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ALSA: emu10k1: remove apparently pointless FPGA reads

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These seem to be simply cargo-culted from the Windows driver's behavior.
However, the original reason were presumably read-modify-write cycles,
which we don't do.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230421141006.1005539-5-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Oswald Buddenhagen 2023-04-21 16:10:04 +02:00 committed by Takashi Iwai
parent 384e396f15
commit 462d972d47
1 changed files with 0 additions and 7 deletions
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7
sound/pci/emu10k1/emu10k1_main.c
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@ -885,7 +885,6 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
dev_info(emu->card->dev, "emu1010: Card options = 0x%x\n", reg);
snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg);
dev_info(emu->card->dev, "emu1010: Card options = 0x%x\n", reg);
snd_emu1010_fpga_read(emu, EMU_HANA_OPTICAL_TYPE, &tmp);
/* Optical -> ADAT I/O */
/* 0 : SPDIF
* 1 : ADAT
@ -896,21 +895,16 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
tmp = (emu->emu1010.optical_in ? EMU_HANA_OPTICAL_IN_ADAT : 0) |
(emu->emu1010.optical_out ? EMU_HANA_OPTICAL_OUT_ADAT : 0);
snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, tmp);
snd_emu1010_fpga_read(emu, EMU_HANA_ADC_PADS, &tmp);
/* Set no attenuation on Audio Dock pads. */
snd_emu1010_fpga_write(emu, EMU_HANA_ADC_PADS, 0x00);
emu->emu1010.adc_pads = 0x00;
snd_emu1010_fpga_read(emu, EMU_HANA_DOCK_MISC, &tmp);
/* Unmute Audio dock DACs, Headphone source DAC-4. */
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_MISC, 0x30);
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, 0x12);
snd_emu1010_fpga_read(emu, EMU_HANA_DAC_PADS, &tmp);
/* DAC PADs. */
snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, 0x0f);
emu->emu1010.dac_pads = 0x0f;
snd_emu1010_fpga_read(emu, EMU_HANA_DOCK_MISC, &tmp);
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_MISC, 0x30);
snd_emu1010_fpga_read(emu, EMU_HANA_SPDIF_MODE, &tmp);
/* SPDIF Format. Set Consumer mode, 24bit, copy enable */
snd_emu1010_fpga_write(emu, EMU_HANA_SPDIF_MODE, 0x10);
/* MIDI routing */
@ -1068,7 +1062,6 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
snd_emu1010_fpga_write(emu, EMU_HANA_MIDI_OUT, 0x0c); /* Unknown */
snd_emu1010_fpga_write(emu, EMU_HANA_MIDI_IN, 0x19); /* MIDI Route */
snd_emu1010_fpga_write(emu, EMU_HANA_MIDI_OUT, 0x0c); /* Unknown */
snd_emu1010_fpga_read(emu, EMU_HANA_SPDIF_MODE, &tmp);
snd_emu1010_fpga_write(emu, EMU_HANA_SPDIF_MODE, 0x10); /* SPDIF Format spdif (or 0x11 for aes/ebu) */
#if 0