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add module parameter for disabling voltage output in Max cards.

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This commit is contained in:
none 2021-03-09 20:21:09 +01:00
parent 7af71dfdcb
commit a2d39f90d5
1 changed files with 6 additions and 0 deletions
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6
ddbridge/ddbridge-max.c
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@ -40,6 +40,10 @@ static int old_quattro;
module_param(old_quattro, int, 0444); module_param(old_quattro, int, 0444);
MODULE_PARM_DESC(old_quattro, "old quattro LNB input order "); MODULE_PARM_DESC(old_quattro, "old quattro LNB input order ");
static int no_voltage;
module_param(no_voltage, int, 0444);
MODULE_PARM_DESC(no_voltage, "Do not enable voltage on LNBH (will also disable 22KHz tone).");
/* MAX LNB interface related functions */ /* MAX LNB interface related functions */
static int lnb_command(struct ddb *dev, u32 link, u32 lnb, u32 cmd) static int lnb_command(struct ddb *dev, u32 link, u32 lnb, u32 cmd)
@ -164,6 +168,8 @@ static int lnb_set_voltage(struct ddb *dev, u32 link, u32 input,
{ {
int s = 0; int s = 0;
if (no_voltage)
voltage = SEC_VOLTAGE_OFF;
if (dev->link[link].lnb.oldvoltage[input] == voltage) if (dev->link[link].lnb.oldvoltage[input] == voltage)
return 0; return 0;
switch (voltage) { switch (voltage) {