V4L/DVB (7654): tda10086: make the xtal frequency a configuration option

Some DVB-S boards, i.e. with the SD1878 tuner, use a 4 MHz reference frequency.
This reqires a different setup of the clock PLL.
This patch adds an enum to the tda10086_config struct and sets the proper
values for the boards.

This patch also fixes the DVB-S section of the MD7134_BRIDGE_2

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/tda10086.h b/drivers/media/dvb/frontends/tda10086.h
index 197c237e515f..f25d5ea381e5 100644
--- a/drivers/media/dvb/frontends/tda10086.h
+++ b/drivers/media/dvb/frontends/tda10086.h
@@ -26,6 +26,11 @@
 #include <linux/dvb/frontend.h>
 #include <linux/firmware.h>
 
+enum tda10086_xtal {
+        TDA10086_XTAL_16M,
+        TDA10086_XTAL_4M
+};
+
 struct tda10086_config
 {
         /* the demodulator's i2c address */
@@ -36,6 +41,9 @@ struct tda10086_config
 
         /* do we need the diseqc signal with carrier? */
         u8 diseqc_tone;
+
+        /* frequency of the reference xtal */
+        enum tda10086_xtal xtal_freq;
 };
 
 #if defined(CONFIG_DVB_TDA10086) || (defined(CONFIG_DVB_TDA10086_MODULE) && defined(MODULE))