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ALSA: es1938: More constifications
author
Takashi Iwai
<tiwai@suse.de>
Sun, 5 Jan 2020 14:47:49 +0000
(15:47 +0100)
committer
Takashi Iwai
<tiwai@suse.de>
Sun, 5 Jan 2020 15:14:54 +0000
(16:14 +0100)
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>
sound/pci/es1938.c
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diff --git
a/sound/pci/es1938.c
b/sound/pci/es1938.c
index
8336b20
..
b4a0adf
100644
(file)
--- a/
sound/pci/es1938.c
+++ b/
sound/pci/es1938.c
@@
-1420,7
+1420,7
@@
static void snd_es1938_chip_init(struct es1938 *chip)
* PM support
*/
* 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,
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;
{
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);
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;
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)) {
if (request_irq(pci->irq, snd_es1938_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {