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path: root/drivers/media/video/ivtv/ivtv-driver.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-driver.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-driver.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index 7cdbc1a..347c334 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -91,10 +91,15 @@ static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1 };
+static int i2c_clock_period[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1 };
static unsigned int cardtype_c = 1;
static unsigned int tuner_c = 1;
static unsigned int radio_c = 1;
+static unsigned int i2c_clock_period_c = 1;
static char pal[] = "---";
static char secam[] = "--";
static char ntsc[] = "-";
@@ -151,6 +156,7 @@ module_param(dec_vbi_buffers, int, 0644);
module_param(tunertype, int, 0644);
module_param(newi2c, int, 0644);
+module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
"\t\t\tsee tuner.h for values");
@@ -245,6 +251,10 @@ MODULE_PARM_DESC(newi2c,
"Use new I2C implementation\n"
"\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
"\t\t\tDefault is autodetect");
+MODULE_PARM_DESC(i2c_clock_period,
+ "Period of SCL for the I2C bus controlled by the CX23415/6\n"
+ "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
@@ -600,6 +610,15 @@ static void ivtv_process_options(struct ivtv *itv)
itv->options.cardtype = cardtype[itv->instance];
itv->options.tuner = tuner[itv->instance];
itv->options.radio = radio[itv->instance];
+
+ itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
+ if (itv->options.i2c_clock_period == -1)
+ itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
+ else if (itv->options.i2c_clock_period < 10)
+ itv->options.i2c_clock_period = 10;
+ else if (itv->options.i2c_clock_period > 4500)
+ itv->options.i2c_clock_period = 4500;
+
itv->options.newi2c = newi2c;
if (tunertype < -1 || tunertype > 1) {
IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
@@ -865,6 +884,10 @@ static void ivtv_load_and_init_modules(struct ivtv *itv)
itv->hw_flags |= device;
}
+ /* probe for legacy IR controllers that aren't in card definitions */
+ if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
+ ivtv_i2c_new_ir_legacy(itv);
+
if (itv->card->hw_all & IVTV_HW_CX25840)
itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
else if (itv->card->hw_all & IVTV_HW_SAA717X)
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