---

yaml --- r: 91213 b: refs/heads/master c: 942de47 h: refs/heads/master i: 91211: 8845db8 v: v3
git-mirror · Apr 19, 2008 · c709032 · c709032
1 parent ae99fb6
commit c709032
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Showing 2 changed files with 39 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 93873fbfd86c08ac3e4f1b37e667cf858a8b2fab
+refs/heads/master: 942de47bfee24143ecbf75b981b32143bd414529
diff --git a/trunk/sound/soc/pxa/pxa2xx-ac97.c b/trunk/sound/soc/pxa/pxa2xx-ac97.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/wait.h>
+#include <linux/clk.h>
 #include <linux/delay.h>
 
 #include <sound/core.h>
@@ -35,6 +36,10 @@
 static DEFINE_MUTEX(car_mutex);
 static DECLARE_WAIT_QUEUE_HEAD(gsr_wq);
 static volatile long gsr_bits;
+static struct clk *ac97_clk;
+#ifdef CONFIG_PXA27x
+static struct clk *ac97conf_clk;
+#endif
 
 /*
  * Beware PXA27x bugs:
@@ -159,9 +164,9 @@ static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
 	gsr_bits = 0;
 #ifdef CONFIG_PXA27x
 	/* PXA27x Developers Manual section 13.5.2.2.1 */
-	pxa_set_cken(CKEN_AC97CONF, 1);
+	clk_enable(ac97conf_clk);
 	udelay(5);
-	pxa_set_cken(CKEN_AC97CONF, 0);
+	clk_disable(ac97conf_clk);
 	GCR = GCR_COLD_RST;
 	udelay(50);
 #else
@@ -255,7 +260,7 @@ static int pxa2xx_ac97_suspend(struct platform_device *pdev,
 	struct snd_soc_cpu_dai *dai)
 {
 	GCR |= GCR_ACLINK_OFF;
-	pxa_set_cken(CKEN_AC97, 0);
+	clk_disable(ac97_clk);
 	return 0;
 }
 
@@ -270,7 +275,7 @@ static int pxa2xx_ac97_resume(struct platform_device *pdev,
 	/* Use GPIO 113 as AC97 Reset on Bulverde */
 	pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
 #endif
-	pxa_set_cken(CKEN_AC97, 1);
+	clk_enable(ac97_clk);
 	return 0;
 }
 
@@ -294,24 +299,46 @@ static int pxa2xx_ac97_probe(struct platform_device *pdev)
 #ifdef CONFIG_PXA27x
 	/* Use GPIO 113 as AC97 Reset on Bulverde */
 	pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+
+	ac97conf_clk = clk_get(&pdev->dev, "AC97CONFCLK");
+	if (IS_ERR(ac97conf_clk)) {
+		ret = PTR_ERR(ac97conf_clk);
+		ac97conf_clk = NULL;
+		goto err_irq;
+	}
 #endif
-	pxa_set_cken(CKEN_AC97, 1);
+	ac97_clk = clk_get(&pdev->dev, "AC97CLK");
+	if (IS_ERR(ac97_clk)) {
+		ret = PTR_ERR(ac97_clk);
+		ac97_clk = NULL;
+		goto err_irq;
+	}
 	return 0;
 
- err:
-	if (CKEN & (1 << CKEN_AC97)) {
-		GCR |= GCR_ACLINK_OFF;
-		free_irq(IRQ_AC97, NULL);
-		pxa_set_cken(CKEN_AC97, 0);
+ err_irq:
+	GCR |= GCR_ACLINK_OFF;
+#ifdef CONFIG_PXA27x
+	if (ac97conf_clk) {
+		clk_put(ac97conf_clk);
+		ac97conf_clk = NULL;
 	}
+#endif
+	free_irq(IRQ_AC97, NULL);
+ err:
 	return ret;
 }
 
 static void pxa2xx_ac97_remove(struct platform_device *pdev)
 {
 	GCR |= GCR_ACLINK_OFF;
 	free_irq(IRQ_AC97, NULL);
-	pxa_set_cken(CKEN_AC97, 0);
+#ifdef CONFIG_PXA27x
+	clk_put(ac97conf_clk);
+	ac97conf_clk = NULL;
+#endif
+	clk_disable(ac97_clk);
+	clk_put(ac97_clk);
+	ac97_clk = NULL;
 }
 
 static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,