disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/drivers/media/dvb-frontends/cx24120.c
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@@ -305,7 +305,7 @@
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 	kfree(state);
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 	return NULL;
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 }
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-EXPORT_SYMBOL(cx24120_attach);
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+EXPORT_SYMBOL_GPL(cx24120_attach);
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 static int cx24120_test_rom(struct cx24120_state *state)
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 {
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@@ -972,7 +972,9 @@
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 	cmd.arg[8] = (clock_ratios_table[idx].rate >> 8) & 0xff;
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 	cmd.arg[9] = (clock_ratios_table[idx].rate >> 0) & 0xff;
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-	cx24120_message_send(state, &cmd);
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+	ret = cx24120_message_send(state, &cmd);
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+	if (ret != 0)
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+		return;
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 	/* Calculate ber window rates for stat work */
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 	cx24120_calculate_ber_window(state, clock_ratios_table[idx].rate);