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SubjectRe: [alsa-devel] [PATCH 1/2] MFD: twl6040: Fix revision information
Hello Peter,

On 7/16/2012 3:19 PM, Peter Ujfalusi wrote:
> twl6040 ES1.1 and ES1.2 have the same revid (0x01).
> ES1.3 of twl6040 REVID is 0x02.
>
> Signed-off-by: Peter Ujfalusi<peter.ujfalusi@ti.com>
> ---
> include/linux/mfd/twl6040.h | 4 ++--
> sound/soc/codecs/twl6040.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
> index 6659487..e002097 100644
> --- a/include/linux/mfd/twl6040.h
> +++ b/include/linux/mfd/twl6040.h
> @@ -161,8 +161,8 @@
> #define TWL6040_CELLS 2
>
> #define TWL6040_REV_ES1_0 0x00
> -#define TWL6040_REV_ES1_1 0x01
> -#define TWL6040_REV_ES1_2 0x02
> +#define TWL6040_REV_ES1_1 0x01 /* Rev ES1.1 and ES1.2 */
> +#define TWL6040_REV_ES1_3 0x02
>
> #define TWL6040_IRQ_TH 0
> #define TWL6040_IRQ_PLUG 1
> diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
> index a36e9fc..2786de2 100644
> --- a/sound/soc/codecs/twl6040.c
> +++ b/sound/soc/codecs/twl6040.c
> @@ -653,7 +653,7 @@ int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
> {
> struct twl6040 *twl6040 = codec->control_data;
>
> - if (twl6040_get_revid(twl6040)< TWL6040_REV_ES1_2)
> + if (twl6040_get_revid(twl6040)< TWL6040_REV_ES1_3)


Instead of doing this change why not you take a #define for revision and
do
if (twl6040_get_revid(twl6040)< TWL6040_REV)

~Rajeev

> /* For ES under ES_1.3 HS step is 2 mV */
> return 2;
> else



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