Something

#Set the card you want to use here.. this example is for hw:1,0

pcm.snd_card {
	type hw
	card 1
	device 0
}

pcm.!default {
	type plug
	slave.pcm "dmixer"
}

pcm.dmixer {
	type dmix
	ipc_key 1024
	ipc_key_add_uid false
	ipc_perm 0660
	slave {
		pcm "snd_card"
		rate 48000
		period_time 0
		period_size 1024
		buffer_time 0
		buffer_size 5120
	}
}