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author | Matthias Schwarzott <zzam@gentoo.org> | 2014-08-31 08:35:07 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-23 16:13:33 -0300 |
commit | 119bd82e0e87903ef45fffe9c17b1fb6a99cc628 (patch) | |
tree | 04325cd9bb8a71819c07391acb129c3db071dee2 /drivers/media/dvb-frontends/si2165.c | |
parent | 55bea40070f33a6b52c605a74b4920bad645d0ea (diff) | |
download | linux-stable-119bd82e0e87903ef45fffe9c17b1fb6a99cc628.tar.gz linux-stable-119bd82e0e87903ef45fffe9c17b1fb6a99cc628.tar.bz2 linux-stable-119bd82e0e87903ef45fffe9c17b1fb6a99cc628.zip |
[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>
Diffstat (limited to 'drivers/media/dvb-frontends/si2165.c')
-rw-r--r-- | drivers/media/dvb-frontends/si2165.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index 7de0612be9fa..98ddb49ad52b 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; |