From: Andreas Regel <andreas.regel@gmx.de>
Date: Tue, 5 Jan 2010 22:23:41 +0000 (-0300)
Subject: V4L/DVB (13982): [STV090x] setup master clock in stv090x_init instead of stv090x_setup.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9045e729447192ab0ca27191ccab324c6b97fceb;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

V4L/DVB (13982): [STV090x] setup master clock in stv090x_init instead of stv090x_setup.

This is needed when clock input is driven from tuner and an output
divider different from 1 is used.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index 93be76ced896..4dc30911f408 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -4292,6 +4292,15 @@ static int stv090x_init(struct dvb_frontend *fe)
 	const struct stv090x_config *config = state->config;
 	u32 reg;
 
+	if (state->internal->mclk == 0) {
+		stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
+		msleep(5);
+		if (stv090x_write_reg(state, STV090x_SYNTCTRL,
+				      0x20 | config->clk_mode) < 0)
+			goto err;
+		stv090x_get_mclk(state);
+	}
+
 	if (stv090x_wakeup(fe) < 0) {
 		dprintk(FE_ERROR, 1, "Error waking device");
 		goto err;
@@ -4426,12 +4435,6 @@ static int stv090x_setup(struct dvb_frontend *fe)
 	if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
 		goto err;
 
-	stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
-	msleep(5);
-	if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0)
-		goto err;
-	stv090x_get_mclk(state);
-
 	return 0;
 err:
 	dprintk(FE_ERROR, 1, "I/O error");