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[media] si2165: enable Si2161 support

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Additionally print chip name with revision symbolically.
This is a preparation for supporting new Hauppauge WinTV-HVR-900-H based
on cx231xx.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Matthias Schwarzott 2014-08-31 08:35:07 -03:00 committed by Mauro Carvalho Chehab
parent 55bea40070
commit 119bd82e0e
1 changed files with 27 additions and 12 deletions
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39
drivers/media/dvb-frontends/si2165.c
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@ -1,5 +1,5 @@
/*
Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
Driver for Silicon Labs Si2161 DVB-T and Si2165 DVB-C/-T Demodulator
Copyright (C) 2013-2014 Matthias Schwarzott <zzam@gentoo.org>
@ -916,7 +916,7 @@ static void si2165_release(struct dvb_frontend *fe)
static struct dvb_frontend_ops si2165_ops = {
.info = {
.name = "Silicon Labs Si2165",
.name = "Silicon Labs ",
.caps = FE_CAN_FEC_1_2 |
FE_CAN_FEC_2_3 |
FE_CAN_FEC_3_4 |
@ -956,6 +956,8 @@ struct dvb_frontend *si2165_attach(const struct si2165_config *config,
int n;
int io_ret;
u8 val;
char rev_char;
const char *chip_name;
if (config == NULL || i2c == NULL)
goto error;
@ -1005,22 +1007,35 @@ struct dvb_frontend *si2165_attach(const struct si2165_config *config,
if (io_ret < 0)
goto error;
dev_info(&state->i2c->dev, "%s: hardware revision 0x%02x, chip type 0x%02x\n",
KBUILD_MODNAME, state->chip_revcode, state->chip_type);
if (state->chip_revcode < 26)
rev_char = 'A' + state->chip_revcode;
else
rev_char = '?';
/* It is a guess that register 0x0118 (chip type?) can be used to
* differ between si2161, si2163 and si2165
* Only si2165 has been tested.
*/
if (state->chip_type == 0x07) {
switch (state->chip_type) {
case 0x06:
chip_name = "Si2161";
state->has_dvbt = true;
break;
case 0x07:
chip_name = "Si2165";
state->has_dvbt = true;
state->has_dvbc = true;
} else {
dev_err(&state->i2c->dev, "%s: Unsupported chip.\n",
KBUILD_MODNAME);
break;
default:
dev_err(&state->i2c->dev, "%s: Unsupported Silicon Labs chip (type %d, rev %d)\n",
KBUILD_MODNAME, state->chip_type, state->chip_revcode);
goto error;
}
dev_info(&state->i2c->dev,
"%s: Detected Silicon Labs %s-%c (type %d, rev %d)\n",
KBUILD_MODNAME, chip_name, rev_char, state->chip_type,
state->chip_revcode);
strlcat(state->frontend.ops.info.name, chip_name,
sizeof(state->frontend.ops.info.name));
n = 0;
if (state->has_dvbt) {
state->frontend.ops.delsys[n++] = SYS_DVBT;