On Mon, Sep 10, 2007 at 12:12:01PM -0500, David Engel wrote:
> > Unfortunately, this does not allow for REVERSING the input selection -- this will only force it to use one or the other in digital mode. If anybody has some ideas as to how to reverse the default selection in a clean way, I am open to suggestions.
>
> The attached patch, is completely untested (I didn't even try
> compiling it), but it should be close.
Take two, with the patch.
David
--
David Engel
david@xxxxxxxxxx
diff -r b7fa7c4598ac linux/drivers/media/dvb/frontends/dvb-pll.c
--- a/linux/drivers/media/dvb/frontends/dvb-pll.c Sun Sep 09 12:00:45 2007 -0400
+++ b/linux/drivers/media/dvb/frontends/dvb-pll.c Mon Sep 10 11:58:50 2007 -0500
@@ -49,9 +49,9 @@ module_param(debug, int, 0644);
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
-static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
+static int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
module_param_array(input, int, NULL, 0644);
-MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");
+MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default), -1 for autoselect reversed");
static unsigned int id[DVB_PLL_MAX] =
{ [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
@@ -399,9 +399,10 @@ static void tuv1236d_rf(struct dvb_front
const struct dvb_frontend_parameters *params)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
- unsigned int new_rf = input[priv->nr];
-
- if ((new_rf == 0) || (new_rf > 2)) {
+ int new_rf = input[priv->nr];
+
+ if ((new_rf <= 0) || (new_rf > 2)) {
+ int reverse = (new_rf == -1);
switch (params->u.vsb.modulation) {
case QAM_64:
case QAM_256:
@@ -411,6 +412,8 @@ static void tuv1236d_rf(struct dvb_front
default:
new_rf = 2;
}
+ if (reverse)
+ new_rf = 3 - new_rf;
}
switch (new_rf) {
@@ -856,6 +859,9 @@ struct dvb_frontend *dvb_pll_attach(stru
printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
printk(": tuner rf input will be ");
switch (input[priv->nr]) {
+ case -1:
+ printk("autoselected reversed\n");
+ break;
case 0:
printk("autoselected\n");
break;
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