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ALSA: hda - Add firmware caching to CA0132 codec

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Signed-off-by: Ian Minett <ian_minett@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ian Minett 2012-09-20 20:29:17 -07:00 committed by Takashi Iwai
parent 01ef7dbffb
commit c3b4eea262
1 changed files with 22 additions and 6 deletions
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28
sound/pci/hda/patch_ca0132.c
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@ -2025,6 +2025,24 @@ static int dspload_image(struct hda_codec *codec,
return status;
}
static const struct firmware *fw_efx;
static int request_firmware_cached(const struct firmware **firmware_p,
const char *name, struct device *device)
{
if (*firmware_p)
return 0; /* already loaded */
return request_firmware(firmware_p, name, device);
}
static void release_cached_firmware(void)
{
if (fw_efx) {
release_firmware(fw_efx);
fw_efx = NULL;
}
}
static bool dspload_is_loaded(struct hda_codec *codec)
{
unsigned int data = 0;
@ -2542,18 +2560,15 @@ static bool ca0132_download_dsp_images(struct hda_codec *codec)
{
bool dsp_loaded = false;
const struct dsp_image_seg *dsp_os_image;
const struct firmware *fw_entry;
if (request_firmware(&fw_entry, EFX_FILE, codec->bus->card->dev) != 0)
if (request_firmware_cached(&fw_efx, EFX_FILE,
codec->bus->card->dev) != 0)
return false;
dsp_os_image = (struct dsp_image_seg *)(fw_entry->data);
dsp_os_image = (struct dsp_image_seg *)(fw_efx->data);
dspload_image(codec, dsp_os_image, 0, 0, true, 0);
dsp_loaded = dspload_wait_loaded(codec);
release_firmware(fw_entry);
return dsp_loaded;
}
@ -2665,6 +2680,7 @@ static int __init patch_ca0132_init(void)
static void __exit patch_ca0132_exit(void)
{
release_cached_firmware();
snd_hda_delete_codec_preset(&ca0132_list);
}