audio_status
struct r600_audio_pin audio_status = r600_audio_status(rdev);
if (rdev->audio.pin[0].channels != audio_status.channels ||
rdev->audio.pin[0].rate != audio_status.rate ||
rdev->audio.pin[0].bits_per_sample != audio_status.bits_per_sample ||
rdev->audio.pin[0].status_bits != audio_status.status_bits ||
rdev->audio.pin[0].category_code != audio_status.category_code) {
rdev->audio.pin[0] = audio_status;
struct audio_status audiostate;
memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
#define READ_AUDIO_STATUS(p) READ_PORT_ULONG(p->audio_status)
u32 audio_status;