Hi Vinod,
On 07/11/2016 22:02, Vinod Koul wrote:
On Fri, Nov 04, 2016 at 09:04:11AM +0100, Sebastien Guiriec wrote:
This patch is adding a sysfs entry in order to be able to get
access to SST FW version.
Signed-off-by: Sebastien Guiriec <sebastien.guiriec@xxxxxxxxx>
---
sound/soc/intel/atom/sst/sst.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/sound/soc/intel/atom/sst/sst.c b/sound/soc/intel/atom/sst/sst.c
index a4b458e..dabbd06 100644
--- a/sound/soc/intel/atom/sst/sst.c
+++ b/sound/soc/intel/atom/sst/sst.c
@@ -27,6 +27,7 @@
#include <linux/pm_qos.h>
#include <linux/async.h>
#include <linux/acpi.h>
+#include <linux/sysfs.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <asm/platform_sst_audio.h>
@@ -241,6 +242,28 @@ int sst_alloc_drv_context(struct intel_sst_drv **ctx,
}
EXPORT_SYMBOL_GPL(sst_alloc_drv_context);
+static ssize_t firmware_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct intel_sst_drv *ctx = dev_get_drvdata(dev);
+
+ return sprintf(buf, "v%02x.%02x.%02x.%02x\n",
+ ctx->fw_version.type, ctx->fw_version.major,
+ ctx->fw_version.minor, ctx->fw_version.build);
we should do this only after FW load, can you add that bit please. ALso
check we dont leak kernel memory when this is not set
Ok in case of v00.00.00.00 I will return "FW not yet Loaded".
Is it ok for you?
Seb
---------------------------------------------------------------------
Intel Corporation SAS (French simplified joint stock company)
Registered headquarters: "Les Montalets"- 2, rue de Paris,
92196 Meudon Cedex, France
Registration Number: 302 456 199 R.C.S. NANTERRE
Capital: 4,572,000 Euros
This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
