From: Chris Lee <updatelee@gmail.com>
To: linux-media@vger.kernel.org
Cc: Chris Lee <updatelee@gmail.com>
Subject: [PATCH] gp8psk: Implement gp8psk_fe_read_ber
Date: Tue, 23 Jul 2013 09:24:02 -0600 [thread overview]
Message-ID: <1374593042-13574-1-git-send-email-updatelee@gmail.com> (raw)
Signed-off-by: Chris Lee <updatelee@gmail.com>
---
drivers/media/usb/dvb-usb/gp8psk-fe.c | 13 ++++++++++---
drivers/media/usb/dvb-usb/gp8psk.h | 1 +
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/gp8psk-fe.c b/drivers/media/usb/dvb-usb/gp8psk-fe.c
index 5864f37..223a3ca 100644
--- a/drivers/media/usb/dvb-usb/gp8psk-fe.c
+++ b/drivers/media/usb/dvb-usb/gp8psk-fe.c
@@ -68,11 +68,18 @@ static int gp8psk_fe_read_status(struct dvb_frontend* fe, fe_status_t *status)
return 0;
}
-/* not supported by this Frontend */
static int gp8psk_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
{
- (void) fe;
- *ber = 0;
+ struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ u8 buf[4];
+
+ if (gp8psk_usb_in_op(st->d, GET_BER_RATE, 0, 0, buf, 4)) {
+ return -EINVAL;
+ }
+
+ *ber = (buf[3] << 24) + (buf[2] << 16) + (buf[1] << 8) + buf[0];
+
return 0;
}
diff --git a/drivers/media/usb/dvb-usb/gp8psk.h b/drivers/media/usb/dvb-usb/gp8psk.h
index ed32b9d..ff6bb3c 100644
--- a/drivers/media/usb/dvb-usb/gp8psk.h
+++ b/drivers/media/usb/dvb-usb/gp8psk.h
@@ -52,6 +52,7 @@ extern int dvb_usb_gp8psk_debug;
#define GET_SERIAL_NUMBER 0x93 /* in */
#define USE_EXTRA_VOLT 0x94
#define GET_FPGA_VERS 0x95
+#define GET_BER_RATE 0x9B
#define CW3K_INIT 0x9d
/* PSK_configuration bits */
--
1.8.1.2
reply other threads:[~2013-07-23 15:24 UTC|newest]
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