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ALSA: es1938: More constifications

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Apply const prefix to the static register table and its callers.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-35-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-05 15:47:49 +01:00
parent 066c044b05
commit 96d5ebf25e
1 changed files with 5 additions and 3 deletions
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8
sound/pci/es1938.c
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@ -1420,7 +1420,7 @@ static void snd_es1938_chip_init(struct es1938 *chip)
* PM support
*/
static unsigned char saved_regs[SAVED_REG_SIZE+1] = {
static const unsigned char saved_regs[SAVED_REG_SIZE+1] = {
0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38,
0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68,
0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d,
@ -1432,7 +1432,8 @@ static int es1938_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct es1938 *chip = card->private_data;
unsigned char *s, *d;
const unsigned char *s;
unsigned char *d;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
@ -1454,7 +1455,8 @@ static int es1938_resume(struct device *dev)
struct pci_dev *pci = to_pci_dev(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct es1938 *chip = card->private_data;
unsigned char *s, *d;
const unsigned char *s;
unsigned char *d;
if (request_irq(pci->irq, snd_es1938_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {