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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 13:42:58 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 13:42:58 -0400
commite4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch)
tree1db5a0540a4eecfad9b7daee476b985e82ddc810 /sound/soc/fsl/mpc5200_psc_ac97.c
parentec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff)
parentb2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff)
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I suspect now need another rename. Conflicts: arch/arm/mach-mx2/clock_imx27.c arch/arm/mach-mx2/devices.c arch/arm/mach-omap2/board-rx51-peripherals.c arch/arm/mach-omap2/board-zoom2.c sound/soc/fsl/mpc5200_dma.c sound/soc/fsl/mpc5200_dma.h sound/soc/fsl/mpc8610_hpcd.c sound/soc/pxa/spitz.c
Diffstat (limited to 'sound/soc/fsl/mpc5200_psc_ac97.c')
-rw-r--r--sound/soc/fsl/mpc5200_psc_ac97.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index 11706c128c08..40acc8e2b1ca 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -20,6 +20,7 @@
20 20
21#include <asm/time.h> 21#include <asm/time.h>
22#include <asm/delay.h> 22#include <asm/delay.h>
23#include <asm/mpc52xx.h>
23#include <asm/mpc52xx_psc.h> 24#include <asm/mpc52xx_psc.h>
24 25
25#include "mpc5200_dma.h" 26#include "mpc5200_dma.h"
@@ -100,19 +101,32 @@ static void psc_ac97_warm_reset(struct snd_ac97 *ac97)
100{ 101{
101 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; 102 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
102 103
104 mutex_lock(&psc_dma->mutex);
105
103 out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR); 106 out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR);
104 udelay(3); 107 udelay(3);
105 out_be32(&regs->sicr, psc_dma->sicr); 108 out_be32(&regs->sicr, psc_dma->sicr);
109
110 mutex_unlock(&psc_dma->mutex);
106} 111}
107 112
108static void psc_ac97_cold_reset(struct snd_ac97 *ac97) 113static void psc_ac97_cold_reset(struct snd_ac97 *ac97)
109{ 114{
110 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; 115 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
111 116
112 /* Do a cold reset */ 117 mutex_lock(&psc_dma->mutex);
113 out_8(&regs->op1, MPC52xx_PSC_OP_RES); 118 dev_dbg(psc_dma->dev, "cold reset\n");
114 udelay(10); 119
115 out_8(&regs->op0, MPC52xx_PSC_OP_RES); 120 mpc5200_psc_ac97_gpio_reset(psc_dma->id);
121
122 /* Notify the PSC that a reset has occurred */
123 out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_ACRB);
124
125 /* Re-enable RX and TX */
126 out_8(&regs->command, MPC52xx_PSC_TX_ENABLE | MPC52xx_PSC_RX_ENABLE);
127
128 mutex_unlock(&psc_dma->mutex);
129
116 msleep(1); 130 msleep(1);
117 psc_ac97_warm_reset(ac97); 131 psc_ac97_warm_reset(ac97);
118} 132}
@@ -258,7 +272,7 @@ static struct snd_soc_dai_driver psc_ac97_dai[] = {
258 * - Probe/remove operations 272 * - Probe/remove operations
259 * - OF device match table 273 * - OF device match table
260 */ 274 */
261static int __devinit psc_ac97_of_probe(struct of_device *op, 275static int __devinit psc_ac97_of_probe(struct platform_device *op,
262 const struct of_device_id *match) 276 const struct of_device_id *match)
263{ 277{
264 int rc; 278 int rc;
@@ -288,7 +302,7 @@ static int __devinit psc_ac97_of_probe(struct of_device *op,
288 return 0; 302 return 0;
289} 303}
290 304
291static int __devexit psc_ac97_of_remove(struct of_device *op) 305static int __devexit psc_ac97_of_remove(struct platform_device *op)
292{ 306{
293 snd_soc_unregister_dais(&op->dev, ARRAY_SIZE(psc_ac97_dai)); 307 snd_soc_unregister_dais(&op->dev, ARRAY_SIZE(psc_ac97_dai));
294 return 0; 308 return 0;