[ALSA] sparc dbri: fixed setting of burst size after reset

A proper way to set DBRI's burst size. The size must be set after
each chip reset.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 6fc37c9..810f8b9 100644 (file)
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -690,6 +690,7 @@ static void dbri_cmdsend(struct snd_dbri * dbri, volatile s32 * cmd)
 static void dbri_reset(struct snd_dbri * dbri)
 {
        int i;
+       u32 tmp;
 
        dprintk(D_GEN, "reset 0:%x 2:%x 8:%x 9:%x\n",
                sbus_readl(dbri->regs + REG0),
@@ -699,13 +700,20 @@ static void dbri_reset(struct snd_dbri * dbri)
        sbus_writel(D_R, dbri->regs + REG0);    /* Soft Reset */
        for (i = 0; (sbus_readl(dbri->regs + REG0) & D_R) && i < 64; i++)
                udelay(10);
+
+       /* A brute approach - DBRI falls back to working burst size by itself
+        * On SS20 D_S does not work, so do not try so high. */
+       tmp = sbus_readl(dbri->regs + REG0);
+       tmp |= D_G | D_E;
+       tmp &= ~D_S;
+       sbus_writel(tmp, dbri->regs + REG0);
 }
 
 /* Lock must not be held before calling this */
 static void dbri_initialize(struct snd_dbri * dbri)
 {
        volatile s32 *cmd;
-       u32 dma_addr, tmp;
+       u32 dma_addr;
        unsigned long flags;
        int n;
 
@@ -721,13 +729,6 @@ static void dbri_initialize(struct snd_dbri * dbri)
        for (n = 0; n < DBRI_NO_PIPES; n++)
                dbri->pipes[n].desc = dbri->pipes[n].first_desc = -1;
 
-       /* A brute approach - DBRI falls back to working burst size by itself
-        * On SS20 D_S does not work, so do not try so high. */
-       tmp = sbus_readl(dbri->regs + REG0);
-       tmp |= D_G | D_E;
-       tmp &= ~D_S;
-       sbus_writel(tmp, dbri->regs + REG0);
-
        /*
         * Initialize the interrupt ringbuffer.
         */