| emumixer.c (511cbe8f59e30cd09a04c1dbafe6337d9111e88a) | emumixer.c (cc766807a208bfa06c204be784ec099fb25c87a4) |
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| 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, 4 * Takashi Iwai <tiwai@suse.de> 5 * Creative Labs, Inc. 6 * Routines for control of EMU10K1 chips / mixer routines 7 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 8 * --- 545 unchanged lines hidden (view full) --- 554 return 0; 555} 556 557static int snd_emu1010_dac_pads_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 558{ 559 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 560 unsigned int mask = snd_emu1010_dac_regs[kcontrol->private_value]; 561 unsigned int val, cache; | 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, 4 * Takashi Iwai <tiwai@suse.de> 5 * Creative Labs, Inc. 6 * Routines for control of EMU10K1 chips / mixer routines 7 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 8 * --- 545 unchanged lines hidden (view full) --- 554 return 0; 555} 556 557static int snd_emu1010_dac_pads_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 558{ 559 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 560 unsigned int mask = snd_emu1010_dac_regs[kcontrol->private_value]; 561 unsigned int val, cache; |
| 562 int change; 563 |
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| 562 val = ucontrol->value.integer.value[0]; 563 cache = emu->emu1010.dac_pads; 564 if (val == 1) 565 cache = cache | mask; 566 else 567 cache = cache & ~mask; | 564 val = ucontrol->value.integer.value[0]; 565 cache = emu->emu1010.dac_pads; 566 if (val == 1) 567 cache = cache | mask; 568 else 569 cache = cache & ~mask; |
| 568 if (cache != emu->emu1010.dac_pads) { | 570 change = (cache != emu->emu1010.dac_pads); 571 if (change) { |
| 569 snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, cache ); 570 emu->emu1010.dac_pads = cache; 571 } 572 | 572 snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, cache ); 573 emu->emu1010.dac_pads = cache; 574 } 575 |
| 573 return 0; | 576 return change; |
| 574} 575 576static const struct snd_kcontrol_new emu1010_dac_pads_ctl = { 577 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 578 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 579 .info = snd_emu1010_dac_pads_info, 580 .get = snd_emu1010_dac_pads_get, 581 .put = snd_emu1010_dac_pads_put --- 1489 unchanged lines hidden --- | 577} 578 579static const struct snd_kcontrol_new emu1010_dac_pads_ctl = { 580 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 581 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 582 .info = snd_emu1010_dac_pads_info, 583 .get = snd_emu1010_dac_pads_get, 584 .put = snd_emu1010_dac_pads_put --- 1489 unchanged lines hidden --- |