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authorTakashi Iwai <tiwai@suse.de>2009-03-24 00:36:21 +0100
committerTakashi Iwai <tiwai@suse.de>2009-03-24 00:36:21 +0100
commitd0807323345f1cd8ab578b09aab04d10862e9414 (patch)
tree0a1cca9055d4534590779f014199116c7c802d57 /sound
parentd7b6df5d1af11544401ca051aaf68b6e7f110c0e (diff)
parent453e37b37521b613f0927fcf53ccd93ad3a8b3ae (diff)
downloadlinux-d0807323345f1cd8ab578b09aab04d10862e9414.tar.bz2
Merge branch 'topic/sscape-fix' into for-linus
Diffstat (limited to 'sound')
-rw-r--r--sound/isa/Kconfig7
-rw-r--r--sound/isa/sscape.c189
-rw-r--r--sound/isa/wss/wss_lib.c81
3 files changed, 96 insertions, 181 deletions
diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig
index 2df20e403f24..c5c9a9218ff6 100644
--- a/sound/isa/Kconfig
+++ b/sound/isa/Kconfig
@@ -368,14 +368,17 @@ config SND_SGALAXY
will be called snd-sgalaxy.
config SND_SSCAPE
- tristate "Ensoniq SoundScape PnP driver"
+ tristate "Ensoniq SoundScape driver"
select SND_HWDEP
select SND_MPU401_UART
select SND_WSS_LIB
help
- Say Y here to include support for Ensoniq SoundScape PnP
+ Say Y here to include support for Ensoniq SoundScape
soundcards.
+ The PCM audio is supported on SoundScape Classic, Elite, PnP
+ and VIVO cards. The MIDI support is very experimental.
+
To compile this driver as a module, choose M here: the module
will be called snd-sscape.
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 4025fb558c50..66187122377c 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -89,9 +89,6 @@ MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
#endif
-#define MPU401_IO(i) ((i) + 0)
-#define MIDI_DATA_IO(i) ((i) + 0)
-#define MIDI_CTRL_IO(i) ((i) + 1)
#define HOST_CTRL_IO(i) ((i) + 2)
#define HOST_DATA_IO(i) ((i) + 3)
#define ODIE_ADDR_IO(i) ((i) + 4)
@@ -129,9 +126,6 @@ enum GA_REG {
#define DMA_8BIT 0x80
-#define AD1845_FREQ_SEL_MSB 0x16
-#define AD1845_FREQ_SEL_LSB 0x17
-
enum card_type {
SSCAPE,
SSCAPE_PNP,
@@ -141,8 +135,6 @@ enum card_type {
struct soundscape {
spinlock_t lock;
unsigned io_base;
- unsigned wss_base;
- int codec_type;
int ic_type;
enum card_type type;
struct resource *io_res;
@@ -330,7 +322,7 @@ static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
*/
static inline int verify_mpu401(const struct snd_mpu401 * mpu)
{
- return ((inb(MIDI_CTRL_IO(mpu->port)) & 0xc0) == 0x80);
+ return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
}
/*
@@ -338,7 +330,7 @@ static inline int verify_mpu401(const struct snd_mpu401 * mpu)
*/
static inline void initialise_mpu401(const struct snd_mpu401 * mpu)
{
- outb(0, MIDI_DATA_IO(mpu->port));
+ outb(0, MPU401D(mpu));
}
/*
@@ -396,20 +388,20 @@ static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg, unsigned ti
*/
static int obp_startup_ack(struct soundscape *s, unsigned timeout)
{
- while (timeout != 0) {
+ unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
+
+ do {
unsigned long flags;
unsigned char x;
- schedule_timeout_uninterruptible(1);
-
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));
spin_unlock_irqrestore(&s->lock, flags);
if ((x & 0xfe) == 0xfe)
return 1;
- --timeout;
- } /* while */
+ msleep(10);
+ } while (time_before(jiffies, end_time));
return 0;
}
@@ -423,20 +415,20 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout)
*/
static int host_startup_ack(struct soundscape *s, unsigned timeout)
{
- while (timeout != 0) {
+ unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
+
+ do {
unsigned long flags;
unsigned char x;
- schedule_timeout_uninterruptible(1);
-
spin_lock_irqsave(&s->lock, flags);
x = inb(HOST_DATA_IO(s->io_base));
spin_unlock_irqrestore(&s->lock, flags);
if (x == 0xfe)
return 1;
- --timeout;
- } /* while */
+ msleep(10);
+ } while (time_before(jiffies, end_time));
return 0;
}
@@ -532,10 +524,10 @@ static int upload_dma_data(struct soundscape *s,
* give it 5 seconds (max) ...
