[ALSA] ad1816a - Add clockfreq module option
Documentation,AD1816A driver
Added clockfreq module option for the card with a different clock frequency
than 33kHz.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c
index 563296d..0eb442c 100644
--- a/sound/isa/ad1816a/ad1816a.c
+++ b/sound/isa/ad1816a/ad1816a.c
@@ -53,6 +53,7 @@
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
+static int clockfreq[SNDRV_CARDS];
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for ad1816a based soundcard.");
@@ -74,6 +75,8 @@
MODULE_PARM_DESC(dma1, "1st DMA # for ad1816a driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "2nd DMA # for ad1816a driver.");
+module_param_array(clockfreq, int, NULL, 0444);
+MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");
struct snd_card_ad1816a {
struct pnp_dev *dev;
@@ -209,6 +212,8 @@
snd_card_free(card);
return error;
}
+ if (clockfreq[dev] >= 5000 && clockfreq[dev] <= 100000)
+ chip->clock_freq = clockfreq[dev];
strcpy(card->driver, "AD1816A");
strcpy(card->shortname, "ADI SoundPort AD1816A");