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misc/pca9552: Fix LED status register indexing in pca955x_get_led() 

There was a bit of a thinko in the state calculation where every odd pin
in was reported in e.g. "pwm0" mode rather than "off". This was the
result of an incorrect bit shift for the 2-bit field representing each
LED state.

Fixes: a90d8f8467 ("misc/pca9552: Add qom set and get")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210723043624.348158-1-andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Andrew Jeffery 2021-09-20 08:50:59 +02:00 committed by Cédric Le Goater
parent 98edb134c3
commit 0c33a48df4
1 changed files with 1 additions and 1 deletions
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2
hw/misc/pca9552.c
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@ -272,7 +272,7 @@ static void pca955x_get_led(Object *obj, Visitor *v, const char *name,
* reading the INPUTx reg
*/
reg = PCA9552_LS0 + led / 4;
state = (pca955x_read(s, reg) >> (led % 8)) & 0x3;
state = (pca955x_read(s, reg) >> ((led % 4) * 2)) & 0x3;
visit_type_str(v, name, (char **)&led_state[state], errp);
}