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ALSA: HDSP: check for io box before uploading firmware

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currently the hdsp driver tries to upload the firmware, even if the
io box is not connected. this patch adds a check for the io box
before trying to upload the firmware.
thus instead of messages complaining about the fifo status and firmware
loading failure, the driver gives a message that no multiface or
digiface is connected.

[A minor coding-style fix by tiwai]

Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Tim Blechmann 2008-11-09 12:50:52 +01:00 committed by Takashi Iwai
parent fcef7836a3
commit 00c9ddd1d4
1 changed files with 5 additions and 1 deletions
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6
sound/pci/rme9652/hdsp.c
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@ -5045,6 +5045,10 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
/* we wait 2 seconds to let freshly inserted cardbus cards do their hardware init */
ssleep(2);
err = hdsp_check_for_iobox(hdsp);
if (err < 0)
return err;
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
#ifdef HDSP_FW_LOADER
if ((err = hdsp_request_fw_loader(hdsp)) < 0)
@ -5057,7 +5061,7 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
/* init is complete, we return */
return 0;
#endif
/* no iobox connected, we defer initialization */
/* we defer initialization */
snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
return err;