diff options
Diffstat (limited to 'sound/pci/ice1712/amp.c')
| -rw-r--r-- | sound/pci/ice1712/amp.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/sound/pci/ice1712/amp.c b/sound/pci/ice1712/amp.c index 59c4078ad33..2f9b9346786 100644 --- a/sound/pci/ice1712/amp.c +++ b/sound/pci/ice1712/amp.c @@ -3,7 +3,7 @@ * * Lowlevel functions for Advanced Micro Peripherals Ltd AUDIO2000 * - * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> + * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,12 +21,9 @@ * */ -#include <sound/driver.h> -#include <asm/io.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/init.h> -#include <linux/slab.h> #include <sound/core.h> #include "ice1712.h" @@ -40,9 +37,9 @@ static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val) snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff); } -static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice) +static int snd_vt1724_amp_init(struct snd_ice1712 *ice) { - static unsigned short wm_inits[] = { + static const unsigned short wm_inits[] = { WM_ATTEN_L, 0x0000, /* 0 db */ WM_ATTEN_R, 0x0000, /* 0 db */ WM_DAC_CTRL, 0x0008, /* 24bit I2S */ @@ -53,11 +50,13 @@ static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice) /* only use basic functionality for now */ - ice->num_total_dacs = 2; /* only PSDOUT0 is connected */ + /* VT1616 6ch codec connected to PSDOUT0 using packed mode */ + ice->num_total_dacs = 6; ice->num_total_adcs = 2; - /* Chaintech AV-710 has another codecs, which need initialization */ - /* initialize WM8728 codec */ + /* Chaintech AV-710 has another WM8728 codec connected to PSDOUT4 + (shared with the SPDIF output). Mixer control for this codec + is not yet supported. */ if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AV710) { for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2) wm_put(ice, wm_inits[i], wm_inits[i+1]); @@ -66,16 +65,19 @@ static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice) return 0; } -static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) +static int snd_vt1724_amp_add_controls(struct snd_ice1712 *ice) { - /* we use pins 39 and 41 of the VT1616 for left and right read outputs */ - snd_ac97_write_cache(ice->ac97, 0x5a, snd_ac97_read(ice->ac97, 0x5a) & ~0x8000); + if (ice->ac97) + /* we use pins 39 and 41 of the VT1616 for left and right + read outputs */ + snd_ac97_write_cache(ice->ac97, 0x5a, + snd_ac97_read(ice->ac97, 0x5a) & ~0x8000); return 0; } /* entry point */ -struct snd_ice1712_card_info snd_vt1724_amp_cards[] __devinitdata = { +struct snd_ice1712_card_info snd_vt1724_amp_cards[] = { { .subvendor = VT1724_SUBDEVICE_AV710, .name = "Chaintech AV-710", |