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authorTakashi Iwai <tiwai@suse.de>2013-04-24 07:55:20 +0200
committerTakashi Iwai <tiwai@suse.de>2013-04-24 08:11:49 +0200
commite08b34e86dfdb72a62196ce0f03d33f48958d8b9 (patch)
tree9e677f274f4bc9459ff3ac2cfb0b8f99a7625146 /sound/pci/emu10k1
parent3e0d611b2045b230c3acfb05c3b5ce53b09f6cdd (diff)
downloadlinux-linaro-stable-e08b34e86dfdb72a62196ce0f03d33f48958d8b9.tar.gz
ALSA: emu10k1: Fix dock firmware loading
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>
Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index e6b016693240..bdd888ec9a84 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -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 */