ALSA: Constify snd_timer_hardware definitions

Most of snd_timer_hardware definitions do simply copying to another
struct as-is.  Mark them as const for further optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-22-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index 6134e5f..9259522 100644 (file)
--- a/sound/drivers/opl3/opl3_lib.c
+++ b/sound/drivers/opl3/opl3_lib.c
@@ -214,7 +214,7 @@ static int snd_opl3_timer2_stop(struct snd_timer * timer)
 
  */
 
-static struct snd_timer_hardware snd_opl3_timer1 =
+static const struct snd_timer_hardware snd_opl3_timer1 =
 {
        .flags =        SNDRV_TIMER_HW_STOP,
        .resolution =   80000,
@@ -223,7 +223,7 @@ static struct snd_timer_hardware snd_opl3_timer1 =
        .stop =         snd_opl3_timer1_stop,
 };
 
-static struct snd_timer_hardware snd_opl3_timer2 =
+static const struct snd_timer_hardware snd_opl3_timer2 =
 {
        .flags =        SNDRV_TIMER_HW_STOP,
        .resolution =   320000,

diff --git a/sound/isa/gus/gus_timer.c b/sound/isa/gus/gus_timer.c
index 4e9664e..047ddbc 100644 (file)
--- a/sound/isa/gus/gus_timer.c
+++ b/sound/isa/gus/gus_timer.c
@@ -108,7 +108,7 @@ static void snd_gf1_interrupt_timer2(struct snd_gus_card * gus)
 
  */
 
-static struct snd_timer_hardware snd_gf1_timer1 =
+static const struct snd_timer_hardware snd_gf1_timer1 =
 {
        .flags =        SNDRV_TIMER_HW_STOP,
        .resolution =   80000,
@@ -117,7 +117,7 @@ static struct snd_timer_hardware snd_gf1_timer1 =
        .stop =         snd_gf1_timer1_stop,
 };
 
-static struct snd_timer_hardware snd_gf1_timer2 =
+static const struct snd_timer_hardware snd_gf1_timer2 =
 {
        .flags =        SNDRV_TIMER_HW_STOP,
        .resolution =   320000,

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index b51b501..0d019b2 100644 (file)
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -961,7 +961,7 @@ static int snd_wss_timer_close(struct snd_timer *timer)
        return 0;
 }
 
-static struct snd_timer_hardware snd_wss_timer_table =
+static const struct snd_timer_hardware snd_wss_timer_table =
 {
        .flags =        SNDRV_TIMER_HW_AUTO,
        .resolution =   9945,

diff --git a/sound/pci/emu10k1/timer.c b/sound/pci/emu10k1/timer.c
index 9ef3b99..c280300 100644 (file)
--- a/sound/pci/emu10k1/timer.c
+++ b/sound/pci/emu10k1/timer.c
@@ -52,7 +52,7 @@ static int snd_emu10k1_timer_precise_resolution(struct snd_timer *timer,
        return 0;
 }
 
-static struct snd_timer_hardware snd_emu10k1_timer_hw = {
+static const struct snd_timer_hardware snd_emu10k1_timer_hw = {
        .flags = SNDRV_TIMER_HW_AUTO,
        .resolution = 20833, /* 1 sample @ 48KHZ = 20.833...us */
        .ticks = 1024,

diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 2e20cd9..1d9295b 100644 (file)
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1908,7 +1908,7 @@ static int snd_ymfpci_timer_precise_resolution(struct snd_timer *timer,
        return 0;
 }
 
-static struct snd_timer_hardware snd_ymfpci_timer_hw = {
+static const struct snd_timer_hardware snd_ymfpci_timer_hw = {
        .flags = SNDRV_TIMER_HW_AUTO,
        .resolution = 10417, /* 1 / 96 kHz = 10.41666...us */
        .ticks = 0x10000,

diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 476ffaa..b0e5b4a 100644 (file)
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -869,7 +869,7 @@ static int snd_cs4231_timer_close(struct snd_timer *timer)
        return 0;
 }
 
-static struct snd_timer_hardware snd_cs4231_timer_table = {
+static const struct snd_timer_hardware snd_cs4231_timer_table = {
        .flags          =       SNDRV_TIMER_HW_AUTO,
        .resolution     =       9945,
        .ticks          =       65535,