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ep93xx: Don't use system controller defines in audio drivers 

Both the Snapper CL15 and EDB93xx audio drivers set the same audio
configuration in ep93xx_i2s_acquire. Remove the arguments to
ep93xx_i2s_acquire so that the audio drivers no longer need the
EP93XX_SYSCON defines exported.

Cc: Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ryan Mallon 2012-01-11 14:14:31 +11:00 committed by Mark Brown
parent 291d64be31
commit 44fb864b8f
4 changed files with 7 additions and 22 deletions
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19
arch/arm/mach-ep93xx/core.c
View File

@ -817,23 +817,12 @@ void __init ep93xx_register_i2s(void)
#define EP93XX_I2SCLKDIV_MASK (EP93XX_SYSCON_I2SCLKDIV_ORIDE | \
EP93XX_SYSCON_I2SCLKDIV_SPOL)
int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config)
int ep93xx_i2s_acquire(void)
{
unsigned val;
/* Sanity check */
if (i2s_pins & ~EP93XX_SYSCON_DEVCFG_I2S_MASK)
return -EINVAL;
if (i2s_config & ~EP93XX_I2SCLKDIV_MASK)
return -EINVAL;
/* Must have only one of I2SONSSP/I2SONAC97 set */
if ((i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONSSP) ==
(i2s_pins & EP93XX_SYSCON_DEVCFG_I2SONAC97))
return -EINVAL;
ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_I2S_MASK);
ep93xx_devcfg_set_bits(i2s_pins);
ep93xx_devcfg_set_clear(EP93XX_SYSCON_DEVCFG_I2SONAC97,
EP93XX_SYSCON_DEVCFG_I2S_MASK);
/*
* This is potentially racy with the clock api for i2s_mclk, sclk and
@ -843,7 +832,7 @@ int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config)
*/
val = __raw_readl(EP93XX_SYSCON_I2SCLKDIV);
val &= ~EP93XX_I2SCLKDIV_MASK;
val |= i2s_config;
val |= EP93XX_SYSCON_I2SCLKDIV_ORIDE | EP93XX_SYSCON_I2SCLKDIV_SPOL;
ep93xx_syscon_swlocked_write(val, EP93XX_SYSCON_I2SCLKDIV);
return 0;

2
arch/arm/mach-ep93xx/include/mach/platform.h
View File

@ -59,7 +59,7 @@ void ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data);
int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
void ep93xx_keypad_release_gpio(struct platform_device *pdev);
void ep93xx_register_i2s(void);
int ep93xx_i2s_acquire(unsigned i2s_pins, unsigned i2s_config);
int ep93xx_i2s_acquire(void);
void ep93xx_i2s_release(void);
void ep93xx_register_ac97(void);

4
sound/soc/ep93xx/edb93xx.c
View File

@ -85,9 +85,7 @@ static int __devinit edb93xx_probe(struct platform_device *pdev)
struct snd_soc_card *card = &snd_soc_edb93xx;
int ret;
ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97,
EP93XX_SYSCON_I2SCLKDIV_ORIDE |
EP93XX_SYSCON_I2SCLKDIV_SPOL);
ret = ep93xx_i2s_acquire();
if (ret)
return ret;

4
sound/soc/ep93xx/snappercl15.c
View File

@ -103,9 +103,7 @@ static int __devinit snappercl15_probe(struct platform_device *pdev)
struct snd_soc_card *card = &snd_soc_snappercl15;
int ret;
ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97,
EP93XX_SYSCON_I2SCLKDIV_ORIDE |
EP93XX_SYSCON_I2SCLKDIV_SPOL);
ret = ep93xx_i2s_acquire();
if (ret)
return ret;