From f790bdd00da937845b38467abfebdea09acfea0e Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Mon, 10 Jan 2011 06:36:10 -0300 Subject: [media] stv090x: Optional external lock routine Card driver may supply its own lock routine now. Signed-off-by: Oliver Endriss Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv090x.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'drivers/media/dvb/frontends/stv090x.c') diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index e26bfd7..eccad06 100644 --- a/drivers/media/dvb/frontends/stv090x.c +++ b/drivers/media/dvb/frontends/stv090x.c @@ -767,8 +767,12 @@ static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) * In case of any error, the lock is unlocked and exit within the * relevant operations themselves. */ - if (enable) - mutex_lock(&state->internal->tuner_lock); + if (enable) { + if (state->config->tuner_i2c_lock) + state->config->tuner_i2c_lock(&state->frontend, 1); + else + mutex_lock(&state->internal->tuner_lock); + } reg = STV090x_READ_DEMOD(state, I2CRPT); if (enable) { @@ -784,13 +788,20 @@ static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) goto err; } - if (!enable) - mutex_unlock(&state->internal->tuner_lock); + if (!enable) { + if (state->config->tuner_i2c_lock) + state->config->tuner_i2c_lock(&state->frontend, 0); + else + mutex_unlock(&state->internal->tuner_lock); + } return 0; err: dprintk(FE_ERROR, 1, "I/O error"); - mutex_unlock(&state->internal->tuner_lock); + if (state->config->tuner_i2c_lock) + state->config->tuner_i2c_lock(&state->frontend, 0); + else + mutex_unlock(&state->internal->tuner_lock); return -1; } -- cgit v1.1