[alsa-devel] [PATCH 00/18] ALSA: Add helper function to add single value constraint

[Takashi Iwai]

On Sun, 18 Oct 2015 15:39:15 +0200,
Lars-Peter Clausen wrote:
> 
> Apologies if you got this series twice, forgot to Cc the mailinglist on
> the first try.
> 
> This series introduces a new helper function which can be used to constrain
> a configuration parameter to a single. So far the recommended and most
> efficient way to do this was to set a min-max constraint with the same
> value for minimum and maximum. It is not necessarily immediately obvious
> though that this is the right way to do things and some driver have come up
> with different ways to achieve the same effect, e.g. by installing a list
> constraint with a single item. This is less efficient since list
> constraints are dynamic constraints which needed to be re-evaluated
> multiple times at runtime while a min-max constraint is a static
> constraint.
> 
> The function introduced in this patch series is called
> snd_pcm_hw_constraint_single() which hopefully is semantically more
> expressive and makes it clear that this is the function to use when setting
> a single value constraint.
> 
> All existing drivers that want to set a single value constraint are update
> to use the new helper function.

Looks good to me.  I suppose I'd take all these (including ASoC ones)
through my tree as it adds a new API function.  Mark are you OK with
it?


thanks,

Takashi

> 
> - Lars
> 
> Lars-Peter Clausen (18):
>   ALSA: Add helper function to add single value constraint
>   ALSA: korg1212: Use snd_pcm_hw_constraint_single()
>   ALAA: lx6464es: Use snd_pcm_hw_constraint_single()
>   ALSA: rme32: Use snd_pcm_hw_constraint_single()
>   ALSA: rme96: Use snd_pcm_hw_constraint_single()
>   ALSA: rme9652: Use snd_pcm_hw_constraint_single()
>   ASoC: adav80x: Use snd_pcm_hw_constraint_single()
>   ASoC: twl4030: Use snd_pcm_hw_constraint_single()
>   ASoC: uda134x: Use snd_pcm_hw_constraint_single()
>   ASoC: wl1273: Use snd_pcm_hw_constraint_single()
>   ASoC: n810: Use snd_pcm_hw_constraint_single()
>   ASoC: rx51: Use snd_pcm_hw_constraint_single()
>   ASoC: pcm: Use snd_pcm_hw_constraint_single()
>   ASoC: ux500: Use snd_pcm_hw_constraint_single()
>   ASoC: bytcr_rt5640: Use snd_pcm_hw_constraint_single()
>   ASoC: cht_bsw_max98090: Use snd_pcm_hw_constraint_single()
>   ASoC: cht_bsw_rt5645: Use snd_pcm_hw_constraint_single()
>   ASoC: cht_bsw_rt5672: Use snd_pcm_hw_constraint_single()
> 
>  include/sound/pcm.h                          | 16 ++++++++++++++++
>  sound/pci/korg1212/korg1212.c                |  8 +++++---
>  sound/pci/lx6464es/lx6464es.c                |  4 ++--
>  sound/pci/rme32.c                            |  4 ++--
>  sound/pci/rme96.c                            |  8 ++++----
>  sound/pci/rme9652/hdspm.c                    |  9 ++++-----
>  sound/soc/codecs/adav80x.c                   |  4 ++--
>  sound/soc/codecs/twl4030.c                   | 13 +++++--------
>  sound/soc/codecs/uda134x.c                   |  6 ++----
>  sound/soc/codecs/wl1273.c                    |  9 ++++-----
>  sound/soc/intel/boards/bytcr_rt5640.c        | 14 ++------------
>  sound/soc/intel/boards/cht_bsw_max98090_ti.c | 14 ++------------
>  sound/soc/intel/boards/cht_bsw_rt5645.c      | 14 ++------------
>  sound/soc/intel/boards/cht_bsw_rt5672.c      | 14 ++------------
>  sound/soc/omap/n810.c                        |  3 +--
>  sound/soc/omap/rx51.c                        |  3 +--
>  sound/soc/soc-pcm.c                          | 10 ++++------
>  sound/soc/ux500/ux500_msp_dai.c              |  4 ++--
>  18 files changed, 62 insertions(+), 95 deletions(-)
> 
> -- 
> 2.1.4
> 
>