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ASoC: atmel-ssc: distinguish whether SSC supports fslen ext

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Add compatible string to distinguish whether SSC supports
frame sync length extension.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Bo Shen 2014-06-11 18:14:39 +08:00 • committed by Mark Brown
parent 53e3030b4b
commit c4027faf1d
2 changed files with 14 additions and 0 deletions
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13
drivers/misc/atmel-ssc.c
View file

@ -83,16 +83,26 @@ EXPORT_SYMBOL(ssc_free);
static struct atmel_ssc_platform_data at91rm9200_config = { static struct atmel_ssc_platform_data at91rm9200_config = {
.use_dma = 0, .use_dma = 0,
.has_fslen_ext = 0,
};
static struct atmel_ssc_platform_data at91sam9rl_config = {
.use_dma = 0,
.has_fslen_ext = 1,
}; };
static struct atmel_ssc_platform_data at91sam9g45_config = { static struct atmel_ssc_platform_data at91sam9g45_config = {
.use_dma = 1, .use_dma = 1,
.has_fslen_ext = 1,
}; };
static const struct platform_device_id atmel_ssc_devtypes[] = { static const struct platform_device_id atmel_ssc_devtypes[] = {
{ {
.name = "at91rm9200_ssc", .name = "at91rm9200_ssc",
.driver_data = (unsigned long) &at91rm9200_config, .driver_data = (unsigned long) &at91rm9200_config,
}, {
.name = "at91sam9rl_ssc",
.driver_data = (unsigned long) &at91sam9rl_config,
}, { }, {
.name = "at91sam9g45_ssc", .name = "at91sam9g45_ssc",
.driver_data = (unsigned long) &at91sam9g45_config, .driver_data = (unsigned long) &at91sam9g45_config,
@ -106,6 +116,9 @@ static const struct of_device_id atmel_ssc_dt_ids[] = {
{ {
.compatible = "atmel,at91rm9200-ssc", .compatible = "atmel,at91rm9200-ssc",
.data = &at91rm9200_config, .data = &at91rm9200_config,
}, {
.compatible = "atmel,at91sam9rl-ssc",
.data = &at91sam9rl_config,
}, { }, {
.compatible = "atmel,at91sam9g45-ssc", .compatible = "atmel,at91sam9g45-ssc",
.data = &at91sam9g45_config, .data = &at91sam9g45_config,

1
include/linux/atmel-ssc.h
View file

@ -7,6 +7,7 @@
struct atmel_ssc_platform_data { struct atmel_ssc_platform_data {
int use_dma; int use_dma;
int has_fslen_ext;
}; };
struct ssc_device { struct ssc_device {