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Commit d1190024 authored by Olivier Grenie's avatar Olivier Grenie Committed by Mauro Carvalho Chehab
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[media] dib9090: limit the I2C speed 



The intend of this patch is to limit the maximum I2C speed.

Signed-off-by: default avatarOlivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: default avatarPatrick Boettcher <patrick.boettcher@dibcom.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 88f3a358

drivers/media/dvb/dvb-usb/dib0700_devices.c

+4 −3
Original line number Diff line number Diff line
@@ -2138,7 +2138,7 @@ static int dib9090_tuner_attach(struct dvb_usb_adapter *adap) 
	i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_1_2, 0);

	if (dib01x0_pmu_update(i2c, data_dib190, 10) != 0)

		return -ENODEV;

	dib0700_set_i2c_speed(adap->dev, 2000);

	dib0700_set_i2c_speed(adap->dev, 1500);

	if (dib9000_firmware_post_pll_init(adap->fe_adap[0].fe) < 0)

		return -ENODEV;

	release_firmware(state->frontend_firmware);
@@ -2217,7 +2217,8 @@ static int nim9090md_tuner_attach(struct dvb_usb_adapter *adap) 
	i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_1_2, 0);

	if (dib01x0_pmu_update(i2c, data_dib190, 10) < 0)

		return -ENODEV;

	dib0700_set_i2c_speed(adap->dev, 2000);



	dib0700_set_i2c_speed(adap->dev, 1500);

	if (dib9000_firmware_post_pll_init(adap->fe_adap[0].fe) < 0)

		return -ENODEV;
@@ -2230,7 +2231,7 @@ static int nim9090md_tuner_attach(struct dvb_usb_adapter *adap) 
		if (dvb_attach(dib0090_fw_register, fe_slave, i2c, &nim9090md_dib0090_config[1]) == NULL)

			return -ENODEV;

		fe_slave->dvb = adap->fe_adap[0].fe->dvb;

		dib9000_fw_set_component_bus_speed(adap->fe_adap[0].fe, 2000);

		dib9000_fw_set_component_bus_speed(adap->fe_adap[0].fe, 1500);

		if (dib9000_firmware_post_pll_init(fe_slave) < 0)

			return -ENODEV;

	}