diff options
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/Kconfig | 15 | ||||
| -rw-r--r-- | sound/arm/aaci.c | 2 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-ac97-lib.c | 21 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 2 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm.c | 1 |
5 files changed, 31 insertions, 10 deletions
diff --git a/sound/arm/Kconfig b/sound/arm/Kconfig index 885683a..e040621 100644 --- a/sound/arm/Kconfig +++ b/sound/arm/Kconfig @@ -9,6 +9,14 @@ menuconfig SND_ARM Drivers that are implemented on ASoC can be found in "ALSA for SoC audio support" section. +config SND_PXA2XX_LIB + tristate + select SND_AC97_CODEC if SND_PXA2XX_LIB_AC97 + select SND_DMAENGINE_PCM + +config SND_PXA2XX_LIB_AC97 + bool + if SND_ARM config SND_ARMAACI @@ -21,13 +29,6 @@ config SND_PXA2XX_PCM tristate select SND_PCM -config SND_PXA2XX_LIB - tristate - select SND_AC97_CODEC if SND_PXA2XX_LIB_AC97 - -config SND_PXA2XX_LIB_AC97 - bool - config SND_PXA2XX_AC97 tristate "AC97 driver for the Intel PXA2xx chip" depends on ARCH_PXA diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index d0cead3..e518d38 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -443,7 +443,7 @@ static int aaci_pcm_open(struct snd_pcm_substream *substream) mutex_lock(&aaci->irq_lock); if (!aaci->users++) { ret = request_irq(aaci->dev->irq[0], aaci_irq, - IRQF_SHARED | IRQF_DISABLED, DRIVER_NAME, aaci); + IRQF_SHARED, DRIVER_NAME, aaci); if (ret != 0) aaci->users--; } diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 05bdcb2..52a4318 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -16,6 +16,8 @@ #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/module.h> +#include <linux/gpio.h> #include <sound/ac97_codec.h> #include <sound/pxa2xx-lib.h> @@ -342,8 +344,21 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev) } if (cpu_is_pxa27x()) { - /* Use GPIO 113 as AC97 Reset on Bulverde */ + /* + * This gpio is needed for a work-around to a bug in the ac97 + * controller during warm reset. The direction and level is set + * here so that it is an output driven high when switching from + * AC97_nRESET alt function to generic gpio. + */ + ret = gpio_request_one(reset_gpio, GPIOF_OUT_INIT_HIGH, + "pxa27x ac97 reset"); + if (ret < 0) { + pr_err("%s: gpio_request_one() failed: %d\n", + __func__, ret); + goto err_conf; + } pxa27x_assert_ac97reset(reset_gpio, 0); + ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK"); if (IS_ERR(ac97conf_clk)) { ret = PTR_ERR(ac97conf_clk); @@ -363,7 +378,7 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev) if (ret) goto err_clk2; - ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL); + ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, 0, "AC97", NULL); if (ret < 0) goto err_irq; @@ -386,6 +401,8 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_probe); void pxa2xx_ac97_hw_remove(struct platform_device *dev) { + if (cpu_is_pxa27x()) + gpio_free(reset_gpio); GCR |= GCR_ACLINK_OFF; free_irq(IRQ_AC97, NULL); if (ac97conf_clk) { diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index 76e0d56..823359e 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -166,7 +166,9 @@ void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id) } else { printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n", rtd->params->name, dma_ch, dcsr); + snd_pcm_stream_lock(substream); snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock(substream); } } EXPORT_SYMBOL(pxa2xx_pcm_dma_irq); diff --git a/sound/arm/pxa2xx-pcm.c b/sound/arm/pxa2xx-pcm.c index 535704f..26422a3 100644 --- a/sound/arm/pxa2xx-pcm.c +++ b/sound/arm/pxa2xx-pcm.c @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <sound/core.h> #include <sound/pxa2xx-lib.h> |