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authorIstvan Varga <istvan_v@mailbox.hu>2011-06-04 19:25:19 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-28 00:52:39 +0400
commit7db98fe66be035494912b6b2c4e9c1e3abfedfe5 (patch)
tree11afb298f70be3722e3bbab6093da005f7c5bed5 /drivers/media/common/tuners/xc4000.c
parent8f76afe8d737b9ecadc0097941c9ef1ece61af9e (diff)
downloadlinux-7db98fe66be035494912b6b2c4e9c1e3abfedfe5.tar.xz
[media] xc4000: detect also xc4100
Added code to detect the XC4100 chip, which is presumably an analog-only "value" version of the XC4000. It is not sure, however, if any devices using this have actually been produced and sold, so the patch may be unneeded. Signed-off-by: Istvan Varga <istvan_v@mailbox.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common/tuners/xc4000.c')
-rw-r--r--drivers/media/common/tuners/xc4000.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c
index b04c73bab83c..160ca26286cc 100644
--- a/drivers/media/common/tuners/xc4000.c
+++ b/drivers/media/common/tuners/xc4000.c
@@ -140,7 +140,8 @@ struct xc4000_priv {
/* Product id */
#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
-#define XC_PRODUCT_ID_FW_LOADED 0x0FA0
+#define XC_PRODUCT_ID_XC4000 0x0FA0
+#define XC_PRODUCT_ID_XC4100 0x1004
/* Registers (Write-only) */
#define XREG_INIT 0x00
@@ -1071,7 +1072,9 @@ check_device:
#endif
/* Check that the tuner hardware model remains consistent over time. */
- if (priv->hwmodel == 0 && hwmodel == 4000) {
+ if (priv->hwmodel == 0 &&
+ (hwmodel == XC_PRODUCT_ID_XC4000 ||
+ hwmodel == XC_PRODUCT_ID_XC4100)) {
priv->hwmodel = hwmodel;
priv->hwvers = version & 0xff00;
} else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
@@ -1678,7 +1681,8 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
}
switch (id) {
- case XC_PRODUCT_ID_FW_LOADED:
+ case XC_PRODUCT_ID_XC4000:
+ case XC_PRODUCT_ID_XC4100:
printk(KERN_INFO
"xc4000: Successfully identified at address 0x%02x\n",
cfg->i2c_address);