A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge remote branch 'gcl/next' into next

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This commit is contained in:
Benjamin Herrenschmidt 2010-08-09 11:23:58 +10:00
commit 8b449d1f13
5 changed files with 128 additions and 4 deletions
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22
sound/soc/fsl/mpc5200_psc_ac97.c
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@ -20,6 +20,7 @@
#include <asm/time.h>
#include <asm/delay.h>
#include <asm/mpc52xx.h>
#include <asm/mpc52xx_psc.h>
#include "mpc5200_dma.h"
@ -100,19 +101,32 @@ static void psc_ac97_warm_reset(struct snd_ac97 *ac97)
{
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
mutex_lock(&psc_dma->mutex);
out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR);
udelay(3);
out_be32(&regs->sicr, psc_dma->sicr);
mutex_unlock(&psc_dma->mutex);
}
static void psc_ac97_cold_reset(struct snd_ac97 *ac97)
{
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
/* Do a cold reset */
out_8(&regs->op1, MPC52xx_PSC_OP_RES);
udelay(10);
out_8(&regs->op0, MPC52xx_PSC_OP_RES);
mutex_lock(&psc_dma->mutex);
dev_dbg(psc_dma->dev, "cold reset\n");
mpc5200_psc_ac97_gpio_reset(psc_dma->id);
/* Notify the PSC that a reset has occurred */
out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_ACRB);
/* Re-enable RX and TX */
out_8(&regs->command, MPC52xx_PSC_TX_ENABLE | MPC52xx_PSC_RX_ENABLE);
mutex_unlock(&psc_dma->mutex);
msleep(1);
psc_ac97_warm_reset(ac97);
}