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ALSA: oxfw: enable to keep memory block for model-specific structure

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ALSA oxfw driver should have backward compatibility to old
firewire-speakers driver. Additionally, in future commit, scs1x driver
will be merged. It's nice to add a pointer to have a memory block for
model-specific structures.

This commit adds a member to 'struct snd_oxfw' for this aim. Deallocation
is done at freeing ALSA card structure.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2015-12-16 20:37:54 +09:00 committed by Takashi Iwai
parent f67d71ae8b
commit c582cc66b9
2 changed files with 2 additions and 0 deletions
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1
sound/firewire/oxfw/oxfw.c
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@ -132,6 +132,7 @@ static void oxfw_card_free(struct snd_card *card)
kfree(oxfw->rx_stream_formats[i]);
}
kfree(oxfw->spec);
mutex_destroy(&oxfw->mutex);
}

1
sound/firewire/oxfw/oxfw.h
View file

@ -74,6 +74,7 @@ struct snd_oxfw {
wait_queue_head_t hwdep_wait;
const struct ieee1394_device_id *entry;
void *spec;
};
/*