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Commit c3b4eea2 authored by Ian Minett's avatar Ian Minett Committed by Takashi Iwai
Browse files

ALSA: hda - Add firmware caching to CA0132 codec 



Signed-off-by: default avatarIan Minett <ian_minett@creativelabs.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 01ef7dbf

sound/pci/hda/patch_ca0132.c

+22 −6
Original line number Diff line number Diff line
@@ -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);

}