korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-29 15:14:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: emu10k1: Fix dock firmware loading

Browse Source 
The commit [b209c4df: ALSA: emu10k1: cache emu1010 firmware] broke the
firmware loading of the dock, just (mistakenly) ignoring a different
firmware for docks on some models.  This patch revives them again.

Bugzilla: https://bugs.archlinux.org/task/34865
Reported-and-tested-by: Tobias Powalowski <tobias.powalowski@googlemail.com>
Cc: <stable@vger.kernel.org> [v3.8+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-04-24 07:55:20 +02:00
parent 3e0d611b20
commit e08b34e86d
2 changed files with 34 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/sound/emu10k1.h
View File

@ -1787,6 +1787,7 @@ struct snd_emu10k1 {
unsigned int next_free_voice;
const struct firmware *firmware;
const struct firmware *dock_fw;
#ifdef CONFIG_PM_SLEEP
unsigned int *saved_ptr;

39
sound/pci/emu10k1/emu10k1_main.c
View File

@ -657,14 +657,14 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
return 0;
}
static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu)
static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu,
const struct firmware *fw_entry)
{
int n, i;
int reg;
int value;
unsigned int write_post;
unsigned long flags;
const struct firmware *fw_entry = emu->firmware;
if (!fw_entry)
return -EIO;
@ -725,9 +725,34 @@ static int emu1010_firmware_thread(void *data)
/* Return to Audio Dock programming mode */
snd_printk(KERN_INFO "emu1010: Loading Audio Dock Firmware\n");
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_AUDIODOCK);
err = snd_emu1010_load_firmware(emu);
if (err != 0)
continue;
if (!emu->dock_fw) {
const char *filename = NULL;
switch (emu->card_capabilities->emu_model) {
case EMU_MODEL_EMU1010:
filename = DOCK_FILENAME;
break;
case EMU_MODEL_EMU1010B:
filename = MICRO_DOCK_FILENAME;
break;
case EMU_MODEL_EMU1616:
filename = MICRO_DOCK_FILENAME;
break;
}
if (filename) {
err = request_firmware(&emu->dock_fw,
filename,
&emu->pci->dev);
if (err)
continue;
}
}
if (emu->dock_fw) {
err = snd_emu1010_load_firmware(emu, emu->dock_fw);
if (err)
continue;
}
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);
@ -862,7 +887,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
filename, emu->firmware->size);
}
err = snd_emu1010_load_firmware(emu);
err = snd_emu1010_load_firmware(emu, emu->firmware);
if (err != 0) {
snd_printk(KERN_INFO "emu1010: Loading Firmware failed\n");
return err;
@ -1253,6 +1278,8 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
kthread_stop(emu->emu1010.firmware_thread);
if (emu->firmware)
release_firmware(emu->firmware);
if (emu->dock_fw)
release_firmware(emu->dock_fw);
if (emu->irq >= 0)
free_irq(emu->irq, emu);
/* remove reserved page */