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[media] xc4000: detect also xc4100

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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>
This commit is contained in:
Istvan Varga 2011-06-04 12:25:19 -03:00 committed by Mauro Carvalho Chehab
parent 8f76afe8d7
commit 7db98fe66b
1 changed files with 7 additions and 3 deletions
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10
drivers/media/common/tuners/xc4000.c
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@ -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);