*/
ret = 0;
- if (!obp_startup_ack(s, 5)) {
+ if (!obp_startup_ack(s, 5000)) {
snd_printk(KERN_ERR "sscape: No response from on-board processor after upload\n");
ret = -EAGAIN;
- } else if (!host_startup_ack(s, 5)) {
+ } else if (!host_startup_ack(s, 5000)) {
snd_printk(KERN_ERR "sscape: SoundScape failed to initialise\n");
ret = -EAGAIN;
}
@@ -732,13 +724,7 @@ static int sscape_midi_get(struct snd_kcontrol *kctl,
unsigned long flags;
spin_lock_irqsave(&s->lock, flags);
- set_host_mode_unsafe(s->io_base);
-
- if (host_write_ctrl_unsafe(s->io_base, CMD_GET_MIDI_VOL, 100)) {
- uctl->value.integer.value[0] = host_read_ctrl_unsafe(s->io_base, 100);
- }
-
- set_midi_mode_unsafe(s->io_base);
+ uctl->value.integer.value[0] = s->midi_vol;
spin_unlock_irqrestore(&s->lock, flags);
return 0;
}
@@ -773,6 +759,7 @@ static int sscape_midi_put(struct snd_kcontrol *kctl,
change = (host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
&& host_write_ctrl_unsafe(s->io_base, ((unsigned char) uctl->value.integer. value[0]) & 127, 100)
&& host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100));
+ s->midi_vol = (unsigned char) uctl->value.integer.value[0] & 127;
__skip_change:
/*
@@ -815,12 +802,11 @@ static unsigned __devinit get_irq_config(int irq)
* Perform certain arcane port-checks to see whether there
* is a SoundScape board lurking behind the given ports.
*/
-static int __devinit detect_sscape(struct soundscape *s)
+static int __devinit detect_sscape(struct soundscape *s, long wss_io)
{
unsigned long flags;
unsigned d;
int retval = 0;
- int codec = s->wss_base;
spin_lock_irqsave(&s->lock, flags);
@@ -836,13 +822,11 @@ static int __devinit detect_sscape(struct soundscape *s)
if ((d & 0x80) != 0)
goto _done;
- if (d == 0) {
- s->codec_type = 1;
+ if (d == 0)
s->ic_type = IC_ODIE;
- } else if ((d & 0x60) != 0) {
- s->codec_type = 2;
+ else if ((d & 0x60) != 0)
s->ic_type = IC_OPUS;
- } else
+ else
goto _done;
outb(0xfa, ODIE_ADDR_IO(s->io_base));
@@ -862,10 +846,10 @@ static int __devinit detect_sscape(struct soundscape *s)
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
if (s->type == SSCAPE_VIVO)
- codec += 4;
+ wss_io += 4;
/* wait for WSS codec */
for (d = 0; d < 500; d++) {
- if ((inb(codec) & 0x80) == 0)
+ if ((inb(wss_io) & 0x80) == 0)
break;
spin_unlock_irqrestore(&s->lock, flags);
msleep(1);
@@ -955,82 +939,6 @@ static int __devinit create_mpu401(struct snd_card *card, int devnum, unsigned l
/*
- * Override for the CS4231 playback format function.
- * The AD1845 has much simpler format and rate selection.
- */
-static void ad1845_playback_format(struct snd_wss *chip,
- struct snd_pcm_hw_params *params,
- unsigned char format)
-{
- unsigned long flags;
- unsigned rate = params_rate(params);
-
- /*
- * The AD1845 can't handle sample frequencies
- * outside of 4 kHZ to 50 kHZ
- */
- if (rate > 50000)
- rate = 50000;
- else if (rate < 4000)
- rate = 4000;
-
- spin_lock_irqsave(&chip->reg_lock, flags);
-
- /*
- * Program the AD1845 correctly for the playback stream.
