[ALSA] seq: remove struct snd_seq_client_callback

The fields of struct snd_seq_client_callback either aren't used or are
always set to the same value, so we can get rid of it altogether.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

2 files changed, 2 insertions, 10 deletions

diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c
index 1886b2958e77..582ff63e784b 100644
--- a/sound/drivers/opl3/opl3_seq.c
+++ b/sound/drivers/opl3/opl3_seq.c
@@ -219,7 +219,6 @@ static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
 {
         struct snd_opl3 *opl3;
         int client;
-        struct snd_seq_client_callback callbacks;
         struct snd_seq_client_info cinfo;
         int opl_ver;
 
@@ -232,11 +231,8 @@ static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
         opl3->seq_client = -1;
 
         /* allocate new client */
-        memset(&callbacks, 0, sizeof(callbacks));
-        callbacks.private_data = opl3;
-        callbacks.allow_output = callbacks.allow_input = 1;
         client = opl3->seq_client =
-            snd_seq_create_kernel_client(opl3->card, opl3->seq_dev_num, &callbacks);
+                snd_seq_create_kernel_client(opl3->card, opl3->seq_dev_num);
         if (client < 0)
                 return client;
 
diff --git a/sound/drivers/opl4/opl4_seq.c b/sound/drivers/opl4/opl4_seq.c
index bfd68e49c914..a69117dd0071 100644
--- a/sound/drivers/opl4/opl4_seq.c
+++ b/sound/drivers/opl4/opl4_seq.c
@@ -127,7 +127,6 @@ static int snd_opl4_seq_new_device(struct snd_seq_device *dev)
 {
         struct snd_opl4 *opl4;
         int client;
-        struct snd_seq_client_callback callbacks;
         struct snd_seq_client_info cinfo;
         struct snd_seq_port_callback pcallbacks;
 
@@ -144,10 +143,7 @@ static int snd_opl4_seq_new_device(struct snd_seq_device *dev)
         opl4->chset->private_data = opl4;
 
         /* allocate new client */
-        memset(&callbacks, 0, sizeof(callbacks));
-        callbacks.private_data = opl4;
-        callbacks.allow_output = callbacks.allow_input = 1;
-        client = snd_seq_create_kernel_client(opl4->card, opl4->seq_dev_num, &callbacks);
+        client = snd_seq_create_kernel_client(opl4->card, opl4->seq_dev_num);
         if (client < 0) {
                 snd_midi_channel_free_set(opl4->chset);
                 return client;