[alsa-devel] [PATCH 4/7] ALSA: isa: Constify snd_rawmidi_ops

[Takashi Iwai]

Now snd_rawmidi_ops is maintained as a const pointer in snd_rawmidi,
we can constify the definitions.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 include/sound/snd_wavefront.h        | 4 ++--
 sound/isa/gus/gus_uart.c             | 4 ++--
 sound/isa/msnd/msnd_midi.c           | 2 +-
 sound/isa/sb/sb8_midi.c              | 4 ++--
 sound/isa/wavefront/wavefront_midi.c | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/sound/snd_wavefront.h b/include/sound/snd_wavefront.h
index 35e94b3d1ec7..cd0bab1ef6f1 100644
--- a/include/sound/snd_wavefront.h
+++ b/include/sound/snd_wavefront.h
@@ -37,8 +37,8 @@ struct _snd_wavefront_midi {
 #define	MPU_ACK		0xFE
 #define	UART_MODE_ON	0x3F
 
-extern struct snd_rawmidi_ops snd_wavefront_midi_output;
-extern struct snd_rawmidi_ops snd_wavefront_midi_input;
+extern const struct snd_rawmidi_ops snd_wavefront_midi_output;
+extern const struct snd_rawmidi_ops snd_wavefront_midi_input;
 
 extern void   snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *);
 extern void   snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *);
diff --git a/sound/isa/gus/gus_uart.c b/sound/isa/gus/gus_uart.c
index 3992912743f5..ac5f5687d1a3 100644
--- a/sound/isa/gus/gus_uart.c
+++ b/sound/isa/gus/gus_uart.c
@@ -227,14 +227,14 @@ static void snd_gf1_uart_output_trigger(struct snd_rawmidi_substream *substream,
 	spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
 }
 
-static struct snd_rawmidi_ops snd_gf1_uart_output =
+static const struct snd_rawmidi_ops snd_gf1_uart_output =
 {
 	.open =		snd_gf1_uart_output_open,
 	.close =	snd_gf1_uart_output_close,
 	.trigger =	snd_gf1_uart_output_trigger,
 };
 
-static struct snd_rawmidi_ops snd_gf1_uart_input =
+static const struct snd_rawmidi_ops snd_gf1_uart_input =
 {
 	.open =		snd_gf1_uart_input_open,
 	.close =	snd_gf1_uart_input_close,
diff --git a/sound/isa/msnd/msnd_midi.c b/sound/isa/msnd/msnd_midi.c
index ffc67fd80c23..912b5a9ccbab 100644
--- a/sound/isa/msnd/msnd_midi.c
+++ b/sound/isa/msnd/msnd_midi.c
@@ -142,7 +142,7 @@ void snd_msndmidi_input_read(void *mpuv)
 }
 EXPORT_SYMBOL(snd_msndmidi_input_read);
 
-static struct snd_rawmidi_ops snd_msndmidi_input = {
+static const struct snd_rawmidi_ops snd_msndmidi_input = {
 	.open =		snd_msndmidi_input_open,
 	.close =	snd_msndmidi_input_close,
 	.trigger =	snd_msndmidi_input_trigger,
diff --git a/sound/isa/sb/sb8_midi.c b/sound/isa/sb/sb8_midi.c
index d551c50e549f..bd672abb4854 100644
--- a/sound/isa/sb/sb8_midi.c
+++ b/sound/isa/sb/sb8_midi.c
@@ -247,14 +247,14 @@ static void snd_sb8dsp_midi_output_trigger(struct snd_rawmidi_substream *substre
 		snd_sb8dsp_midi_output_write(substream);
 }
 
-static struct snd_rawmidi_ops snd_sb8dsp_midi_output =
+static const struct snd_rawmidi_ops snd_sb8dsp_midi_output =
 {
 	.open =		snd_sb8dsp_midi_output_open,
 	.close =	snd_sb8dsp_midi_output_close,
 	.trigger =	snd_sb8dsp_midi_output_trigger,
 };
 
-static struct snd_rawmidi_ops snd_sb8dsp_midi_input =
+static const struct snd_rawmidi_ops snd_sb8dsp_midi_input =
 {
 	.open =		snd_sb8dsp_midi_input_open,
 	.close =	snd_sb8dsp_midi_input_close,
diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c
index 8a80fc6a616b..2aa05f3aaa38 100644
--- a/sound/isa/wavefront/wavefront_midi.c
+++ b/sound/isa/wavefront/wavefront_midi.c
@@ -559,14 +559,14 @@ snd_wavefront_midi_start (snd_wavefront_card_t *card)
 	return 0;
 }
 
-struct snd_rawmidi_ops snd_wavefront_midi_output =
+const struct snd_rawmidi_ops snd_wavefront_midi_output =
 {
 	.open =		snd_wavefront_midi_output_open,
 	.close =	snd_wavefront_midi_output_close,
 	.trigger =	snd_wavefront_midi_output_trigger,
 };
 
-struct snd_rawmidi_ops snd_wavefront_midi_input =
+const struct snd_rawmidi_ops snd_wavefront_midi_input =
 {
 	.open =		snd_wavefront_midi_input_open,
 	.close =	snd_wavefront_midi_input_close,
-- 
2.11.0