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Merge remote-tracking branch 'asoc/topic/pxa' into asoc-next

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This commit is contained in:
Mark Brown 2013-02-11 11:06:39 +00:00
commit f8843c91c6
3 changed files with 28 additions and 38 deletions
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20
arch/arm/mach-pxa/pxa27x.c
View File

@ -53,17 +53,25 @@ static unsigned long ac97_reset_config[] = {
GPIO95_AC97_nRESET,
};
void pxa27x_assert_ac97reset(int reset_gpio, int on)
void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio)
{
/*
* This helper function is used to work around a bug in the pxa27x's
* ac97 controller during a warm reset. The configuration of the
* reset_gpio is changed as follows:
* to_gpio == true: configured to generic output gpio and driven high
* to_gpio == false: configured to ac97 controller alt fn AC97_nRESET
*/
if (reset_gpio == 113)
pxa2xx_mfp_config(on ? &ac97_reset_config[0] :
&ac97_reset_config[1], 1);
pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[0] :
&ac97_reset_config[1], 1);
if (reset_gpio == 95)
pxa2xx_mfp_config(on ? &ac97_reset_config[2] :
&ac97_reset_config[3], 1);
pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[2] :
&ac97_reset_config[3], 1);
}
EXPORT_SYMBOL_GPL(pxa27x_assert_ac97reset);
EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset);
/* Crystal clock: 13MHz */
#define BASE_CLK 13000000

8
sound/arm/pxa2xx-ac97-lib.c
View File

@ -34,7 +34,7 @@ static struct clk *ac97_clk;
static struct clk *ac97conf_clk;
static int reset_gpio;
extern void pxa27x_assert_ac97reset(int reset_gpio, int on);
extern void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio);
/*
* Beware PXA27x bugs:
@ -140,10 +140,10 @@ static inline void pxa_ac97_warm_pxa27x(void)
gsr_bits = 0;
/* warm reset broken on Bulverde, so manually keep AC97 reset high */
pxa27x_assert_ac97reset(reset_gpio, 1);
pxa27x_configure_ac97reset(reset_gpio, true);
udelay(10);
GCR |= GCR_WARM_RST;
pxa27x_assert_ac97reset(reset_gpio, 0);
pxa27x_configure_ac97reset(reset_gpio, false);
udelay(500);
}
@ -358,7 +358,7 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev)
__func__, ret);
goto err_conf;
}
pxa27x_assert_ac97reset(reset_gpio, 0);
pxa27x_configure_ac97reset(reset_gpio, false);
ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
if (IS_ERR(ac97conf_clk)) {

38
sound/soc/pxa/palm27x.c
View File

@ -79,17 +79,6 @@ static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_dapm_context *dapm = &codec->dapm;
int err;
/* add palm27x specific widgets */
err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
ARRAY_SIZE(palm27x_dapm_widgets));
if (err)
return err;
/* set up palm27x specific audio path audio_map */
err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
if (err)
return err;
/* connected pins */
if (machine_is_palmld())
snd_soc_dapm_enable_pin(dapm, "MIC1");
@ -149,10 +138,12 @@ static struct snd_soc_card palm27x_asoc = {
.owner = THIS_MODULE,
.dai_link = palm27x_dai,
.num_links = ARRAY_SIZE(palm27x_dai),
.dapm_widgets = palm27x_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map)
};
static struct platform_device *palm27x_snd_device;
static int palm27x_asoc_probe(struct platform_device *pdev)
{
int ret;
@ -169,27 +160,18 @@ static int palm27x_asoc_probe(struct platform_device *pdev)
hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
(pdev->dev.platform_data))->jack_gpio;
palm27x_snd_device = platform_device_alloc("soc-audio", -1);
if (!palm27x_snd_device)
return -ENOMEM;
platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
ret = platform_device_add(palm27x_snd_device);
if (ret != 0)
goto put_device;
return 0;
put_device:
platform_device_put(palm27x_snd_device);
palm27x_asoc.dev = &pdev->dev;
ret = snd_soc_register_card(&palm27x_asoc);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
return ret;
}
static int palm27x_asoc_remove(struct platform_device *pdev)
{
platform_device_unregister(palm27x_snd_device);
snd_soc_unregister_card(&palm27x_asoc);
return 0;
}