Re: [PATCH] IIO: DAC: Add support for the AD5543/AD5553

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On 02/14/11 14:46, michael.hennerich@xxxxxxxxxx wrote:
> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> 
> Add support for the AD5543/AD5553 SPI 16-/14-Bit DACs
> Fix typo in kconfig description
Now this is the sort of patch I like to see for adding new devices support :)
Couple of trivial questions about ordering of device names inline.
> 
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
> ---
>  drivers/staging/iio/dac/Kconfig  |    6 +++---
>  drivers/staging/iio/dac/ad5446.c |   12 ++++++++++++
>  drivers/staging/iio/dac/ad5446.h |    2 ++
>  3 files changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/iio/dac/Kconfig b/drivers/staging/iio/dac/Kconfig
> index 2120904..64e6730 100644
> --- a/drivers/staging/iio/dac/Kconfig
> +++ b/drivers/staging/iio/dac/Kconfig
> @@ -11,11 +11,11 @@ config AD5624R_SPI
>  	  AD5664R convertors (DAC). This driver uses the common SPI interface.
>  
>  config AD5446
> -	tristate "Analog Devices AD5444/6, AD5620/40/60 and AD5541A/12A DAC SPI driver"
> +	tristate "Analog Devices AD5444/6, AD5620/40/60 and AD5542A/12A DAC SPI driver"
Do you want the new devices in this description?  It's getting a bit long anyway
so I can see why you might not want them there!
>  	depends on SPI
>  	help
> -	  Say yes here to build support for Analog Devices AD5444, AD5446,
> -	  AD5620, AD5640, AD5660 and AD5541A, AD5512A DACs.
> +	  Say yes here to build support for Analog Devices AD5444, AD5446, AD5543,
> +	  AD5553, AD5620, AD5640, AD5660 and AD5542A, AD5512A DACs.
Why this ordering?
>  
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called ad5446.
> diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
> index 0f87eca..dcec297 100644
> --- a/drivers/staging/iio/dac/ad5446.c
> +++ b/drivers/staging/iio/dac/ad5446.c
> @@ -132,12 +132,24 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
>  		.left_shift = 0,
>  		.store_sample = ad5542_store_sample,
>  	},
> +	[ID_AD5543] = {
> +		.bits = 16,
> +		.storagebits = 16,
> +		.left_shift = 0,
> +		.store_sample = ad5542_store_sample,
> +	},
>  	[ID_AD5512A] = {
>  		.bits = 12,
>  		.storagebits = 16,
>  		.left_shift = 4,
>  		.store_sample = ad5542_store_sample,
>  	},
> +	[ID_AD5553] = {
> +		.bits = 14,
> +		.storagebits = 16,
> +		.left_shift = 0,
> +		.store_sample = ad5542_store_sample,
> +	},
>  	[ID_AD5620_2500] = {
>  		.bits = 12,
>  		.storagebits = 16,
> diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h
> index 902542e..0cb9c14 100644
> --- a/drivers/staging/iio/dac/ad5446.h
> +++ b/drivers/staging/iio/dac/ad5446.h
> @@ -84,7 +84,9 @@ enum ad5446_supported_device_ids {
>  	ID_AD5444,
>  	ID_AD5446,
>  	ID_AD5542A,
> +	ID_AD5543,
>  	ID_AD5512A,
This does seem like a slightly random order. Care to explain why it is like this?
(applies to the avoid use of these as well)
> +	ID_AD5553,
>  	ID_AD5620_2500,
>  	ID_AD5620_1250,
>  	ID_AD5640_2500,

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