[alsa-devel] [PATCH 21/58] ALSA: Constify snd_timer_hardware definitions
Takashi Iwai
tiwai at suse.de
Fri Jan 3 09:16:37 CET 2020
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.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/drivers/opl3/opl3_lib.c | 4 ++--
sound/isa/gus/gus_timer.c | 4 ++--
sound/isa/wss/wss_lib.c | 2 +-
sound/pci/emu10k1/timer.c | 2 +-
sound/pci/ymfpci/ymfpci_main.c | 2 +-
sound/sparc/cs4231.c | 2 +-
6 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index 6134e5ffea0b..9259522483c8 100644
--- 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 4e9664e434fe..047ddbc6192f 100644
--- 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 b51b50154e8a..0d019b238399 100644
--- 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 9ef3b999dcd6..c2803000aace 100644
--- 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 2e20cd9d8cfc..1d9295bb00a9 100644
--- 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 476ffaa413d9..b0e5b4a83a26 100644
--- 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,
--
2.16.4
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