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

View File

@ -336,7 +336,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_i915_register_notifier);
/* check whether intel graphics is present */
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),
.class = PCI_BASE_CLASS_DISPLAY << 16,
.class_mask = 0xff << 16 },