V4L/DVB: Add SPI support to V4L2
Add support SPI bus to v4l2. Useful for control some device with SPI bus like
hardware MPEG2 encoders and etc.
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c
index 0d06e7c..5a7dc4a 100644
--- a/drivers/media/video/v4l2-device.c
+++ b/drivers/media/video/v4l2-device.c
@@ -21,6 +21,9 @@
#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/i2c.h>
+#if defined(CONFIG_SPI)
+#include <linux/spi/spi.h>
+#endif
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
@@ -97,6 +100,14 @@
i2c_unregister_device(client);
}
#endif
+#if defined(CONFIG_SPI)
+ if (sd->flags & V4L2_SUBDEV_FL_IS_SPI) {
+ struct spi_device *spi = v4l2_get_subdevdata(sd);
+
+ if (spi)
+ spi_unregister_device(spi);
+ }
+#endif
}
}
EXPORT_SYMBOL_GPL(v4l2_device_unregister);