From: Rask Ingemann Lambertsen Date: Mon, 19 Mar 2007 10:38:11 +0000 (+0100) Subject: [ALSA] ad1816a: Fix modprobe snd_mpu401 && modprobe snd_ad1816a X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2944275b146f4c0bb229a862bd8b3930c157d2a1;p=openwrt%2Fstaging%2Fblogic.git [ALSA] ad1816a: Fix modprobe snd_mpu401 && modprobe snd_ad1816a The ad1816a driver fails if the mpu401 driver has been loaded first. This patch against linux 2.6.20 fixes it by just ignoring the MPU-401 device in that case, so that the rest of the sound card can be used. The ad1816a driver already handles the MPU-401 device being unavailable due to lack of resources in the same way. Signed-off-by: Rask Ingemann Lambertsen Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c index 59034507175b..fc88a31da6f5 100644 --- a/sound/isa/ad1816a/ad1816a.c +++ b/sound/isa/ad1816a/ad1816a.c @@ -129,8 +129,8 @@ static int __devinit snd_card_ad1816a_pnp(int dev, struct snd_card_ad1816a *acar } acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL); if (acard->devmpu == NULL) { - kfree(cfg); - return -EBUSY; + mpu_port[dev] = -1; + snd_printk(KERN_WARNING PFX "MPU401 device busy, skipping.\n"); } pdev = acard->dev; @@ -162,6 +162,10 @@ static int __devinit snd_card_ad1816a_pnp(int dev, struct snd_card_ad1816a *acar dma2[dev] = pnp_dma(pdev, 1); irq[dev] = pnp_irq(pdev, 0); + if (acard->devmpu == NULL) { + kfree(cfg); + return 0; + } pdev = acard->devmpu; pnp_init_resource_table(cfg);