At Tue, 26 May 2015 12:32:43 +0000, Jie, Yang wrote: > > > -----Original Message----- > > From: Takashi Iwai [mailto:ti...@suse.de] > > Sent: Tuesday, May 26, 2015 7:05 PM > > To: Jie, Yang > > Cc: broo...@kernel.org; alsa-de...@alsa-project.org; linux- > > ker...@vger.kernel.org; Girdwood, Liam R; Zhang, Vivian > > Subject: Re: [PATCH 1/2] ALSA: Kconfig: add config menu for reduced > > memory footprint > > > > At Tue, 26 May 2015 19:04:24 +0800, > > Jie Yang wrote: > > > > > > For some embedded devices, we need reduce code size and data footprint > > > as much as possible, e.g. disabling procfs, hw/sw params refinement, > > > mmap, dpcm, dapm, compressed API... > > > > > > Here add root config menu for those configuration, and disable procfs > > > once reduced memory footprint is selected. > > > > > > Signed-off-by: Jie Yang <yang....@intel.com> > > > --- > > > sound/Kconfig | 16 ++++++++++++++++ > > > 1 file changed, 16 insertions(+) > > > > > > diff --git a/sound/Kconfig b/sound/Kconfig index 5a240e0..6760dfa > > > 100644 > > > --- a/sound/Kconfig > > > +++ b/sound/Kconfig > > > @@ -68,6 +68,22 @@ menuconfig SND > > > > > > if SND > > > > > > +menuconfig SND_REDUCED_MEMORY_FOOTPRINT > > > + bool "Reduced Memory Footprint Support" > > > + default n > > > + help > > > + Say 'Y' to enable Reduced Memory Footprint Support, which may > > > + reduce code size and data footprint as much as possible. > > > > I'd like to move this into sound/core. > > Also, the kconfig name appears a bit too lengthy to me. > > > > > +config SND_PROC_FS > > > + bool "Sound Proc FS Support" > > > + depends on PROC_FS && !SND_REDUCED_MEMORY_FOOTPRINT > > > > This should be > > bool "Sound Proc FS Support" > > if !SND_REDUCED_MEMORY_FOOTPRINT > > depends on PROC_FS > > > > In this way, this prompt would appear only when > > SND_REDUCED_MEMORY_FOOTPRINT is set, i.e. only for experts. > > Takashi, I tested and found same for these two way, the prompt will > appear only when PROC_FS=y and SND_REDUCED_MEMORY_FOOTPRINT > is *not* set. BTW, seems here we should use without '!'? > > bool "Sound Proc FS Support" if SND_REDUCED_MEMORY_FOOTPRINT
Yes. It was my typo. An expression 'type "prompt" if xxx' means that the prompt appears only if xxx is true. Takashi > depends on PROC_FS > > ~Keyon > > > > > > thanks, > > > > Takashi > > > > > + default y > > > + help > > > + Say 'N' to disable Sound proc FS, which may reduce code size about > > > + 9KB on x86_64 platform. > > > + If unsure say Y. > > > + > > > source "sound/core/Kconfig" > > > > > > source "sound/drivers/Kconfig" > > > -- > > > 1.9.1 > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
