[PATCH v2 1/4] ASoC: atmel-ssc: distinguish whether SSC supports fslen ext

[Bo Shen <voice.shen@atmel.com>]

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

Signed-off-by: Bo Shen <voice.shen@atmel.com>
---
Changes in v2:
  - Using compatible string to distinguish whether SSC supports
    frame sync length extension to replace check IP version.

 drivers/misc/atmel-ssc.c  | 13 +++++++++++++
 include/linux/atmel-ssc.h |  1 +
 2 files changed, 14 insertions(+)

diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 22de137..60843a2 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -83,10 +83,17 @@ EXPORT_SYMBOL(ssc_free);
 
 static struct atmel_ssc_platform_data at91rm9200_config = {
 	.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 = {
 	.use_dma = 1,
+	.has_fslen_ext = 1,
 };
 
 static const struct platform_device_id atmel_ssc_devtypes[] = {
@@ -94,6 +101,9 @@ static const struct platform_device_id atmel_ssc_devtypes[] = {
 		.name = "at91rm9200_ssc",
 		.driver_data = (unsigned long) &at91rm9200_config,
 	}, {
+		.name = "at91sam9rl_ssc",
+		.driver_data = (unsigned long) &at91sam9rl_config,
+	}, {
 		.name = "at91sam9g45_ssc",
 		.driver_data = (unsigned long) &at91sam9g45_config,
 	}, {
@@ -107,6 +117,9 @@ static const struct of_device_id atmel_ssc_dt_ids[] = {
 		.compatible = "atmel,at91rm9200-ssc",
 		.data = &at91rm9200_config,
 	}, {
+		.compatible = "atmel,at91sam9rl-ssc",
+		.data = &at91sam9rl_config,
+	}, {
 		.compatible = "atmel,at91sam9g45-ssc",
 		.data = &at91sam9g45_config,
 	}, {
diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
index 571a12e..e8dd408 100644
--- a/include/linux/atmel-ssc.h
+++ b/include/linux/atmel-ssc.h
@@ -7,6 +7,7 @@
 
 struct atmel_ssc_platform_data {
 	int			use_dma;
+	int			has_fslen_ext;
 };
 
 struct ssc_device {
-- 
1.8.5.2