redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ASoC: pxa: switch to new ac97 bus support 

Switch to the new ac97 bus support in sound/ac97 instead of the legacy
snd_ac97 one.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Robert Jarzmik 2018-08-25 10:46:18 +02:00 committed by Mark Brown
parent 8dcb0c90c6
commit 1c8bc7b3de
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 27 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sound/arm/Kconfig
View File

@ -31,7 +31,6 @@ endif # SND_ARM
config SND_PXA2XX_LIB
tristate
select SND_AC97_CODEC if SND_PXA2XX_LIB_AC97
select SND_DMAENGINE_PCM
config SND_PXA2XX_LIB_AC97

5
sound/soc/pxa/Kconfig
View File

@ -19,14 +19,13 @@ config SND_MMP_SOC
config SND_PXA2XX_AC97
tristate
select SND_AC97_CODEC
config SND_PXA2XX_SOC_AC97
tristate
select AC97_BUS
select AC97_BUS_NEW
select SND_PXA2XX_LIB
select SND_PXA2XX_LIB_AC97
select SND_SOC_AC97_BUS
select SND_SOC_AC97_BUS_NEW
config SND_PXA2XX_SOC_I2S
select SND_PXA2XX_LIB

48
sound/soc/pxa/pxa2xx-ac97.c
View File

@ -17,6 +17,7 @@
#include <linux/dmaengine.h>
#include <linux/dma/pxa-dma.h>
#include <sound/ac97/controller.h>
#include <sound/core.h>
#include <sound/ac97_codec.h>
#include <sound/soc.h>
@ -27,43 +28,35 @@
#include <mach/regs-ac97.h>
#include <mach/audio.h>
static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
static void pxa2xx_ac97_warm_reset(struct ac97_controller *adrv)
{
pxa2xx_ac97_try_warm_reset();
pxa2xx_ac97_finish_reset();
}
static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
static void pxa2xx_ac97_cold_reset(struct ac97_controller *adrv)
{
pxa2xx_ac97_try_cold_reset();
pxa2xx_ac97_finish_reset();
}
static unsigned short pxa2xx_ac97_legacy_read(struct snd_ac97 *ac97,
unsigned short reg)
static int pxa2xx_ac97_read_actrl(struct ac97_controller *adrv, int slot,
unsigned short reg)
{
int ret;
ret = pxa2xx_ac97_read(ac97->num, reg);
if (ret < 0)
return 0;
else
return (unsigned short)(ret & 0xffff);
return pxa2xx_ac97_read(slot, reg);
}
static void pxa2xx_ac97_legacy_write(struct snd_ac97 *ac97,
unsigned short reg, unsigned short val)
static int pxa2xx_ac97_write_actrl(struct ac97_controller *adrv, int slot,
unsigned short reg, unsigned short val)
{
int ret;
ret = pxa2xx_ac97_write(ac97->num, reg, val);
return pxa2xx_ac97_write(slot, reg, val);
}
static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
.read = pxa2xx_ac97_legacy_read,
.write = pxa2xx_ac97_legacy_write,
static struct ac97_controller_ops pxa2xx_ac97_ops = {
.read = pxa2xx_ac97_read_actrl,
.write = pxa2xx_ac97_write_actrl,
.warm_reset = pxa2xx_ac97_warm_reset,
.reset = pxa2xx_ac97_cold_reset,
};
@ -233,6 +226,9 @@ MODULE_DEVICE_TABLE(of, pxa2xx_ac97_dt_ids);
static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
{
int ret;
struct ac97_controller *ctrl;
pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
void **codecs_pdata;
if (pdev->id != -1) {
dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
@ -245,10 +241,14 @@ static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
return ret;
}
ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops);
if (ret != 0)
return ret;
codecs_pdata = pdata ? pdata->codec_pdata : NULL;
ctrl = snd_ac97_controller_register(&pxa2xx_ac97_ops, &pdev->dev,
AC97_SLOTS_AVAILABLE_ALL,
codecs_pdata);
if (IS_ERR(ctrl))
return PTR_ERR(ctrl);
platform_set_drvdata(pdev, ctrl);
/* Punt most of the init to the SoC probe; we may need the machine
* driver to do interesting things with the clocking to get us up
* and running.
@ -259,8 +259,10 @@ static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
static int pxa2xx_ac97_dev_remove(struct platform_device *pdev)
{
struct ac97_controller *ctrl = platform_get_drvdata(pdev);
snd_soc_unregister_component(&pdev->dev);
snd_soc_set_ac97_ops(NULL);
snd_ac97_controller_unregister(ctrl);
pxa2xx_ac97_hw_remove(pdev);
return 0;
}