V4L/DVB (3269): Allow multiple tuner params in each tuner definition
authorMichael Krufky <mkrufky@linuxtv.org>
Tue, 7 Feb 2006 08:25:34 +0000 (06:25 -0200)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Tue, 7 Feb 2006 08:25:34 +0000 (06:25 -0200)
- allow multiple tuner params in each tuner definition.
- the correct tuner_params element will be chosen based on
  current video standard.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/tuner-simple.c

index 907ea8c5d9b3f24f379ccc1790489e07ef836c15..58fa0d29962b77c37dfc8fd8c2ecf85bf599215f 100644 (file)
@@ -79,14 +79,13 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
 #define TUNER_PLL_LOCKED   0x40
 #define TUNER_STEREO_MK3   0x04
 
-#define TUNER_PARAM_ANALOG 0  /* to be removed */
 /* FIXME:
  * Right now, all tuners are using the first tuner_params[] array element
  * for analog mode. In the future, we will be merging similar tuner
  * definitions together, such that each tuner definition will have a
  * tuner_params struct for each available video standard. At that point,
- * TUNER_PARAM_ANALOG will be removed, and the tuner_params[] array
- * element will be chosen based on the video standard in use.
+ * the tuner_params[] array element will be chosen based on the video
+ * standard in use.
  *
  */
 
@@ -138,9 +137,9 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
        struct tunertype *tun;
        u8 buffer[4];
        int rc, IFPCoff, i, j;
+       enum param_type desired_type;
 
        tun = &tuners[t->type];
-       j = TUNER_PARAM_ANALOG;
 
        /* IFPCoff = Video Intermediate Frequency - Vif:
                940  =16*58.75  NTSC/J (Japan)
@@ -155,16 +154,25 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
        */
 
        if (t->std == V4L2_STD_NTSC_M_JP) {
-               IFPCoff = 940;
+               IFPCoff      = 940;
+               desired_type = TUNER_PARAM_TYPE_NTSC;
        } else if ((t->std & V4L2_STD_MN) &&
                  !(t->std & ~V4L2_STD_MN)) {
-               IFPCoff = 732;
+               IFPCoff      = 732;
+               desired_type = TUNER_PARAM_TYPE_NTSC;
        } else if (t->std == V4L2_STD_SECAM_LC) {
-               IFPCoff = 543;
+               IFPCoff      = 543;
+               desired_type = TUNER_PARAM_TYPE_SECAM;
        } else {
-               IFPCoff = 623;
+               IFPCoff      = 623;
+               desired_type = TUNER_PARAM_TYPE_PAL;
        }
 
+       for (j = 0; j < tun->count-1; j++) {
+               if (desired_type != tun->params[j].type)
+                       continue;
+               break;
+       }
        for (i = 0; i < tun->params[j].count; i++) {
                if (freq > tun->params[j].ranges[i].limit)
                        continue;
@@ -333,9 +341,15 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
        u8 buffer[4];
        u16 div;
        int rc, j;
+       enum param_type desired_type = TUNER_PARAM_TYPE_RADIO;
 
        tun = &tuners[t->type];
-       j = TUNER_PARAM_ANALOG;
+
+       for (j = 0; j < tun->count-1; j++) {
+               if (desired_type != tun->params[j].type)
+                       continue;
+               break;
+       }
 
        div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
        buffer[2] = (tun->params[j].ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */