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ALSA: hda: constify pci_device_id. 

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

File size before:
   text	   data	    bss	    dec	    hex	filename
   2610	    304	      8	   2922	    b6a	sound/hda/hdac_i915.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   2674	    240	      8	   2922	    b6a	sound/hda/hdac_i915.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 2017-07-18 22:35:06 +05:30 committed by Takashi Iwai
parent 5051735221
commit 6c5a266029
1 changed files with 1 additions and 1 deletions
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2
sound/hda/hdac_i915.c
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@ -336,7 +336,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_i915_register_notifier);
/* check whether intel graphics is present */ /* check whether intel graphics is present */
static bool i915_gfx_present(void) static bool i915_gfx_present(void)
{ {
static struct pci_device_id ids[] = { static const struct pci_device_id ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID), { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
.class = PCI_BASE_CLASS_DISPLAY << 16, .class = PCI_BASE_CLASS_DISPLAY << 16,
.class_mask = 0xff << 16 }, .class_mask = 0xff << 16 },