81  * Raise scl line, and do checking for delays. This is necessary for slower
90 	/* Not all adapters have scl sense line... */  in sclhi()
113 		pr_debug("i2c-algo-bit: needed %ld jiffies for SCL to go high\n",  in sclhi()
126 	/* assert: scl, sda are high */  in i2c_start()
134 	/* assert: scl is low */  in i2c_repstart()
145 	/* assert: scl is low */  in i2c_stop()
159  * -ETIMEDOUT if an error occurred (while raising the scl line)
168 	/* assert: scl is low */  in i2c_outb()
203 	/* assert: scl is low (sda undef) */  in i2c_outb()
215 	/* assert: scl is low */  in i2c_inb()
230 	/* assert: scl is low */  in i2c_inb()
242 	int scl, sda, ret;  in test_bus()  local
251 		pr_info("%s: Testing SDA only, SCL is not readable\n", name);  in test_bus()
254 	scl = (adap->getscl == NULL) ? 1 : getscl(adap);  in test_bus()
255 	if (!scl || !sda) {  in test_bus()
257 		       "%s: bus seems to be busy (scl=%d, sda=%d)\n",  in test_bus()
258 		       name, scl, sda);  in test_bus()
264 	scl = (adap->getscl == NULL) ? 1 : getscl(adap);  in test_bus()
269 	if (!scl) {  in test_bus()
271 		       "%s: SCL unexpected low while pulling SDA low!\n",  in test_bus()
278 	scl = (adap->getscl == NULL) ? 1 : getscl(adap);  in test_bus()
283 	if (!scl) {  in test_bus()
285 		       "%s: SCL unexpected low while pulling SDA high!\n",  in test_bus()
292 	scl = (adap->getscl == NULL) ? 0 : getscl(adap);  in test_bus()
293 	if (scl) {  in test_bus()
294 		printk(KERN_WARNING "%s: SCL stuck high!\n", name);  in test_bus()
299 		       "%s: SDA unexpected low while pulling SCL low!\n",  in test_bus()
306 	scl = (adap->getscl == NULL) ? 1 : getscl(adap);  in test_bus()
307 	if (!scl) {  in test_bus()
308 		printk(KERN_WARNING "%s: SCL stuck low!\n", name);  in test_bus()
313 		       "%s: SDA unexpected low while pulling SCL high!\n",  in test_bus()
658 	 * We tried forcing SCL/SDA to an initial state here. But that caused a  in __i2c_bit_add_bus()
666 	/* Complain if SCL can't be read */  in __i2c_bit_add_bus()
668 		dev_warn(&adap->dev, "Not I2C compliant: can't read SCL\n");  in __i2c_bit_add_bus()