V4L/DVB (3709): Improve line-in handling
- improve handling of the EXTERN input: don't start an unnecessary carrier scan
- improve the LOG_STATUS output
- ensure that a carrier scan is started again when switching back to the tuner.
- set correct prescale for L-NICAM
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index b806999..5e55f71 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -674,22 +674,31 @@
int sc1_out = rt->output & 0xf;
int sc2_out = (rt->output >> 4) & 0xf;
u16 val, reg;
+ int i;
+ int extern_input = 1;
if (state->routing.input == rt->input &&
state->routing.output == rt->output)
break;
state->routing = *rt;
+ /* check if the tuner input is used */
+ for (i = 0; i < 5; i++) {
+ if (((rt->input >> (4 + i * 4)) & 0xf) == 0)
+ extern_input = 0;
+ }
+ if (extern_input)
+ state->mode = MSP_MODE_EXTERN;
+ else
+ state->mode = MSP_MODE_AM_DETECT;
msp_set_scart(client, sc_in, 0);
msp_set_scart(client, sc1_out, 1);
msp_set_scart(client, sc2_out, 2);
msp_set_audmode(client);
reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb;
val = msp_read_dem(client, reg);
- if (tuner != ((val >> 8) & 1)) {
- msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8));
- /* wake thread when a new tuner input is chosen */
- msp_wake_thread(client);
- }
+ msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8));
+ /* wake thread when a new input is chosen */
+ msp_wake_thread(client);
break;
}
@@ -794,7 +803,9 @@
case MSP_MODE_EXTERN: p = "External input"; break;
default: p = "unknown"; break;
}
- if (state->opmode == OPMODE_MANUAL) {
+ if (state->mode == MSP_MODE_EXTERN) {
+ v4l_info(client, "Mode: %s\n", p);
+ } else if (state->opmode == OPMODE_MANUAL) {
v4l_info(client, "Mode: %s (%s%s)\n", p,
(state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
(state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");