- * Note that we do NOT need to toggle the MCE bit because
- * the PLAYBACK_ENABLE bit of the Interface Configuration
- * register is set.
- *
- * NOTE: We seem to need to write to the MSB before the LSB
- * to get the correct sample frequency.
- */
- snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (format & 0xf0));
- snd_wss_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8));
- snd_wss_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate);
-
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-}
-
-/*
- * Override for the CS4231 capture format function.
- * The AD1845 has much simpler format and rate selection.
- */
-static void ad1845_capture_format(struct snd_wss *chip,
- struct snd_pcm_hw_params *params,
- unsigned char format)
-{
- unsigned long flags;
- unsigned rate = params_rate(params);
-
- /*
- * The AD1845 can't handle sample frequencies
- * outside of 4 kHZ to 50 kHZ
- */
- if (rate > 50000)
- rate = 50000;
- else if (rate < 4000)
- rate = 4000;
-
- spin_lock_irqsave(&chip->reg_lock, flags);
-
- /*
- * Program the AD1845 correctly for the playback stream.
- * Note that we do NOT need to toggle the MCE bit because
- * the CAPTURE_ENABLE bit of the Interface Configuration
- * register is set.
- *
- * NOTE: We seem to need to write to the MSB before the LSB
- * to get the correct sample frequency.
- */
- snd_wss_out(chip, CS4231_REC_FORMAT, (format & 0xf0));
- snd_wss_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8));
- snd_wss_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate);
-
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-}
-
-/*
* Create an AD1845 PCM subdevice on the SoundScape. The AD1845
* is very much like a CS4231, with a few extra bits. We will
* try to support at least some of the extra bits by overriding
@@ -1055,11 +963,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
unsigned long flags;
struct snd_pcm *pcm;
-#define AD1845_FREQ_SEL_ENABLE 0x08
-
-#define AD1845_PWR_DOWN_CTRL 0x1b
-#define AD1845_CRYS_CLOCK_SEL 0x1d
-
/*
* It turns out that the PLAYBACK_ENABLE bit is set
* by the lowlevel driver ...
@@ -1074,7 +977,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
*/
if (sscape->type != SSCAPE_VIVO) {
- int val;
/*
* The input clock frequency on the SoundScape must
* be 14.31818 MHz, because we must set this register
@@ -1082,22 +984,10 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
*/
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
- snd_wss_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20);
+ snd_wss_out(chip, AD1845_CLOCK, 0x20);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
- /*
- * More custom configuration:
- * a) select "mode 2" and provide a current drive of 8mA
- * b) enable frequency selection (for capture/playback)
- */
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_wss_out(chip, CS4231_MISC_INFO,
- CS4231_MODE2 | 0x10);
- val = snd_wss_in(chip, AD1845_PWR_DOWN_CTRL);
- snd_wss_out(chip, AD1845_PWR_DOWN_CTRL,
- val | AD1845_FREQ_SEL_ENABLE);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
}
err = snd_wss_pcm(chip, 0, &pcm);
@@ -1113,11 +1003,13 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
"for AD1845 chip\n");
goto _error;
}
- err = snd_wss_timer(chip, 0, NULL);
- if (err < 0) {
- snd_printk(KERN_ERR "sscape: No timer device "
- "for AD1845 chip\n");
- goto _error;
+ if (chip->hardware != WSS_HW_AD1848) {
+ err = snd_wss_timer(chip, 0, NULL);
+ if (err < 0) {
+ snd_printk(KERN_ERR "sscape: No timer device "
+ "for AD1845 chip\n");
+ goto _error;
+ }
}
if (sscape->type != SSCAPE_VIVO) {
@@ -1128,8 +1020,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
"MIDI mixer control\n");
goto _error;
}
- chip->set_playback_format = ad1845_playback_format;
- chip->set_capture_format = ad1845_capture_format;
}
strcpy(card->driver, "SoundScape");
@@ -1157,7 +1047,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
unsigned dma_cfg;
unsigned irq_cfg;
unsigned mpu_irq_cfg;
- unsigned xport;
struct resource *io_res;
struct resource *wss_res;
unsigned long flags;
@@ -1177,15 +1066,15 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
return -ENXIO;
}
- xport = port[dev];
/*
* Grab IO ports that we will need to probe so that we
* can detect and control this hardware ...
