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authorMatthias Schwarzott <zzam@gentoo.org>2014-08-31 11:35:07 (GMT)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-09-23 19:13:33 (GMT)
commit119bd82e0e87903ef45fffe9c17b1fb6a99cc628 (patch)
tree04325cd9bb8a71819c07391acb129c3db071dee2
parent55bea40070f33a6b52c605a74b4920bad645d0ea (diff)
[media] si2165: enable Si2161 support
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>
-rw-r--r--drivers/media/dvb-frontends/si2165.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
index 7de0612..98ddb49 100644
--- a/drivers/media/dvb-frontends/si2165.c
+++ b/drivers/media/dvb-frontends/si2165.c
@@ -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;

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