Bladeren bron

V4L/DVB (6916): ivtv: udelay has to be changed *after* the eeprom was read, not before

The eeprom decides which Hauppauge model it is, so the decision whether to
use an udelay of 5 or 10 needs to be taken after reading the eeprom, not
before.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Hans Verkuil 17 jaren geleden
bovenliggende
commit
89dab3573a
2 gewijzigde bestanden met toevoegingen van 5 en 4 verwijderingen
  1. 4 0
      drivers/media/video/ivtv/ivtv-driver.c
  2. 1 4
      drivers/media/video/ivtv/ivtv-i2c.c

+ 4 - 0
drivers/media/video/ivtv/ivtv-driver.c

@@ -1076,6 +1076,10 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 		ivtv_process_eeprom(itv);
 	}
 
+	/* The mspx4xx chips need a longer delay for some reason */
+	if (!(itv->hw_flags & IVTV_HW_MSP34XX))
+		itv->i2c_algo.udelay = 5;
+
 	if (itv->std == 0) {
 		itv->std = V4L2_STD_NTSC_M;
 	}

+ 1 - 4
drivers/media/video/ivtv/ivtv-i2c.c

@@ -541,7 +541,7 @@ static const struct i2c_algo_bit_data ivtv_i2c_algo_template = {
 	.setscl		= ivtv_setscl_old,
 	.getsda		= ivtv_getsda_old,
 	.getscl		= ivtv_getscl_old,
-	.udelay		= 5,
+	.udelay		= 10,
 	.timeout	= 200,
 };
 
@@ -718,9 +718,6 @@ int init_ivtv_i2c(struct ivtv *itv)
 		       sizeof(struct i2c_adapter));
 		memcpy(&itv->i2c_algo, &ivtv_i2c_algo_template,
 		       sizeof(struct i2c_algo_bit_data));
-		/* The mspx4xx chips need a longer delay for some reason */
-		if (itv->hw_flags & IVTV_HW_MSP34XX)
-			itv->i2c_algo.udelay = 10;
 		itv->i2c_algo.data = itv;
 		itv->i2c_adap.algo_data = &itv->i2c_algo;
 	}