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| author | Oliver Endriss <o.endriss@gmx.de> | 2011-01-10 06:36:10 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-21 20:31:44 -0300 |
| commit | f790bdd00da937845b38467abfebdea09acfea0e (patch) | |
| tree | fa5bc8b416b22145046676a071922b3414fda5de /drivers/media/dvb/frontends/stv090x.c | |
| parent | 5bd0dc2d8a0db2f2e119ea50d07bf49e5e038f12 (diff) | |
| download | kernel_samsung_smdk4412-f790bdd00da937845b38467abfebdea09acfea0e.zip kernel_samsung_smdk4412-f790bdd00da937845b38467abfebdea09acfea0e.tar.gz kernel_samsung_smdk4412-f790bdd00da937845b38467abfebdea09acfea0e.tar.bz2 | |
[media] stv090x: Optional external lock routine
Card driver may supply its own lock routine now.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/stv090x.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 21 |
1 files changed, 16 insertions, 5 deletions
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; } |