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>
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index e6b01669..bdd888e 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -657,14 +657,14 @@
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 @@
/* 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, ®);
@@ -862,7 +887,7 @@
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 @@
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 */