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ARM: pxa: spitz: use gpio descriptors for audio 

The audio driver should not use a hardwired gpio number
from the header. Change it to use a lookup table.

Acked-by: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-09-11 16:43:59 +02:00
parent 047dc2a21e
commit 726d8c965b
4 changed files with 57 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
arch/arm/mach-pxa/spitz.c
View File

@ -44,7 +44,7 @@
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <mach/spitz.h>
#include "spitz.h"
#include "sharpsl_pm.h"
#include <mach/smemc.h>
@ -962,11 +962,42 @@ static void __init spitz_i2c_init(void)
static inline void spitz_i2c_init(void) {}
#endif
static struct gpiod_lookup_table spitz_audio_gpio_table = {
.dev_id = "spitz-audio",
.table = {
GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
"mute-l", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
"mute-r", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE,
"mic", GPIO_ACTIVE_HIGH),
{ },
},
};
static struct gpiod_lookup_table akita_audio_gpio_table = {
.dev_id = "spitz-audio",
.table = {
GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE,
"mute-l", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE,
"mute-r", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE,
"mic", GPIO_ACTIVE_HIGH),
{ },
},
};
/******************************************************************************
* Audio devices
******************************************************************************/
static inline void spitz_audio_init(void)
{
if (machine_is_akita())
gpiod_add_lookup_table(&akita_audio_gpio_table);
else
gpiod_add_lookup_table(&spitz_audio_gpio_table);
platform_device_register_simple("spitz-audio", -1, NULL, 0);
}

2
arch/arm/mach-pxa/include/mach/spitz.h → arch/arm/mach-pxa/spitz.h
View File

@ -11,7 +11,7 @@
#define __ASM_ARCH_SPITZ_H 1
#endif
#include "irqs.h" /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */
#include <mach/irqs.h> /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */
#include <linux/fb.h>
/* Spitz/Akita GPIOs */

2
arch/arm/mach-pxa/spitz_pm.c
View File

@ -19,7 +19,7 @@
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/spitz.h>
#include "spitz.h"
#include "pxa27x.h"
#include "sharpsl_pm.h"

58
sound/soc/pxa/spitz.c
View File

@ -14,13 +14,12 @@
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
#include <mach/spitz.h>
#include "../codecs/wm8750.h"
#include "pxa2xx-i2s.h"
@ -37,7 +36,7 @@
static int spitz_jack_func;
static int spitz_spk_func;
static int spitz_mic_gpio;
static struct gpio_desc *gpiod_mic, *gpiod_mute_l, *gpiod_mute_r;
static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
{
@ -56,8 +55,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
gpiod_set_value(gpiod_mute_l, 1);
gpiod_set_value(gpiod_mute_r, 1);
break;
case SPITZ_MIC:
/* enable mic jack and bias, mute hp */
@ -65,8 +64,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
gpiod_set_value(gpiod_mute_l, 0);
gpiod_set_value(gpiod_mute_r, 0);
break;
case SPITZ_LINE:
/* enable line jack, disable mic bias and mute hp */
@ -74,8 +73,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
gpiod_set_value(gpiod_mute_l, 0);
gpiod_set_value(gpiod_mute_r, 0);
break;
case SPITZ_HEADSET:
/* enable and unmute headset jack enable mic bias, mute L hp */
@ -83,8 +82,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
gpiod_set_value(gpiod_mute_l, 0);
gpiod_set_value(gpiod_mute_r, 1);
break;
case SPITZ_HP_OFF:
@ -93,8 +92,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
gpiod_set_value(gpiod_mute_l, 0);
gpiod_set_value(gpiod_mute_r, 0);
break;
}
@ -199,7 +198,7 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol,
static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event));
gpiod_set_value_cansleep(gpiod_mic, SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
@ -287,39 +286,28 @@ static int spitz_probe(struct platform_device *pdev)
struct snd_soc_card *card = &snd_soc_spitz;
int ret;
if (machine_is_akita())
spitz_mic_gpio = AKITA_GPIO_MIC_BIAS;
else
spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS;
ret = gpio_request(spitz_mic_gpio, "MIC GPIO");
if (ret)
goto err1;
ret = gpio_direction_output(spitz_mic_gpio, 0);
if (ret)
goto err2;
gpiod_mic = devm_gpiod_get(&pdev->dev, "mic", GPIOD_OUT_LOW);
if (IS_ERR(gpiod_mic))
return PTR_ERR(gpiod_mic);
gpiod_mute_l = devm_gpiod_get(&pdev->dev, "mute-l", GPIOD_OUT_LOW);
if (IS_ERR(gpiod_mute_l))
return PTR_ERR(gpiod_mute_l);
gpiod_mute_r = devm_gpiod_get(&pdev->dev, "mute-r", GPIOD_OUT_LOW);
if (IS_ERR(gpiod_mute_r))
return PTR_ERR(gpiod_mute_r);
card->dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
goto err2;
}
return 0;
err2:
gpio_free(spitz_mic_gpio);
err1:
return ret;
}
static int spitz_remove(struct platform_device *pdev)
{
gpio_free(spitz_mic_gpio);
return 0;
}