_sample,
 	},
diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h
index ca795a9..902542e 100644
--- a/drivers/staging/iio/dac/ad5446.h
+++ b/drivers/staging/iio/dac/ad5446.h
@@ -56,20 +56,18 @@ struct ad5446_state {
 };
 
 /**
- * struct ad5446_chip_info - chip specifc information
+ * struct ad5446_chip_info - chip specific information
  * @bits:		accuracy of the DAC in bits
  * @storagebits:	number of bits written to the DAC
  * @left_shift:		number of bits the datum must be shifted
- * @sign:		data representation [s]igned or [u]nsigned
  * @int_vref_mv:	AD5620/40/60: the internal reference voltage
- * @store_sample:	chip specifc helper function to store the datum
+ * @store_sample:	chip specific helper function to store the datum
  */
 
 struct ad5446_chip_info {
 	u8				bits;
 	u8				storagebits;
 	u8				left_shift;
-	char				sign;
 	u16				int_vref_mv;
 	void (*store_sample)		(struct ad5446_state *st, unsigned val);
 };
-- 
1.6.0.2

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] staging: iio: dac: ad5446: Remove unused sign member from chip specific information structure
  2010-11-23 10:40 [PATCH] staging: iio: dac: ad5446: Remove unused sign member from chip specific information structure michael.hennerich
@ 2010-11-23 12:42 ` Jonathan Cameron
  0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2010-11-23 12:42 UTC (permalink / raw)
  To: michael.hennerich; +Cc: greg, linux-iio, drivers, device-drivers-devel

On 11/23/10 10:40, michael.hennerich@analog.com wrote:
> From: Michael Hennerich <michael.hennerich@analog.com>
> 
> Remove unused sign member from chip specific information structure
> Fix typos
> 
> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
> ---
>  drivers/staging/iio/dac/ad5446.c |   10 ----------
>  drivers/staging/iio/dac/ad5446.h |    6 ++----
>  2 files changed, 2 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
> index 4d65d27..e3387cd 100644
> --- a/drivers/staging/iio/dac/ad5446.c
> +++ b/drivers/staging/iio/dac/ad5446.c
> @@ -118,35 +118,30 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 12,
>  		.storagebits = 16,
>  		.left_shift = 2,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.store_sample = ad5446_store_sample,
>  	},
>  	[ID_AD5446] = {
>  		.bits = 14,
>  		.storagebits = 16,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.store_sample = ad5446_store_sample,
>  	},
>  	[ID_AD5542A] = {
>  		.bits = 16,
>  		.storagebits = 16,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.store_sample = ad5542_store_sample,
>  	},
>  	[ID_AD5512A] = {
>  		.bits = 12,
>  		.storagebits = 16,
>  		.left_shift = 4,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.store_sample = ad5542_store_sample,
>  	},
>  	[ID_AD5620_2500] = {
>  		.bits = 12,
>  		.storagebits = 16,
>  		.left_shift = 2,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 2500,
>  		.store_sample = ad5620_store_sample,
>  	},
> @@ -154,7 +149,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 12,
>  		.storagebits = 16,
>  		.left_shift = 2,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 1250,
>  		.store_sample = ad5620_store_sample,
>  	},
> @@ -162,7 +156,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 14,
>  		.storagebits = 16,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 2500,
>  		.store_sample = ad5620_store_sample,
>  	},
> @@ -170,7 +163,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 14,
>  		.storagebits = 16,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 1250,
>  		.store_sample = ad5620_store_sample,
>  	},
> @@ -178,7 +170,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 16,
>  		.storagebits = 24,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 2500,
>  		.store_sample = ad5660_store_sample,
>  	},
> @@ -186,7 +177,6 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.bits = 16,
>  		.storagebits = 24,
>  		.left_shift = 0,
> -		.sign = 'u', /* IIO_SCAN_EL_TYPE_UNSIGNED */
>  		.int_vref_mv = 1250,
>  		.store_sample = ad5660_store_sample,
>  	},
> diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h
> index ca795a9..902542e 100644
> --- a/drivers/staging/iio/dac/ad5446.h
> +++ b/drivers/staging/iio/dac/ad5446.h
> @@ -56,20 +56,18 @@ struct ad5446_state {
>  };
>  
>  /**
> - * struct ad5446_chip_info - chip specifc information
> + * struct ad5446_chip_info - chip specific information
>   * @bits:		accuracy of the DAC in bits
>   * @storagebits:	number of bits written to the DAC
>   * @left_shift:		number of bits the datum must be shifted
> - * @sign:		data representation [s]igned or [u]nsigned
>   * @int_vref_mv:	AD5620/40/60: the internal reference voltage
> - * @store_sample:	chip specifc helper function to store the datum
> + * @store_sample:	chip specific helper function to store the datum
>   */
>  
>  struct ad5446_chip_info {
>  	u8				bits;
>  	u8				storagebits;
>  	u8				left_shift;
> -	char				sign;
>  	u16				int_vref_mv;
>  	void (*store_sample)		(struct ad5446_state *st, unsigned val);
>  };


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2010-11-23 12:42 ` Jonathan Cameron

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