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ALSA: hda: constify attribute_group structures. 

attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/device.h> work with const
attribute_group. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
    995	    608	      0	   1603	    643	sound/pci/hda/hda_sysfs.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   1035	    544	      0	   1579	    62b	sound/pci/hda/hda_sysfs.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Arvind Yadav 2017-06-29 16:07:01 +05:30 committed by Takashi Iwai
parent 343fe85066
commit a5a041b6b5
1 changed files with 1 additions and 1 deletions
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2
sound/pci/hda/hda_sysfs.c
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@ -761,7 +761,7 @@ static struct attribute *hda_dev_attrs[] = {
NULL
};
static struct attribute_group hda_dev_attr_group = {
static const struct attribute_group hda_dev_attr_group = {
.attrs = hda_dev_attrs,
};