*/
- io_res = request_region(xport, 8, "SoundScape");
+ io_res = request_region(port[dev], 8, "SoundScape");
if (!io_res) {
- snd_printk(KERN_ERR "sscape: can't grab port 0x%x\n", xport);
+ snd_printk(KERN_ERR
+ "sscape: can't grab port 0x%lx\n", port[dev]);
return -EBUSY;
}
wss_res = NULL;
@@ -1212,10 +1101,9 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
spin_lock_init(&sscape->fwlock);
sscape->io_res = io_res;
sscape->wss_res = wss_res;
- sscape->io_base = xport;
- sscape->wss_base = wss_port[dev];
+ sscape->io_base = port[dev];
- if (!detect_sscape(sscape)) {
+ if (!detect_sscape(sscape, wss_port[dev])) {
printk(KERN_ERR "sscape: hardware not detected at 0x%x\n", sscape->io_base);
err = -ENODEV;
goto _release_dma;
@@ -1288,12 +1176,11 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
}
#define MIDI_DEVNUM 0
if (sscape->type != SSCAPE_VIVO) {
- err = create_mpu401(card, MIDI_DEVNUM,
- MPU401_IO(xport), mpu_irq[dev]);
+ err = create_mpu401(card, MIDI_DEVNUM, port[dev], mpu_irq[dev]);
if (err < 0) {
printk(KERN_ERR "sscape: Failed to create "
- "MPU-401 device at 0x%x\n",
- MPU401_IO(xport));
+ "MPU-401 device at 0x%lx\n",
+ port[dev]);
goto _release_dma;
}
diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index ac27832b2c6f..5d2ba1b749ab 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -181,25 +181,6 @@ static void snd_wss_wait(struct snd_wss *chip)
udelay(100);
}
-static void snd_wss_outm(struct snd_wss *chip, unsigned char reg,
- unsigned char mask, unsigned char value)
-{
- unsigned char tmp = (chip->image[reg] & mask) | value;
-
- snd_wss_wait(chip);
-#ifdef CONFIG_SND_DEBUG
- if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
- snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
-#endif
- chip->image[reg] = tmp;
- if (!chip->calibrate_mute) {
- wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
- wmb();
- wss_outb(chip, CS4231P(REG), tmp);
- mb();
- }
-}
-
static void snd_wss_dout(struct snd_wss *chip, unsigned char reg,
unsigned char value)
{
@@ -597,7 +578,15 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
chip->image[CS4231_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_LOOPBACK,
chip->image[CS4231_LOOPBACK]);
+ } else {
+ snd_wss_dout(chip, CS4231_LEFT_INPUT,
+ 0);
+ snd_wss_dout(chip, CS4231_RIGHT_INPUT,
+ 0);
+ snd_wss_dout(chip, CS4231_LOOPBACK,
+ 0xfd);
}
+
snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT,
mute | chip->image[CS4231_AUX1_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT,
@@ -640,7 +629,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
int full_calib = 1;
mutex_lock(&chip->mce_mutex);
- snd_wss_calibrate_mute(chip, 1);
if (chip->hardware == WSS_HW_CS4231A ||
(chip->hardware & WSS_HW_CS4232_MASK)) {
spin_lock_irqsave(&chip->reg_lock, flags);
@@ -656,6 +644,24 @@ static void snd_wss_playback_format(struct snd_wss *chip,
full_calib = 0;
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ } else if (chip->hardware == WSS_HW_AD1845) {
+ unsigned rate = params_rate(params);
+
+ /*
+ * Program the AD1845 correctly for the playback stream.
+ * Note that we do NOT need to toggle the MCE bit because
+ * the PLAYBACK_ENABLE bit of the Interface Configuration
+ * register is set.
+ *
+ * NOTE: We seem to need to write to the MSB before the LSB
+ * to get the correct sample frequency.
