void snd_msnd_dsp_halt(struct snd_msnd *chip, struct file *file)
{
if ((file ? file->f_mode : chip->mode) & FMODE_READ) {
clear_bit(F_READING, &chip->flags);
snd_msnd_send_dsp_cmd(chip, HDEX_RECORD_STOP);
snd_msnd_disable_irq(chip);
if (file) {
snd_printd(KERN_INFO LOGNAME
": Stopping read for %p\n", file);
chip->mode &= ~FMODE_READ;
}
clear_bit(F_AUDIO_READ_INUSE, &chip->flags);
}
if ((file ? file->f_mode : chip->mode) & FMODE_WRITE) {
if (test_bit(F_WRITING, &chip->flags)) {
snd_msnd_dsp_write_flush(chip);
snd_msnd_send_dsp_cmd(chip, HDEX_PLAY_STOP);
}
snd_msnd_disable_irq(chip);
if (file) {
snd_printd(KERN_INFO
LOGNAME ": Stopping write for %p\n", file);
chip->mode &= ~FMODE_WRITE;
}
clear_bit(F_AUDIO_WRITE_INUSE, &chip->flags);
}
}
static int snd_msnd_capture_close(struct snd_pcm_substream *substream)
{
struct snd_msnd *chip = snd_pcm_substream_chip(substream);
snd_msnd_disable_irq(chip);
clear_bit(F_AUDIO_READ_INUSE, &chip->flags);
return 0;
}
static int snd_msndmidi_input_close(struct snd_rawmidi_substream *substream)
{
struct snd_msndmidi *mpu;
mpu = substream->rmidi->private_data;
snd_msnd_send_dsp_cmd(mpu->dev, HDEX_MIDI_IN_STOP);
clear_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode);
mpu->substream_input = NULL;
snd_msnd_disable_irq(mpu->dev);
return 0;
}
static void snd_msnd_mpu401_close(struct snd_mpu401 *mpu)
{
snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_STOP);
snd_msnd_disable_irq(mpu->private_data);
}