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Diffstat (limited to 'linux/drivers/media/video/tuner-core.c')
-rw-r--r--linux/drivers/media/video/tuner-core.c72
1 files changed, 39 insertions, 33 deletions
diff --git a/linux/drivers/media/video/tuner-core.c b/linux/drivers/media/video/tuner-core.c
index cc24d246c..314229b0f 100644
--- a/linux/drivers/media/video/tuner-core.c
+++ b/linux/drivers/media/video/tuner-core.c
@@ -1,5 +1,5 @@
/*
- * $Id: tuner-core.c,v 1.66 2005/08/07 09:24:08 mkrufky Exp $
+ * $Id: tuner-core.c,v 1.67 2005/08/17 19:42:11 nsh Exp $
*
* i2c tv tuner chip device driver
* core core, i.e. kernel interfaces, registering and so on
@@ -226,31 +226,31 @@ static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
{
struct tuner *t = i2c_get_clientdata(c);
- if (tun_setup->addr == ADDR_UNSET) {
- if (t->mode_mask & tun_setup->mode_mask)
+ if ((tun_setup->addr == ADDR_UNSET &&
+ (t->mode_mask & tun_setup->mode_mask)) ||
+ tun_setup->addr == c->addr) {
set_type(c, tun_setup->type, tun_setup->mode_mask);
- } else if (tun_setup->addr == c->addr) {
- set_type(c, tun_setup->type, tun_setup->mode_mask);
}
}
static inline int check_mode(struct tuner *t, char *cmd)
{
- if (1 << t->mode & t->mode_mask) {
- switch (t->mode) {
- case V4L2_TUNER_RADIO:
- tuner_dbg("Cmd %s accepted for radio\n", cmd);
- break;
- case V4L2_TUNER_ANALOG_TV:
- tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
- break;
- case V4L2_TUNER_DIGITAL_TV:
- tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
- break;
- }
- return 0;
+ if ((1 << t->mode & t->mode_mask) == 0) {
+ return EINVAL;
+ }
+
+ switch (t->mode) {
+ case V4L2_TUNER_RADIO:
+ tuner_dbg("Cmd %s accepted for radio\n", cmd);
+ break;
+ case V4L2_TUNER_ANALOG_TV:
+ tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
+ break;
+ case V4L2_TUNER_DIGITAL_TV:
+ tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
+ break;
}
- return EINVAL;
+ return 0;
}
static char pal[] = "-";
@@ -424,20 +424,18 @@ static int tuner_detach(struct i2c_client *client)
static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
{
- if (mode != t->mode) {
-
- t->mode = mode;
- if (check_mode(t, cmd) == EINVAL) {
- t->mode = T_STANDBY;
- if (V4L2_TUNER_RADIO == mode) {
- set_tv_freq(client, 400 * 16);
- } else {
- set_radio_freq(client, 87.5 * 16000);
- }
- return EINVAL;
- }
- }
- return 0;
+ if (mode == t->mode)
+ return 0;
+
+ t->mode = mode;
+
+ if (check_mode(t, cmd) == EINVAL) {
+ t->mode = T_STANDBY;
+ if (t->standby)
+ t->standby (client);
+ return EINVAL;
+ }
+ return 0;
}
#define switch_v4l2() if (!t->using_v4l2) \
@@ -471,6 +469,14 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
case AUDC_SET_RADIO:
set_mode(client,t,V4L2_TUNER_RADIO, "AUDC_SET_RADIO");
break;
+ case TUNER_SET_STANDBY:
+ {
+ if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
+ return 0;
+ if (t->standby)
+ t->standby (client);
+ break;
+ }
case AUDC_CONFIG_PINNACLE:
if (check_mode(t, "AUDC_CONFIG_PINNACLE") == EINVAL)
return 0;