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Message-ID: <lsq.1454975631.874887638@decadent.org.uk>
Date: Mon, 08 Feb 2016 23:53:51 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "Takashi Iwai" <tiwai@...e.de>,
"Andy Shevchenko" <andriy.shevchenko@...ux.intel.com>,
"Ondrej Zary" <linux@...nbow-software.org>
Subject: [PATCH 3.2 19/87] ALSA: fm801: propagate TUNER_ONLY bit when
autodetected
3.2.77-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
commit dbec6719ac036f68568d8488805d41346c021eff upstream.
The commit d7ba858a7f7a (ALSA: fm801: implement TEA575x tuner autodetection)
brings autodetection to the driver. However the autodetection algorithm misses
the TUNER_ONLY bit if it is supplied by the user.
Thus, user gets weird messages and no card registered.
snd_fm801 0000:0d:01.0: detected TEA575x radio type SF64-PCR
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
...
snd_fm801 0000:0d:01.0: AC'97 0 does not respond - RESET
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 interface is busy (1)
snd_fm801 0000:0d:01.0: AC'97 0 access is not valid [0x0], removing mixer.
snd_fm801: probe of 0000:0d:01.0 failed with error -5
Do a copy of TUNER_ONLY bit to be applied after autodetection is done.
Fixes: d7ba858a7f7a (ALSA: fm801: implement TEA575x tuner autodetection)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Ondrej Zary <linux@...nbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
sound/pci/fm801.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -1244,6 +1244,8 @@ static int __devinit snd_fm801_create(st
return -ENODEV;
}
} else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) {
+ unsigned int tuner_only = tea575x_tuner & TUNER_ONLY;
+
/* autodetect tuner connection */
for (tea575x_tuner = 1; tea575x_tuner <= 3; tea575x_tuner++) {
chip->tea575x_tuner = tea575x_tuner;
@@ -1257,6 +1259,8 @@ static int __devinit snd_fm801_create(st
snd_printk(KERN_ERR "TEA575x radio not found\n");
chip->tea575x_tuner = TUNER_DISABLED;
}
+
+ chip->tea575x_tuner |= tuner_only;
}
if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
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