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authorMauro Carvalho Chehab <mchehab@redhat.com>2008-11-16 00:44:14 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-11-16 00:44:14 -0200
commit24f47584d5c7fed9035c336c8201dff77a701227 (patch)
treedc9483c99b9d2dc48e45e19a98c20549162fabbc /linux
parente4997e2899e1870f5ee53e72a72d49f09ef47a7e (diff)
downloadmediapointer-dvb-s2-24f47584d5c7fed9035c336c8201dff77a701227.tar.gz
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em28xx: Avoid i2c register error for boards without eeprom
From: Mauro Carvalho Chehab <mchehab@redhat.com> Priority: normal Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux')
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-i2c.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-i2c.c b/linux/drivers/media/video/em28xx/em28xx-i2c.c
index 51ecdcd34..ec3e3b157 100644
--- a/linux/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/linux/drivers/media/video/em28xx/em28xx-i2c.c
@@ -348,9 +348,9 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
/* Check if board has eeprom */
err = i2c_master_recv(&dev->i2c_client, &buf, 0);
if (err < 0) {
- em28xx_errdev("%s: i2c_master_recv failed! err [%d]\n",
- __func__, err);
- return err;
+ em28xx_errdev("board has no eeprom\n");
+ memset(eedata, 0, len);
+ return -ENODEV;
}
buf = 0;
@@ -620,14 +620,16 @@ int em28xx_i2c_register(struct em28xx *dev)
dev->i2c_client.adapter = &dev->i2c_adap;
retval = em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
- if (retval < 0) {
+ if ((retval < 0) && (retval != -ENODEV)) {
em28xx_errdev("%s: em28xx_i2_eeprom failed! retval [%d]\n",
__func__, retval);
+
return retval;
}
if (i2c_scan)
em28xx_do_i2c_scan(dev);
+
return 0;
}