From 8e8a5ac763d057fae50f2f7cc4fc830c5f815d26 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 1 Apr 2012 14:13:36 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/af9033.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/dvb/frontends/af9033.c b/drivers/media/dvb/frontends/af9033.c index 40ef4b1faeb..27725548160 100644 --- a/drivers/media/dvb/frontends/af9033.c +++ b/drivers/media/dvb/frontends/af9033.c @@ -667,6 +667,13 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, state->i2c = i2c; 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 */ ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4); if (ret < 0) -- 2.41.0