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Commit e08b34e8 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTobias Powalowski <tobias.powalowski@googlemail.com>
Cc: <stable@vger.kernel.org> [v3.8+]
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3e0d611b

include/sound/emu10k1.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

sound/pci/emu10k1/emu10k1_main.c

+33 −6
Original line number Diff line number Diff line
@@ -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)



			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 */