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[media] af9035: add log writing if unsupported Xtal freq is given 

Supports currently only 12 MHz Xtals. It is better to print log
and not to attach frontend in that case.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-04-01 14:13:36 -03:00 committed by Mauro Carvalho Chehab
parent e898ef6272
commit 8e8a5ac763
1 changed files with 7 additions and 0 deletions
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7
drivers/media/dvb/frontends/af9033.c
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@ -667,6 +667,13 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config,
state->i2c = i2c; state->i2c = i2c;
memcpy(&state->cfg, config, sizeof(struct af9033_config)); memcpy(&state->cfg, config, sizeof(struct af9033_config));
if (state->cfg.clock != 12000000) {
printk(KERN_INFO "af9033: unsupported clock=%d, only " \
"12000000 Hz is supported currently\n",
state->cfg.clock);
goto err;
}
/* firmware version */ /* firmware version */
ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4); ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4);
if (ret < 0) if (ret < 0)