+ */
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (pdfr & 0xf0));
+ snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+ snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+ full_calib = 0;
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
}
if (full_calib) {
snd_wss_mce_up(chip);
@@ -673,7 +679,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
udelay(100); /* this seems to help */
snd_wss_mce_down(chip);
}
- snd_wss_calibrate_mute(chip, 0);
mutex_unlock(&chip->mce_mutex);
}
@@ -685,7 +690,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
int full_calib = 1;
mutex_lock(&chip->mce_mutex);
- snd_wss_calibrate_mute(chip, 1);
if (chip->hardware == WSS_HW_CS4231A ||
(chip->hardware & WSS_HW_CS4232_MASK)) {
spin_lock_irqsave(&chip->reg_lock, flags);
@@ -700,6 +704,24 @@ static void snd_wss_capture_format(struct snd_wss *chip,
full_calib = 0;
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ } else if (chip->hardware == WSS_HW_AD1845) {
+ unsigned rate = params_rate(params);
+
+ /*
+ * Program the AD1845 correctly for the capture stream.
+ * Note that we do NOT need to toggle the MCE bit because
+ * the PLAYBACK_ENABLE bit of the Interface Configuration
+ * register is set.
+ *
+ * NOTE: We seem to need to write to the MSB before the LSB
+ * to get the correct sample frequency.
+ */
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ snd_wss_out(chip, CS4231_REC_FORMAT, (cdfr & 0xf0));
+ snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+ snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+ full_calib = 0;
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
}
if (full_calib) {
snd_wss_mce_up(chip);
@@ -724,7 +746,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
}
- snd_wss_calibrate_mute(chip, 0);
mutex_unlock(&chip->mce_mutex);
}
@@ -781,6 +802,7 @@ static void snd_wss_init(struct snd_wss *chip)
{
unsigned long flags;
+ snd_wss_calibrate_mute(chip, 1);
snd_wss_mce_down(chip);
#ifdef SNDRV_DEBUG_MCE
@@ -804,6 +826,8 @@ static void snd_wss_init(struct snd_wss *chip)
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
+ chip->image[CS4231_IFACE_CTRL] &= ~CS4231_AUTOCALIB;
+ snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
snd_wss_out(chip,
CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]);
spin_unlock_irqrestore(&chip->reg_lock, flags);
@@ -837,6 +861,7 @@ static void snd_wss_init(struct snd_wss *chip)
chip->image[CS4231_REC_FORMAT]);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
+ snd_wss_calibrate_mute(chip, 0);
#ifdef SNDRV_DEBUG_MCE
snd_printk(KERN_DEBUG "init: (5)\n");
@@ -895,8 +920,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
mutex_unlock(&chip->open_mutex);
return;
}
- snd_wss_calibrate_mute(chip, 1);
-
/* disable IRQ */
spin_lock_irqsave(&chip->reg_lock, flags);
if (!(chip->hardware & WSS_HW_AD1848_MASK))
@@ -929,8 +952,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */
spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_wss_calibrate_mute(chip, 0);
-
chip->mode = 0;
mutex_unlock(&chip->open_mutex);
}
@@ -1123,7 +1144,7 @@ irqreturn_t snd_wss_interrupt(int irq, void *dev_id)
if (chip->hardware & WSS_HW_AD1848_MASK)
wss_outb(chip, CS4231P(STATUS), 0);
else
- snd_wss_outm(chip, CS4231_IRQ_STATUS, status, 0);
+ snd_wss_out(chip, CS4231_IRQ_STATUS, status);
spin_unlock(&chip->reg_lock);
return IRQ_HANDLED;
}
@@ -1325,6 +1346,10 @@ static int snd_wss_probe(struct snd_wss *chip)
chip->image[CS4231_ALT_FEATURE_2] =
chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01;
}
+ /* enable fine grained frequency selection */
+ if (chip->hardware == WSS_HW_AD1845)
+ chip->image[AD1845_PWR_DOWN] = 8;
+
ptr = (unsigned char *) &chip->image;
regnum = (chip->hardware & WSS_HW_AD1848_MASK) ? 16 : 32;
snd_wss_mce_down(chip);