ALSA: intel8x0: constify snd_pcm_ops structures

snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index a8d7092e93dddaba94adc9bc14bbe6eaf5ae1b84..fcd032e3882d15968a672e8c5d14de73ea7f1519 100644 (file)
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1367,7 +1367,7 @@ static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
 }
 #endif
 
-static struct snd_pcm_ops snd_intel8x0_playback_ops = {
+static const struct snd_pcm_ops snd_intel8x0_playback_ops = {
        .open =         snd_intel8x0_playback_open,
        .close =        snd_intel8x0_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1378,7 +1378,7 @@ static struct snd_pcm_ops snd_intel8x0_playback_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_capture_ops = {
+static const struct snd_pcm_ops snd_intel8x0_capture_ops = {
        .open =         snd_intel8x0_capture_open,
        .close =        snd_intel8x0_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1389,7 +1389,7 @@ static struct snd_pcm_ops snd_intel8x0_capture_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
+static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
        .open =         snd_intel8x0_mic_open,
        .close =        snd_intel8x0_mic_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1400,7 +1400,7 @@ static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
+static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
        .open =         snd_intel8x0_mic2_open,
        .close =        snd_intel8x0_mic2_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1411,7 +1411,7 @@ static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
+static const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
        .open =         snd_intel8x0_capture2_open,
        .close =        snd_intel8x0_capture2_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1422,7 +1422,7 @@ static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
+static const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
        .open =         snd_intel8x0_spdif_open,
        .close =        snd_intel8x0_spdif_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1433,7 +1433,7 @@ static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
+static const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
        .open =         snd_intel8x0_playback_open,
        .close =        snd_intel8x0_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1444,7 +1444,7 @@ static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
+static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
        .open =         snd_intel8x0_capture_open,
        .close =        snd_intel8x0_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1455,7 +1455,7 @@ static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
+static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
        .open =         snd_intel8x0_mic_open,
        .close =        snd_intel8x0_mic_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1466,7 +1466,7 @@ static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
        .pointer =      snd_intel8x0_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
+static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
        .open =         snd_intel8x0_ali_ac97spdifout_open,
        .close =        snd_intel8x0_ali_ac97spdifout_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1503,8 +1503,8 @@ static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
 
 struct ich_pcm_table {
        char *suffix;
-       struct snd_pcm_ops *playback_ops;
-       struct snd_pcm_ops *capture_ops;
+       const struct snd_pcm_ops *playback_ops;
+       const struct snd_pcm_ops *capture_ops;
        size_t prealloc_size;
        size_t prealloc_max_size;
        int ac97_idx;