[ALSA] cs5535audio: drop unused bus master stuff

We really only care about the first two bus masters (playback and capture).
There's no need to have unused BM code lying around, so let's get rid of it.
If for some reason we trigger an IRQ for some BM that we're not using.. well,
that warrants spitting out an error message (imo).

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 3 insertions, 21 deletions

diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
index b8e75ef9c1e6..2b35889787be 100644
--- a/sound/pci/cs5535audio/cs5535audio.c
+++ b/sound/pci/cs5535audio/cs5535audio.c
@@ -206,7 +206,6 @@ static void process_bm1_irq(struct cs5535audio *cs5535au)
 static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
 {
         u16 acc_irq_stat;
-        u8 bm_stat;
         unsigned char count;
         struct cs5535audio *cs5535au = dev_id;
 
@@ -217,7 +216,7 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
 
         if (!acc_irq_stat)
                 return IRQ_NONE;
-        for (count = 0; count < 10; count++) {
+        for (count = 0; count < 4; count++) {
                 if (acc_irq_stat & (1 << count)) {
                         switch (count) {
                         case IRQ_STS:
@@ -232,26 +231,9 @@ static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id)
                         case BM1_IRQ_STS:
                                 process_bm1_irq(cs5535au);
                                 break;
-                        case BM2_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM2_STATUS);
-                                break;
-                        case BM3_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM3_STATUS);
-                                break;
-                        case BM4_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM4_STATUS);
-                                break;
-                        case BM5_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM5_STATUS);
-                                break;
-                        case BM6_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM6_STATUS);
-                                break;
-                        case BM7_IRQ_STS:
-                                bm_stat = cs_readb(cs5535au, ACC_BM7_STATUS);
-                                break;
                         default:
-                                snd_printk(KERN_ERR "Unexpected irq src\n");
+                                snd_printk(KERN_ERR "Unexpected irq src: "
+                                                "0x%x\n", acc_irq_stat);
                                 break;
                         }
                 }