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-rw-r--r--sound/soc/fsl/mpc5200_psc_ac97.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index 794a247b3eb5..9b8503f2d68c 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -41,6 +41,10 @@ static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
41 pr_err("timeout on ac97 bus (rdy)\n"); 41 pr_err("timeout on ac97 bus (rdy)\n");
42 return -ENODEV; 42 return -ENODEV;
43 } 43 }
44
45 /* Force clear the data valid bit */
46 in_be32(&psc_dma->psc_regs->ac97_data);
47
44 /* Send the read */ 48 /* Send the read */
45 out_be32(&psc_dma->psc_regs->ac97_cmd, (1<<31) | ((reg & 0x7f) << 24)); 49 out_be32(&psc_dma->psc_regs->ac97_cmd, (1<<31) | ((reg & 0x7f) << 24));
46 50