ALSA: opl4: Convert to snd_seq bus probe mechanism

The snd_seq bus got a dedicated probe function. Make use of that. This
fixes a runtime warning about the driver needing to be converted to the
bus probe method.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/15cd19c9c8ec32e92b956eec112e515335bc22cf.1765283601.git.u.kleine-koenig@baylibre.com

diff --git a/sound/drivers/opl4/opl4_seq.c b/sound/drivers/opl4/opl4_seq.c
index 7bb22089a0934de2a6ce36d6aa94cada9c6395b6..fd6f15be6109ee6d1495a83c6bcc397597a431ad 100644 (file)
--- a/sound/drivers/opl4/opl4_seq.c
+++ b/sound/drivers/opl4/opl4_seq.c
@@ -118,9 +118,8 @@ static void snd_opl4_seq_free_port(void *private_data)
        snd_midi_channel_free_set(opl4->chset);
 }
 
-static int snd_opl4_seq_probe(struct device *_dev)
+static int snd_opl4_seq_probe(struct snd_seq_device *dev)
 {
-       struct snd_seq_device *dev = to_seq_dev(_dev);
        struct snd_opl4 *opl4;
        int client;
        struct snd_seq_port_callback pcallbacks;
@@ -175,27 +174,25 @@ static int snd_opl4_seq_probe(struct device *_dev)
        return 0;
 }
 
-static int snd_opl4_seq_remove(struct device *_dev)
+static void snd_opl4_seq_remove(struct snd_seq_device *dev)
 {
-       struct snd_seq_device *dev = to_seq_dev(_dev);
        struct snd_opl4 *opl4;
 
        opl4 = *(struct snd_opl4 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
        if (!opl4)
-               return -EINVAL;
+               return;
 
        if (opl4->seq_client >= 0) {
                snd_seq_delete_kernel_client(opl4->seq_client);
                opl4->seq_client = -1;
        }
-       return 0;
 }
 
 static struct snd_seq_driver opl4_seq_driver = {
+       .probe = snd_opl4_seq_probe,
+       .remove = snd_opl4_seq_remove,
        .driver = {
                .name = KBUILD_MODNAME,
-               .probe = snd_opl4_seq_probe,
-               .remove = snd_opl4_seq_remove,
        },
        .id = SNDRV_SEQ_DEV_ID_OPL4,
        .argsize = sizeof(struct snd_opl4 *),